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Analysis Report Health-ebook.exe

Overview

General Information

Joe Sandbox Version:28.0.0 Lapis Lazuli
Analysis ID:229820
Start date:13.05.2020
Start time:12:49:59
Joe Sandbox Product:CloudBasic
Overall analysis duration:0h 6m 19s
Hypervisor based Inspection enabled:false
Report type:full
Sample file name:Health-ebook.exe
Cookbook file name:default.jbs
Analysis system description:Windows 10 64 bit (version 1803) with Office 2016, Adobe Reader DC 19, Chrome 70, Firefox 63, Java 8.171, Flash 30.0.0.113
Number of analysed new started processes analysed:7
Number of new started drivers analysed:0
Number of existing processes analysed:0
Number of existing drivers analysed:0
Number of injected processes analysed:0
Technologies:
  • HCA enabled
  • EGA enabled
  • HDC enabled
  • AMSI enabled
Analysis Mode:default
Analysis stop reason:Timeout
Detection:MAL
Classification:mal100.phis.troj.spyw.evad.winEXE@9/2@0/0
EGA Information:
  • Successful, ratio: 75%
HDC Information:
  • Successful, ratio: 97.1% (good quality ratio 94.3%)
  • Quality average: 85.8%
  • Quality standard deviation: 23%
HCA Information:
  • Successful, ratio: 57%
  • Number of executed functions: 183
  • Number of non-executed functions: 300
Cookbook Comments:
  • Adjust boot time
  • Enable AMSI
  • Found application associated with file extension: .exe
Warnings:
Show All
  • Exclude process from analysis (whitelisted): dllhost.exe, WMIADAP.exe
  • Report size getting too big, too many NtAllocateVirtualMemory calls found.
  • Report size getting too big, too many NtProtectVirtualMemory calls found.

Detection

StrategyScoreRangeReportingWhitelistedThreatDetection
Threshold1000 - 100false
HawkEye
malicious

Confidence

StrategyScoreRangeFurther Analysis Required?Confidence
Threshold50 - 5false
ConfidenceConfidence


Classification Spiderchart

Analysis Advice

Sample tries to load a library which is not present or installed on the analysis machine, adding the library might reveal more behavior



Mitre Att&ck Matrix

Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
Valid AccountsWindows Management Instrumentation111Application Shimming1Process Injection212Software Packing1Credential Dumping1System Time Discovery1Application Deployment SoftwareData from Local System1Data Encrypted11Standard Cryptographic Protocol1Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
Replication Through Removable MediaExecution through API11Port MonitorsApplication Shimming1Disabling Security Tools1Credentials in Files1Account Discovery1Remote ServicesEmail Collection1Exfiltration Over Other Network MediumRemote Access Tools1Exploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
External Remote ServicesExecution through Module Load1Accessibility FeaturesPath InterceptionDeobfuscate/Decode Files or Information11Credentials in Registry2Security Software Discovery23Windows Remote ManagementClipboard Data1Automated ExfiltrationCustom Cryptographic ProtocolExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
Drive-by CompromiseScheduled TaskSystem FirmwareDLL Search Order HijackingObfuscated Files or Information2Credentials in FilesFile and Directory Discovery2Logon ScriptsInput CaptureData EncryptedMultiband CommunicationSIM Card SwapPremium SMS Toll Fraud
Exploit Public-Facing ApplicationCommand-Line InterfaceShortcut ModificationFile System Permissions WeaknessVirtualization/Sandbox Evasion12Account ManipulationSystem Information Discovery9Shared WebrootData StagedScheduled TransferStandard Cryptographic ProtocolManipulate Device CommunicationManipulate App Store Rankings or Ratings
Spearphishing LinkGraphical User InterfaceModify Existing ServiceNew ServiceProcess Injection212Brute ForceVirtualization/Sandbox Evasion12Third-party SoftwareScreen CaptureData Transfer Size LimitsCommonly Used PortJamming or Denial of ServiceAbuse Accessibility Features
Spearphishing AttachmentScriptingPath InterceptionScheduled TaskDLL Side-Loading1Two-Factor Authentication InterceptionProcess Discovery4Pass the HashEmail CollectionExfiltration Over Command and Control ChannelUncommonly Used PortRogue Wi-Fi Access PointsData Encrypted for Impact
Spearphishing via ServiceThird-party SoftwareLogon ScriptsProcess InjectionIndicator BlockingBash HistorySystem Owner/User Discovery1Remote Desktop ProtocolClipboard DataExfiltration Over Alternative ProtocolStandard Application Layer ProtocolDowngrade to Insecure ProtocolsGenerate Fraudulent Advertising Revenue

Signature Overview

Click to jump to signature section


AV Detection:

barindex
Antivirus detection for URL or domainShow sources
Source: https://a.pomf.cat/URL Reputation: Label: malware
Antivirus detection for sampleShow sources
Source: Health-ebook.exeAvira: detection malicious, Label: TR/BAS.Samca.oiycd
Found malware configurationShow sources
Source: vbc.exe.3064.5.memstrMalware Configuration Extractor: HawkEye {"Modules": ["WebBrowserPassView"], "Version": ""}
Multi AV Scanner detection for domain / URLShow sources
Source: https://a.pomf.cat/Virustotal: Detection: 7%Perma Link
Source: http://pomf.cat/upload.phpVirustotal: Detection: 11%Perma Link
Multi AV Scanner detection for submitted fileShow sources
Source: Health-ebook.exeVirustotal: Detection: 73%Perma Link
Source: Health-ebook.exeReversingLabs: Detection: 86%
Antivirus or Machine Learning detection for unpacked fileShow sources
Source: 4.2.RegAsm.exe.400000.0.unpackAvira: Label: TR/Dropper.Gen

Spreading:

barindex
Contains functionality to enumerate / list files inside a directoryShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040A1A7 FindFirstFileW,FindNextFileW,5_2_0040A1A7
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_0040702D FindFirstFileA,FindNextFileA,strlen,strlen,6_2_0040702D

Networking:

barindex
Found strings which match to known social media urlsShow sources
Source: vbc.exe, 00000005.00000003.862554502.0000000000A79000.00000004.00000001.sdmpString found in binary or memory: ://192.168.2.1/all/install/schedule.txthttps://www.microsoft.com/en-us/welcomeie11/welcomeie11https://www.microsoft.com/en-us/welcomeie11/res://C:\Windows\system32\mmcndmgr.dll/views.htmhttp://www.msn.com/?ocid=iehphttp://www.msn.com/http://www.msn.com/de-ch/?ocid=iehphttp://www.msn.com/de-ch/http://go.microsoft.com/fwlink/?LinkId=838604http://go.microsoft.com/fwlink/http://go.microsoft.com/fwlink/p/?LinkId=255141http://go.microsoft.com/fwlink/p/https://go.microsoft.com/fwlink/?LinkId=838604https://go.microsoft.com/fwlink/https://go.microsoft.com/fwlink/p/?LinkId=255141https://go.microsoft.com/fwlink/p/https://go.microsoft.com/fwlink/?LinkId=517287https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.facebook.com (Facebook)
Source: vbc.exe, 00000005.00000003.862554502.0000000000A79000.00000004.00000001.sdmpString found in binary or memory: ://192.168.2.1/all/install/schedule.txthttps://www.microsoft.com/en-us/welcomeie11/welcomeie11https://www.microsoft.com/en-us/welcomeie11/res://C:\Windows\system32\mmcndmgr.dll/views.htmhttp://www.msn.com/?ocid=iehphttp://www.msn.com/http://www.msn.com/de-ch/?ocid=iehphttp://www.msn.com/de-ch/http://go.microsoft.com/fwlink/?LinkId=838604http://go.microsoft.com/fwlink/http://go.microsoft.com/fwlink/p/?LinkId=255141http://go.microsoft.com/fwlink/p/https://go.microsoft.com/fwlink/?LinkId=838604https://go.microsoft.com/fwlink/https://go.microsoft.com/fwlink/p/?LinkId=255141https://go.microsoft.com/fwlink/p/https://go.microsoft.com/fwlink/?LinkId=517287https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.yahoo.com (Yahoo)
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exe, 00000005.00000002.862914458.0000000000400000.00000040.00000001.sdmpString found in binary or memory: @dllhost.exetaskhost.exetaskhostex.exebhvContainersContainerIdNameHistoryContainer_%I64dAccessCountCreationTimeExpiryTimeAccessedTimeModifiedTimeUrlEntryIDvisited:Microsoft\Windows\WebCache\WebCacheV01.datMicrosoft\Windows\WebCache\WebCacheV24.dat0123456789ABCDEFURL index.datSoftware\Microsoft\Internet Explorer\IntelliForms\Storage2https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.facebook.com (Facebook)
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exe, 00000005.00000002.862914458.0000000000400000.00000040.00000001.sdmpString found in binary or memory: @dllhost.exetaskhost.exetaskhostex.exebhvContainersContainerIdNameHistoryContainer_%I64dAccessCountCreationTimeExpiryTimeAccessedTimeModifiedTimeUrlEntryIDvisited:Microsoft\Windows\WebCache\WebCacheV01.datMicrosoft\Windows\WebCache\WebCacheV24.dat0123456789ABCDEFURL index.datSoftware\Microsoft\Internet Explorer\IntelliForms\Storage2https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.yahoo.com (Yahoo)
Source: vbc.exe, 00000005.00000002.863805489.0000000000A7A000.00000004.00000001.sdmpString found in binary or memory: accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.facebook.com (Facebook)
Source: vbc.exe, 00000005.00000002.863805489.0000000000A7A000.00000004.00000001.sdmpString found in binary or memory: accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login equals www.yahoo.com (Yahoo)
Source: vbc.exeString found in binary or memory: http://www.facebook.com/ equals www.facebook.com (Facebook)
Urls found in memory or binary dataShow sources
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpString found in binary or memory: http://bot.whatismyipaddress.com/
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpString found in binary or memory: http://pomf.cat/upload.php
Source: RegAsm.exe, 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmpString found in binary or memory: http://pomf.cat/upload.php&https://a.pomf.cat/
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpString found in binary or memory: http://pomf.cat/upload.phpCContent-Disposition:
Source: vbc.exe, 00000005.00000002.862828663.0000000000192000.00000004.00000010.sdmpString found in binary or memory: http://www.nirsoft.net
Source: vbc.exe, vbc.exe, 00000006.00000002.1070842077.0000000000400000.00000040.00000001.sdmpString found in binary or memory: http://www.nirsoft.net/
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpString found in binary or memory: https://a.pomf.cat/
Source: vbc.exeString found in binary or memory: https://login.yahoo.com/config/login
Source: vbc.exeString found in binary or memory: https://www.google.com/accounts/servicelogin

Key, Mouse, Clipboard, Microphone and Screen Capturing:

barindex
Yara detected HawkEye KeyloggerShow sources
Source: Yara matchFile source: 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORY
Source: Yara matchFile source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Contains functionality for read data from the clipboardShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040FDCB OpenClipboard,GetLastError,DeleteFileW,5_2_0040FDCB

System Summary:

barindex
Malicious sample detected (through community Yara rule)Show sources
Source: 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmp, type: MEMORYMatched rule: Detects HawkEye Keylogger Reborn Author: Florian Roth
Source: 00000006.00000002.1070842077.0000000000400000.00000040.00000001.sdmp, type: MEMORYMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORYMatched rule: Detects HawkEye Keylogger Reborn Author: Florian Roth
Source: 00000004.00000002.1191076758.0000000002B90000.00000004.00000001.sdmp, type: MEMORYMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORYMatched rule: Detects HawkEye Keylogger Reborn Author: Florian Roth
Source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: Detects HawkEye Keylogger Reborn Author: Florian Roth
Source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: HawkEye v9 Payload Author: ditekshen
Source: 6.2.vbc.exe.400000.0.raw.unpack, type: UNPACKEDPEMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Source: 6.2.vbc.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Source: 4.2.RegAsm.exe.2b90000.1.unpack, type: UNPACKEDPEMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Source: 4.2.RegAsm.exe.2b90000.1.raw.unpack, type: UNPACKEDPEMatched rule: Detects BabyShark KimJongRAT Author: Florian Roth
Binary is likely a compiled AutoIt script fileShow sources
Source: Health-ebook.exe, 00000000.00000000.764294093.00000000001BF000.00000002.00020000.sdmpString found in binary or memory: This is a third-party compiled AutoIt script.
Source: Health-ebook.exe, 00000000.00000000.764294093.00000000001BF000.00000002.00020000.sdmpString found in binary or memory: SDSOFTWARE\Classes\\CLSID\\\IPC$This is a third-party compiled AutoIt script."runasError allocating memory.SeAssignPrimaryTokenPrivilegeSeIncreaseQuotaPrivilegeSeBackupPrivilegeSeRestorePrivilegewinsta0defaultwinsta0\defaultComboBoxListBox|SHELLDLL_DefViewlargeiconsdetailssmalliconslistCLASSCLASSNNREGEXPCLASSIDNAMEXYWHINSTANCETEXT%s%u%s%dLAST[LASTACTIVE[ACTIVEHANDLE=[HANDLE:REGEXP=[REGEXPTITLE:CLASSNAME=[CLASS:ALL[ALL]HANDLEREGEXPTITLETITLEThumbnailClassAutoIt3GUIContainer
Source: Health-ebook.exeString found in binary or memory: This is a third-party compiled AutoIt script.
Source: Health-ebook.exeString found in binary or memory: SDSOFTWARE\Classes\\CLSID\\\IPC$This is a third-party compiled AutoIt script."runasError allocating memory.SeAssignPrimaryTokenPrivilegeSeIncreaseQuotaPrivilegeSeBackupPrivilegeSeRestorePrivilegewinsta0defaultwinsta0\defaultComboBoxListBox|SHELLDLL_DefViewlargeiconsdetailssmalliconslistCLASSCLASSNNREGEXPCLASSIDNAMEXYWHINSTANCETEXT%s%u%s%dLAST[LASTACTIVE[ACTIVEHANDLE=[HANDLE:REGEXP=[REGEXPTITLE:CLASSNAME=[CLASS:ALL[ALL]HANDLEREGEXPTITLETITLEThumbnailClassAutoIt3GUIContainer
Contains functionality to call native functionsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051FAC9F NtUnmapViewOfSection,NtUnmapViewOfSection,4_2_051FAC9F
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040A5A9 memset,CreateFileW,NtQuerySystemInformation,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,NtQueryObject,FindCloseChangeNotification,_wcsicmp,FindCloseChangeNotification,5_2_0040A5A9
Detected potential crypto functionShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F8B504_2_051F8B50
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F39684_2_051F3968
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F79B84_2_051F79B8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F4FE04_2_051F4FE0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051FA1E04_2_051FA1E0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F1C584_2_051F1C58
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F7E504_2_051F7E50
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F0C914_2_051F0C91
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F74C04_2_051F74C0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F7F324_2_051F7F32
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F8B404_2_051F8B40
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F25784_2_051F2578
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F25694_2_051F2569
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F3B684_2_051F3B68
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F69804_2_051F6980
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F2FB84_2_051F2FB8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F53B84_2_051F53B8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F3FD84_2_051F3FD8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F2FC84_2_051F2FC8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F53C84_2_051F53C8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F3FC84_2_051F3FC8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F79C84_2_051F79C8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F43C04_2_051F43C0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F1BE14_2_051F1BE1
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F7E004_2_051F7E00
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F08284_2_051F0828
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F60B04_2_051F60B0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F74B04_2_051F74B0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F60A04_2_051F60A0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F38D04_2_051F38D0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F38F14_2_051F38F1
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004360CE5_2_004360CE
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040509C5_2_0040509C
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004051995_2_00405199
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0043C2D05_2_0043C2D0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004404065_2_00440406
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040451D5_2_0040451D
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004045FF5_2_004045FF
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040458E5_2_0040458E
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004046905_2_00404690
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00414A515_2_00414A51
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00404C085_2_00404C08
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00406C8E5_2_00406C8E
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00415DF35_2_00415DF3
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00416E5C5_2_00416E5C
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00410FE45_2_00410FE4
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00404DE56_2_00404DE5
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00404E566_2_00404E56
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00404EC76_2_00404EC7
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00404F586_2_00404F58
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_0040BF6B6_2_0040BF6B
Found potential string decryption / allocating functionsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 00445190 appears 36 times
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 00416849 appears 66 times
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 0040924D appears 31 times
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 00412084 appears 39 times
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 004166E8 appears 34 times
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: String function: 00416A91 appears 88 times
PE file contains strange resourcesShow sources
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Health-ebook.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Tries to load missing DLLsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection loaded: sfc.dllJump to behavior
Yara signature matchShow sources
Source: 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmp, type: MEMORYMatched rule: MAL_HawkEye_Keylogger_Gen_Dec18 date = 2018-12-10, hash1 = b8693e015660d7bd791356b352789b43bf932793457d54beae351cf7a3de4dad, author = Florian Roth, description = Detects HawkEye Keylogger Reborn, reference = https://twitter.com/James_inthe_box/status/1072116224652324870, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: 00000006.00000002.1070842077.0000000000400000.00000040.00000001.sdmp, type: MEMORYMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
Source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORYMatched rule: MAL_HawkEye_Keylogger_Gen_Dec18 date = 2018-12-10, hash1 = b8693e015660d7bd791356b352789b43bf932793457d54beae351cf7a3de4dad, author = Florian Roth, description = Detects HawkEye Keylogger Reborn, reference = https://twitter.com/James_inthe_box/status/1072116224652324870, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: 00000004.00000002.1191076758.0000000002B90000.00000004.00000001.sdmp, type: MEMORYMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
Source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORYMatched rule: MAL_HawkEye_Keylogger_Gen_Dec18 date = 2018-12-10, hash1 = b8693e015660d7bd791356b352789b43bf932793457d54beae351cf7a3de4dad, author = Florian Roth, description = Detects HawkEye Keylogger Reborn, reference = https://twitter.com/James_inthe_box/status/1072116224652324870, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: MAL_HawkEye_Keylogger_Gen_Dec18 date = 2018-12-10, hash1 = b8693e015660d7bd791356b352789b43bf932793457d54beae351cf7a3de4dad, author = Florian Roth, description = Detects HawkEye Keylogger Reborn, reference = https://twitter.com/James_inthe_box/status/1072116224652324870, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: HawkEyev9 author = ditekshen, description = HawkEye v9 Payload, cape_type = HawkEyev9 Payload
Source: 6.2.vbc.exe.400000.0.raw.unpack, type: UNPACKEDPEMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
Source: 6.2.vbc.exe.400000.0.unpack, type: UNPACKEDPEMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
Source: 4.2.RegAsm.exe.2b90000.1.unpack, type: UNPACKEDPEMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
Source: 4.2.RegAsm.exe.2b90000.1.raw.unpack, type: UNPACKEDPEMatched rule: APT_NK_BabyShark_KimJoingRAT_Apr19_1 date = 2019-04-27, hash1 = d50a0980da6297b8e4cec5db0a8773635cee74ac6f5c1ff18197dfba549f6712, author = Florian Roth, description = Detects BabyShark KimJongRAT, reference = https://unit42.paloaltonetworks.com/babyshark-malware-part-two-attacks-continue-using-kimjongrat-and-pcrat/
.NET source code contains calls to encryption/decryption functionsShow sources
Source: 4.2.RegAsm.exe.400000.0.unpack, u200d????????????????????????????????????????.csCryptographic APIs: 'TransformFinalBlock'
Source: 4.2.RegAsm.exe.400000.0.unpack, u200d????????????????????????????????????????.csCryptographic APIs: 'TransformFinalBlock'
Source: 4.2.RegAsm.exe.400000.0.unpack, u200d????????????????????????????????????????.csCryptographic APIs: 'CreateDecryptor'
Source: 4.2.RegAsm.exe.400000.0.unpack, u200c???????????????????????????????????????.csCryptographic APIs: 'TransformFinalBlock'
.NET source code contains many API calls related to securityShow sources
Source: 4.2.RegAsm.exe.400000.0.unpack, u206a????????????????????????????????????????.csSecurity API names: System.Void System.IO.DirectoryInfo::SetAccessControl(System.Security.AccessControl.DirectorySecurity)
Source: 4.2.RegAsm.exe.400000.0.unpack, u206f????????????????????????????????????????.csSecurity API names: System.Void Microsoft.Win32.RegistryKey::SetAccessControl(System.Security.AccessControl.RegistrySecurity)
Source: 4.2.RegAsm.exe.400000.0.unpack, u206f????????????????????????????????????????.csSecurity API names: System.Security.Principal.IdentityReference System.Security.Principal.SecurityIdentifier::Translate(System.Type)
Source: 4.2.RegAsm.exe.400000.0.unpack, u206f????????????????????????????????????????.csSecurity API names: System.Void System.Security.AccessControl.RegistrySecurity::AddAccessRule(System.Security.AccessControl.RegistryAccessRule)
Source: 4.2.RegAsm.exe.400000.0.unpack, u202d????????????????????????????????????????.csSecurity API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 4.2.RegAsm.exe.400000.0.unpack, u202d????????????????????????????????????????.csSecurity API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Classification labelShow sources
Source: classification engineClassification label: mal100.phis.troj.spyw.evad.winEXE@9/2@0/0
Contains functionality for error loggingShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004183B8 GetLastError,FormatMessageW,FormatMessageA,LocalFree,free,5_2_004183B8
Contains functionality to check free disk spaceShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00418842 GetDiskFreeSpaceW,GetDiskFreeSpaceA,free,5_2_00418842
Contains functionality to enum processes or threadsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00413C19 CreateToolhelp32Snapshot,memset,Process32FirstW,OpenProcess,memset,GetModuleHandleW,GetProcAddress,FindCloseChangeNotification,free,Process32NextW,FindCloseChangeNotification,5_2_00413C19
Contains functionality to load and extract PE file embedded resourcesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004149B0 FindResourceW,SizeofResource,LoadResource,LockResource,5_2_004149B0
Creates mutexesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeMutant created: \Sessions\1\BaseNamedObjects\a8acc89d-76be-460f-8f23-50eee3634e0b
Creates temporary filesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeFile created: C:\Users\user\AppData\Local\Temp\934e4ff9-fbe5-7ce6-f528-84382f207dbcJump to behavior
PE file has an executable .text section and no other executable sectionShow sources
Source: Health-ebook.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Parts of this applications are using the .NET runtime (Probably coded in C#)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\497ab1dd171eeef956401f1aeb0b9fec\mscorlib.ni.dllJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlpJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlpJump to behavior
Queries a list of all open handlesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeSystem information queried: HandleInformationJump to behavior
Queries process information (via WMI, Win32_Process)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeWMI Queries: IWbemServices::ExecQuery - root\CIMV2 : SELECT ProcessorId FROM Win32_Processor
Reads ini filesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.iniJump to behavior
Reads software policiesShow sources
Source: C:\Users\user\Desktop\Health-ebook.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
SQL strings found in memory and binary dataShow sources
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: SELECT 'INSERT INTO vacuum_db.' || quote(name) || ' SELECT * FROM main.' || quote(name) || ';' FROM vacuum_db.sqlite_master WHERE name=='sqlite_sequence';
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: INSERT INTO %Q.%s VALUES('index',%Q,%Q,#%d,%Q);
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exe, 00000005.00000002.862914458.0000000000400000.00000040.00000001.sdmpBinary or memory string: UPDATE %Q.%s SET sql = CASE WHEN type = 'trigger' THEN sqlite_rename_trigger(sql, %Q)ELSE sqlite_rename_table(sql, %Q) END, tbl_name = %Q, name = CASE WHEN type='table' THEN %Q WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN 'sqlite_autoindex_' || %Q || substr(name,%d+18) ELSE name END WHERE tbl_name=%Q AND (type='table' OR type='index' OR type='trigger');
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: SELECT 'INSERT INTO vacuum_db.' || quote(name) || ' SELECT * FROM main.' || quote(name) || ';'FROM main.sqlite_master WHERE type = 'table' AND name!='sqlite_sequence' AND rootpage>0
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: UPDATE "%w".%s SET sql = sqlite_rename_parent(sql, %Q, %Q) WHERE %s;
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: UPDATE sqlite_temp_master SET sql = sqlite_rename_trigger(sql, %Q), tbl_name = %Q WHERE %s;
Source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exeBinary or memory string: SELECT 'DELETE FROM vacuum_db.' || quote(name) || ';' FROM vacuum_db.sqlite_master WHERE name='sqlite_sequence'
Sample is known by AntivirusShow sources
Source: Health-ebook.exeVirustotal: Detection: 73%
Source: Health-ebook.exeReversingLabs: Detection: 86%
Spawns processesShow sources
Source: unknownProcess created: C:\Users\user\Desktop\Health-ebook.exe 'C:\Users\user\Desktop\Health-ebook.exe'
Source: unknownProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe
Source: unknownProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe
Source: unknownProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp'
Source: unknownProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp5FED.tmp'
Source: C:\Users\user\Desktop\Health-ebook.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exeJump to behavior
Source: C:\Users\user\Desktop\Health-ebook.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exeJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp'Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp5FED.tmp'Jump to behavior
Uses an in-process (OLE) Automation serverShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeKey value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF4CC405-E2C5-4DDD-B3CE-5E7582D8C9FA}\InprocServer32Jump to behavior
Uses Microsoft SilverlightShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeFile opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dllJump to behavior
Checks if Microsoft Office is installedShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\OMI Account Manager\AccountsJump to behavior
Submission file is bigger than most known malware samplesShow sources
Source: Health-ebook.exeStatic file information: File size 2077696 > 1048576
Uses new MSVCR DllsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeFile opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dllJump to behavior
PE file has a big raw sectionShow sources
Source: Health-ebook.exeStatic PE information: Raw size of .rsrc is bigger than: 0x100000 < 0x130e00
PE file contains a mix of data directories often seen in goodwareShow sources
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT
PE file contains a debug data directoryShow sources
Source: Health-ebook.exeStatic PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Binary contains paths to debug symbolsShow sources
Source: Binary string: c:\Projects\VS2005\WebBrowserPassView\Command-Line\WebBrowserPassView.pdb source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exe
Source: Binary string: c:\Projects\VS2005\mailpv\Command-Line\mailpv.pdb source: RegAsm.exe, 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, vbc.exe
Source: Binary string: mscorrc.pdb source: RegAsm.exe, 00000004.00000002.1194700983.0000000008020000.00000002.00000001.sdmp
PE file contains a valid data directory to section mappingShow sources
Source: Health-ebook.exeStatic PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: Health-ebook.exeStatic PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: Health-ebook.exeStatic PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: Health-ebook.exeStatic PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: Health-ebook.exeStatic PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation:

barindex
Contains functionality to dynamically determine API callsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004449B3 LoadLibraryW,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,5_2_004449B3
Uses code obfuscation techniques (call, push, ret)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_0112912C push ecx; retf 4_2_01129131
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_0112497A push ecx; ret 4_2_01124985
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_0112D1B8 push eax; iretd 4_2_0112D1B9
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeCode function: 4_2_051F99E0 pushfd ; iretd 4_2_051F99E1
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00445190 push eax; ret 5_2_004451A4
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00445190 push eax; ret 5_2_004451CC
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00449EB4 push eax; ret 5_2_00449EC1
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00444F79 push ecx; ret 5_2_00444F89
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00412341 push ecx; ret 6_2_00412351
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00412360 push eax; ret 6_2_00412374
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_00412360 push eax; ret 6_2_0041239C

Hooking and other Techniques for Hiding and Protection:

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Extensive use of GetProcAddress (often used to hide API calls)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00403BC7 LoadLibraryW,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,5_2_00403BC7
Disables application error messsages (SetErrorMode)Show sources
Source: C:\Users\user\Desktop\Health-ebook.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Users\user\Desktop\Health-ebook.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information set: NOOPENFILEERRORBOXJump to behavior

Malware Analysis System Evasion:

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Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeWMI Queries: IWbemServices::ExecQuery - root\CIMV2 : SELECT MacAddress FROM Win32_NetworkAdapterConfiguration
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)Show sources
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: SBIEDLL.DLL
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: WIRESHARK.EXE
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040A5A9 memset,CreateFileW,NtQuerySystemInformation,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,NtQueryObject,FindCloseChangeNotification,_wcsicmp,FindCloseChangeNotification,5_2_0040A5A9
May sleep (evasive loops) to hinder dynamic analysisShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 4964Thread sleep count: 178 > 30Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 4964Thread sleep time: -178000s >= -30000sJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 5764Thread sleep count: 104 > 30Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 5764Thread sleep time: -104000s >= -30000sJump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeWMI Queries: IWbemServices::ExecQuery - root\CIMV2 : SELECT ProcessorId FROM Win32_Processor
Sample execution stops while process was sleeping (likely an evasion)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeLast function: Thread delayed
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeLast function: Thread delayed
Contains functionality to enumerate / list files inside a directoryShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040A1A7 FindFirstFileW,FindNextFileW,5_2_0040A1A7
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_0040702D FindFirstFileA,FindNextFileA,strlen,strlen,6_2_0040702D
Contains functionality to query system informationShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00418A6B memset,GetSystemInfo,5_2_00418A6B
Queries a list of all running processesShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeProcess information queried: ProcessInformationJump to behavior

Anti Debugging:

barindex
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_0040A5A9 memset,CreateFileW,NtQuerySystemInformation,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,NtQueryObject,FindCloseChangeNotification,_wcsicmp,FindCloseChangeNotification,5_2_0040A5A9
Contains functionality to dynamically determine API callsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_004449B3 LoadLibraryW,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,GetProcAddress,5_2_004449B3
Creates guard pages, often used to prevent reverse engineering and debuggingShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeMemory allocated: page read and write | page guardJump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
.NET source code references suspicious native API functionsShow sources
Source: 4.2.RegAsm.exe.400000.0.unpack, u202d????????????????????????????????????????.csReference to suspicious API methods: ('?????????????????????????????????????????', 'FindResource@kernel32.dll'), ('?????????????????????????????????????????', 'capGetDriverDescriptionA@avicap32.dll'), ('?????????????????????????????????????????', 'WriteProcessMemory@kernel32.dll'), ('?????????????????????????????????????????', 'LoadLibrary@kernel32.dll'), ('?????????????????????????????????????????', 'VirtualAllocEx@kernel32.dll'), ('?????????????????????????????????????????', 'ReadProcessMemory@kernel32.dll'), ('?????????????????????????????????????????', 'GetProcAddress@kernel32.dll')
Maps a DLL or memory area into another processShow sources
Source: C:\Users\user\Desktop\Health-ebook.exeSection loaded: unknown target: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe protection: execute and read and writeJump to behavior
Sample uses process hollowing techniqueShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection unmapped: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe base address: 400000Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeSection unmapped: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe base address: 400000Jump to behavior
Creates a process in suspended mode (likely to inject code)Show sources
Source: C:\Users\user\Desktop\Health-ebook.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exeJump to behavior
Source: C:\Users\user\Desktop\Health-ebook.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exeJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp'Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeProcess created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp5FED.tmp'Jump to behavior
May try to detect the Windows Explorer process (often used for injection)Show sources
Source: Health-ebook.exeBinary or memory string: Run Script:AutoIt script files (*.au3, *.a3x)*.au3;*.a3xAll files (*.*)*.*au3#include depth exceeded. Make sure there are no recursive includesError opening the file>>>AUTOIT SCRIPT<<<Bad directive syntax errorUnterminated stringCannot parse #includeUnterminated group of commentsONOFF0%d%dShell_TrayWndREMOVEKEYSEXISTSAPPENDblankinfoquestionstopwarning
Source: RegAsm.exe, 00000004.00000002.1190924164.0000000001680000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000004.00000002.1190924164.0000000001680000.00000002.00000001.sdmpBinary or memory string: Progman
Source: RegAsm.exe, 00000004.00000002.1190924164.0000000001680000.00000002.00000001.sdmpBinary or memory string: hProgram ManagerWE
Source: RegAsm.exe, 00000004.00000002.1190924164.0000000001680000.00000002.00000001.sdmpBinary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Contains functionality to query local / system timeShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00418906 GetSystemTime,memcpy,GetCurrentProcessId,memcpy,GetTickCount,memcpy,QueryPerformanceCounter,memcpy,5_2_00418906
Contains functionality to query the account / user nameShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 6_2_004073B6 memset,memset,memset,memset,GetComputerNameA,GetUserNameA,MultiByteToWideChar,MultiByteToWideChar,MultiByteToWideChar,strlen,strlen,memcpy,6_2_004073B6
Contains functionality to query windows versionShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: 5_2_00409218 GetVersionExW,5_2_00409218
Queries the cryptographic machine GUIDShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeKey value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuidJump to behavior

Lowering of HIPS / PFW / Operating System Security Settings:

barindex
AV process strings found (often used to terminate AV products)Show sources
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: bdagent.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: MSASCui.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avguard.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avgrsx.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avcenter.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avp.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: zlclient.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: wireshark.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avgcsrvx.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avgnt.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: hijackthis.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avgui.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: avgwdsvc.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: mbam.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: MsMpEng.exe
Source: RegAsm.exe, 00000004.00000002.1192748707.00000000030D0000.00000004.00000001.sdmpBinary or memory string: ComboFix.exe

Stealing of Sensitive Information:

barindex
Yara detected HawkEye KeyloggerShow sources
Source: Yara matchFile source: 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORY
Source: Yara matchFile source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Tries to harvest and steal browser information (history, passwords, etc)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login DataJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\6c4zjj0s.default\key4.dbJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\6c4zjj0s.default\places.sqliteJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Web DataJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeFile opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.iniJump to behavior
Tries to steal Instant Messenger accounts or passwordsShow sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Google\Google Talk\AccountsJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Microsoft\IdentityCRL\Dynamic SaltJump to behavior
Tries to steal Mail credentials (via file access)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\OMI Account Manager\AccountsJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\ProfilesJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\IncrediMail\IdentitiesJump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeKey opened: HKEY_CURRENT_USER\Software\Microsoft\Windows Live MailJump to behavior
Tries to steal Mail credentials (via file registry)Show sources
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: strcpy,strcpy,strcpy,strcpy,RegCloseKey, PopPassword6_2_00402D74
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: strcpy,strcpy,strcpy,strcpy,RegCloseKey, SMTPPassword6_2_00402D74
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeCode function: ESMTPPassword6_2_004033B1
Yara detected WebBrowserPassView password recovery toolShow sources
Source: Yara matchFile source: 00000005.00000002.862914458.0000000000400000.00000040.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000003.855342459.0000000004943000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1191076758.0000000002B90000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1193837078.0000000006C41000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: Process Memory Space: vbc.exe PID: 3064, type: MEMORY
Source: Yara matchFile source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORY
Source: Yara matchFile source: 5.2.vbc.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara matchFile source: 5.2.vbc.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara matchFile source: 4.2.RegAsm.exe.2b90000.1.unpack, type: UNPACKEDPE
Source: Yara matchFile source: 4.2.RegAsm.exe.2b90000.1.raw.unpack, type: UNPACKEDPE

Remote Access Functionality:

barindex
Detected HawkEye RatShow sources
Source: RegAsm.exe, 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmpString found in binary or memory: _Version_Mutex_Delivery_EmailUsername_EmailPassword_EmailServer_EmailPort_EmailSSL_FTPServer_FTPUsername_FTPPassword_FTPPort_FTPSFTP_ProxyURL_ProxySecret_PanelURL_PanelSecret_LogInterval_PasswordStealer_KeyStrokeLogger_ClipboardLogger_ScreenshotLogger_WebCamLogger_SystemInfo_Install_InstallLocation_InstallFolder_InstallFileName_InstallStartup_InstallStartupPersistance_HistoryCleaner_ZoneID_HideFile_MeltFile_Disablers_DisableTaskManager_DisableCommandPrompt_DisableRegEdit_ProcessProtection_ProcessElevation_AntiVirusKiller_BotKiller_AntiDebugger_ExecutionDelay_FakeMessageShow_FakeMessageTitle_FakeMessageText_FakeMessageIcon_WebsiteVisitor_WebsiteVisitorVisible_WebsiteVisitorSites_WebsiteBlocker_WebsiteBlockerSites_FileBinder_FileBinderFiles
Yara detected HawkEye KeyloggerShow sources
Source: Yara matchFile source: 00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: 00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara matchFile source: Process Memory Space: RegAsm.exe PID: 5724, type: MEMORY
Source: Yara matchFile source: 4.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE

Malware Configuration

Threatname: HawkEye

{"Modules": ["WebBrowserPassView"], "Version": ""}

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet

Simulations

Behavior and APIs

TimeTypeDescription
12:50:51API Interceptor1x Sleep call for process: RegAsm.exe modified

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
Health-ebook.exe74%VirustotalBrowse
Health-ebook.exe87%ReversingLabsWin32.Trojan.Injector
Health-ebook.exe100%AviraTR/BAS.Samca.oiycd

Dropped Files

No Antivirus matches

Unpacked PE Files

SourceDetectionScannerLabelLinkDownload
4.2.RegAsm.exe.400000.0.unpack100%AviraTR/Dropper.GenDownload File
0.0.Health-ebook.exe.130000.0.unpack100%AviraHEUR/AGEN.1047234Download File

Domains

No Antivirus matches

URLs

SourceDetectionScannerLabelLink
https://a.pomf.cat/8%VirustotalBrowse
https://a.pomf.cat/100%URL Reputationmalware
http://pomf.cat/upload.php&https://a.pomf.cat/0%Avira URL Cloudsafe
http://pomf.cat/upload.php11%VirustotalBrowse
http://pomf.cat/upload.php0%Avira URL Cloudsafe
http://pomf.cat/upload.phpCContent-Disposition:0%Avira URL Cloudsafe

Yara Overview

Initial Sample

No yara matches

PCAP (Network Traffic)

No yara matches

Dropped Files

No yara matches

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmpMAL_HawkEye_Keylogger_Gen_Dec18Detects HawkEye Keylogger RebornFlorian Roth
  • 0x80e68:$s2: _ScreenshotLogger
  • 0x80e35:$s3: _PasswordStealer
00000004.00000002.1189269106.0000000000402000.00000040.00000001.sdmpJoeSecurity_HawkEyeYara detected HawkEye KeyloggerJoe Security
    00000006.00000002.1070842077.0000000000400000.00000040.00000001.sdmpAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
    • 0x147b0:$a1: logins.json
    • 0x14710:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
    • 0x14f34:$s4: \mozsqlite3.dll
    • 0x137a4:$s5: SMTP Password
    00000005.00000002.862914458.0000000000400000.00000040.00000001.sdmpJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
      00000004.00000003.855342459.0000000004943000.00000004.00000001.sdmpJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
        00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmpMAL_HawkEye_Keylogger_Gen_Dec18Detects HawkEye Keylogger RebornFlorian Roth
        • 0x8e4b7:$s2: _ScreenshotLogger
        • 0x8e9f3:$s2: _ScreenshotLogger
        • 0x8e484:$s3: _PasswordStealer
        • 0x8e9c0:$s3: _PasswordStealer
        00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmpJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
          00000004.00000002.1192792193.00000000030E9000.00000004.00000001.sdmpJoeSecurity_HawkEyeYara detected HawkEye KeyloggerJoe Security
            00000004.00000002.1191076758.0000000002B90000.00000004.00000001.sdmpAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
            • 0x6b8fa:$a1: logins.json
            • 0x6b85a:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
            • 0x6c07e:$s4: \mozsqlite3.dll
            • 0x6a8ee:$s5: SMTP Password
            00000004.00000002.1191076758.0000000002B90000.00000004.00000001.sdmpJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
              00000004.00000002.1193837078.0000000006C41000.00000004.00000001.sdmpJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                Process Memory Space: vbc.exe PID: 3064JoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                  Process Memory Space: RegAsm.exe PID: 5724MAL_HawkEye_Keylogger_Gen_Dec18Detects HawkEye Keylogger RebornFlorian Roth
                  • 0x379a2:$s2: _ScreenshotLogger
                  • 0x40eb6:$s2: _ScreenshotLogger
                  • 0x414f7:$s2: _ScreenshotLogger
                  • 0x41d2e:$s2: _ScreenshotLogger
                  • 0x429bb:$s2: _ScreenshotLogger
                  • 0x3794b:$s3: _PasswordStealer
                  • 0x40e5f:$s3: _PasswordStealer
                  • 0x414a0:$s3: _PasswordStealer
                  • 0x41cd7:$s3: _PasswordStealer
                  • 0x42964:$s3: _PasswordStealer
                  Process Memory Space: RegAsm.exe PID: 5724JoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                    Process Memory Space: RegAsm.exe PID: 5724JoeSecurity_HawkEyeYara detected HawkEye KeyloggerJoe Security

                      Unpacked PEs

                      SourceRuleDescriptionAuthorStrings
                      4.2.RegAsm.exe.400000.0.unpackMAL_HawkEye_Keylogger_Gen_Dec18Detects HawkEye Keylogger RebornFlorian Roth
                      • 0x81068:$s2: _ScreenshotLogger
                      • 0x81035:$s3: _PasswordStealer
                      4.2.RegAsm.exe.400000.0.unpackJoeSecurity_HawkEyeYara detected HawkEye KeyloggerJoe Security
                        4.2.RegAsm.exe.400000.0.unpackHawkEyev9HawkEye v9 Payloadditekshen
                        • 0x81035:$str1: _PasswordStealer
                        • 0x81046:$str2: _KeyStrokeLogger
                        • 0x81068:$str3: _ScreenshotLogger
                        • 0x81057:$str4: _ClipboardLogger
                        • 0x8107a:$str5: _WebCamLogger
                        • 0x8118f:$str6: _AntiVirusKiller
                        • 0x8117d:$str7: _ProcessElevation
                        • 0x81144:$str8: _DisableCommandPrompt
                        • 0x8124a:$str9: _WebsiteBlocker
                        • 0x8125a:$str9: _WebsiteBlocker
                        • 0x81130:$str10: _DisableTaskManager
                        • 0x811ab:$str11: _AntiDebugger
                        • 0x81235:$str12: _WebsiteVisitorSites
                        • 0x8115a:$str13: _DisableRegEdit
                        • 0x811b9:$str14: _ExecutionDelay
                        • 0x810de:$str15: _InstallStartupPersistance
                        6.2.vbc.exe.400000.0.raw.unpackAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
                        • 0x147b0:$a1: logins.json
                        • 0x14710:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
                        • 0x14f34:$s4: \mozsqlite3.dll
                        • 0x137a4:$s5: SMTP Password
                        6.2.vbc.exe.400000.0.unpackAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
                        • 0x131b0:$a1: logins.json
                        • 0x13110:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
                        • 0x13934:$s4: \mozsqlite3.dll
                        • 0x121a4:$s5: SMTP Password
                        5.2.vbc.exe.400000.0.raw.unpackJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                          5.2.vbc.exe.400000.0.unpackJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                            4.2.RegAsm.exe.2b90000.1.unpackAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
                            • 0x69afa:$a1: logins.json
                            • 0x69a5a:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
                            • 0x6a27e:$s4: \mozsqlite3.dll
                            • 0x68aee:$s5: SMTP Password
                            4.2.RegAsm.exe.2b90000.1.unpackJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security
                              4.2.RegAsm.exe.2b90000.1.raw.unpackAPT_NK_BabyShark_KimJoingRAT_Apr19_1Detects BabyShark KimJongRATFlorian Roth
                              • 0x6b8fa:$a1: logins.json
                              • 0x6b85a:$s3: SELECT id, hostname, httpRealm, formSubmitURL, usernameField, passwordField, encryptedUsername, encryptedPassword FROM moz_login
                              • 0x6c07e:$s4: \mozsqlite3.dll
                              • 0x6a8ee:$s5: SMTP Password
                              4.2.RegAsm.exe.2b90000.1.raw.unpackJoeSecurity_WebBrowserPassViewYara detected WebBrowserPassView password recovery toolJoe Security

                                Sigma Overview


                                System Summary:

                                barindex
                                Sigma detected: Suspicious Process CreationShow sources
                                Source: Process startedAuthor: Florian Roth, Daniil Yugoslavskiy, oscd.community (update): Data: Command: 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp', CommandLine: 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp', CommandLine|base64offset|contains: ^, Image: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe, NewProcessName: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe, OriginalFileName: C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe, ParentCommandLine: C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe, ParentImage: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe, ParentProcessId: 5724, ProcessCommandLine: 'C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /stext 'C:\Users\user\AppData\Local\Temp\tmp6DBC.tmp', ProcessId: 3064

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