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Analysis Report 27MESSAGE.PIF

Overview

General Information

Joe Sandbox Version:26.0.0 Aquamarine
Analysis ID:167249
Start date:25.08.2019
Start time:17:35:03
Joe Sandbox Product:CloudBasic
Overall analysis duration:0h 5m 2s
Hypervisor based Inspection enabled:false
Report type:full
Sample file name:27MESSAGE.PIF (renamed file extension from PIF to 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:13
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 stop reason:Timeout
Detection:MAL
Classification:mal72.troj.evad.winEXE@3/8@0/7
EGA Information:
  • Successful, ratio: 100%
HDC Information:
  • Successful, ratio: 100% (good quality ratio 82.7%)
  • Quality average: 65.5%
  • Quality standard deviation: 36.3%
HCA Information:
  • Successful, ratio: 66%
  • Number of executed functions: 54
  • Number of non-executed functions: 66
Cookbook Comments:
  • Adjust boot time
  • Enable AMSI
Warnings:
Show All
  • Exclude process from analysis (whitelisted): MpCmdRun.exe, sc.exe, WerFault.exe, wermgr.exe, WMIADAP.exe, conhost.exe, CompatTelRunner.exe, svchost.exe
  • Report size getting too big, too many NtOpenFile calls found.

Detection

StrategyScoreRangeReportingWhitelistedDetection
Threshold720 - 100falsemalicious

Confidence

StrategyScoreRangeFurther Analysis Required?Confidence
Threshold50 - 5false
ConfidenceConfidence


Classification

Analysis Advice

Sample monitors window changes (e.g. starting applications), analyze the sample with the 'Simulates keyboard and window changes' cookbook
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 Control
Valid AccountsExecution through API1Winlogon Helper DLLProcess Injection1Masquerading12Credential DumpingSystem Time Discovery12Remote File Copy1Data from Local SystemData CompressedUncommonly Used Port1
Replication Through Removable MediaService ExecutionPort MonitorsAccessibility FeaturesSoftware Packing21Network SniffingProcess Discovery2Remote ServicesData from Removable MediaExfiltration Over Other Network MediumCommonly Used Port1
Drive-by CompromiseWindows Management InstrumentationAccessibility FeaturesPath InterceptionProcess Injection1Input CaptureApplication Window Discovery1Windows Remote ManagementData from Network Shared DriveAutomated ExfiltrationRemote File Copy1
Exploit Public-Facing ApplicationScheduled TaskSystem FirmwareDLL Search Order HijackingFile Deletion1Credentials in FilesSecurity Software Discovery5Logon ScriptsInput CaptureData EncryptedMultiband Communication
Spearphishing LinkCommand-Line InterfaceShortcut ModificationFile System Permissions WeaknessObfuscated Files or Information11Account ManipulationFile and Directory Discovery11Shared WebrootData StagedScheduled TransferStandard Cryptographic Protocol
Spearphishing AttachmentGraphical User InterfaceModify Existing ServiceNew ServiceDLL Side-Loading1Brute ForceSystem Information Discovery11Third-party SoftwareScreen CaptureData Transfer Size LimitsCommonly Used Port

Signature Overview

Click to jump to signature section


AV Detection:

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Antivirus or Machine Learning detection for dropped fileShow sources
Source: C:\Windows\lsass.exeAvira: Label: WORM/Mydoom.L.1
Source: C:\Windows\lsass.exeJoe Sandbox ML: detected
Antivirus or Machine Learning detection for sampleShow sources
Source: 27MESSAGE.exeAvira: Label: WORM/Mydoom.L.1
Source: 27MESSAGE.exeJoe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked fileShow sources
Source: 0.0.27MESSAGE.exe.800000.2.unpackAvira: Label: TR/Agent.Blkhl.dam
Source: 0.2.27MESSAGE.exe.800000.0.unpackAvira: Label: TR/Agent.Blkhl.dam
Source: 1.1.lsass.exe.800000.0.unpackAvira: Label: WORM/Mydoom.L
Source: 0.1.27MESSAGE.exe.800000.0.unpackAvira: Label: WORM/Mydoom.L
Source: 0.0.27MESSAGE.exe.800000.0.unpackAvira: Label: TR/Agent.Blkhl.dam
Source: 1.2.lsass.exe.800000.0.unpackAvira: Label: TR/Agent.Blkhl.dam
Source: 1.0.lsass.exe.800000.0.unpackAvira: Label: TR/Agent.Blkhl.dam
Source: 0.0.27MESSAGE.exe.800000.1.unpackAvira: Label: TR/Agent.Blkhl.dam

Spreading:

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Enumerates the file systemShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\ARM\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Setup\Jump to behavior
Contains functionality to enumerate / list files inside a directoryShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00804D32 lstrcat,Sleep,lstrcpy,lstrcpy,CharLowerA,strstr,strstr,strstr,strstr,strstr,lstrcpy,lstrlen,lstrcat,lstrcat,memset,FindFirstFileA,FindNextFileA,lstrcpy,lstrlen,lstrcat,lstrcat,Sleep,FindClose,0_2_00804D32
Source: C:\Windows\lsass.exeCode function: 1_2_00804D32 lstrcat,Sleep,lstrcpy,lstrcpy,CharLowerA,strstr,strstr,strstr,strstr,strstr,lstrcpy,lstrlen,lstrcat,lstrcat,memset,FindFirstFileA,FindNextFileA,lstrcpy,lstrlen,lstrcat,lstrcat,Sleep,FindClose,1_2_00804D32

Networking:

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Detected TCP or UDP traffic on non-standard portsShow sources
Source: global trafficTCP traffic: 192.168.2.5:49711 -> 167.197.123.68:1042
Source: global trafficTCP traffic: 192.168.2.5:49713 -> 4.26.163.38:1042
Source: global trafficTCP traffic: 192.168.2.5:49714 -> 15.228.172.90:1042
Source: global trafficTCP traffic: 192.168.2.5:49716 -> 15.244.194.173:1042
Source: global trafficTCP traffic: 192.168.2.5:49717 -> 148.194.197.224:1042
Connects to IPs without corresponding DNS lookupsShow sources
Source: unknownTCP traffic detected without corresponding DNS query: 167.197.123.68
Source: unknownTCP traffic detected without corresponding DNS query: 167.197.123.68
Source: unknownTCP traffic detected without corresponding DNS query: 167.197.123.68
Source: unknownTCP traffic detected without corresponding DNS query: 4.26.163.38
Source: unknownTCP traffic detected without corresponding DNS query: 4.26.163.38
Source: unknownTCP traffic detected without corresponding DNS query: 4.26.163.38
Source: unknownTCP traffic detected without corresponding DNS query: 15.228.172.90
Source: unknownTCP traffic detected without corresponding DNS query: 15.228.172.90
Source: unknownTCP traffic detected without corresponding DNS query: 15.228.172.90
Source: unknownTCP traffic detected without corresponding DNS query: 15.244.194.173
Source: unknownTCP traffic detected without corresponding DNS query: 15.244.194.173
Source: unknownTCP traffic detected without corresponding DNS query: 15.244.194.173
Source: unknownTCP traffic detected without corresponding DNS query: 148.194.197.224
Source: unknownTCP traffic detected without corresponding DNS query: 148.194.197.224
Source: unknownTCP traffic detected without corresponding DNS query: 148.194.197.224
IP address seen in connection with other malwareShow sources
Source: Joe Sandbox ViewIP Address: 167.197.123.68 167.197.123.68
Source: Joe Sandbox ViewIP Address: 148.194.197.224 148.194.197.224
Internet Provider seen in connection with other malwareShow sources
Source: Joe Sandbox ViewASN Name: GEORGIA-1-GeorgiaTechnologyAuthorityUS GEORGIA-1-GeorgiaTechnologyAuthorityUS
Source: Joe Sandbox ViewASN Name: LEVEL3-Level3ParentLLCUS LEVEL3-Level3ParentLLCUS
Contains functionality to download additional files from the internetShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00807983 Sleep,socket,connect,recv,htons,htons,htons,send,htons,recv,closesocket,0_2_00807983
Found strings which match to known social media urlsShow sources
Source: 27MESSAGE.exe, lsass.exeString found in binary or memory: hotmail equals www.hotmail.com (Hotmail)
Source: 27MESSAGE.exe, lsass.exeString found in binary or memory: yahoo.com equals www.yahoo.com (Yahoo)

System Summary:

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Creates files inside the system directoryShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile created: C:\Windows\lsass.exeJump to behavior
Creates mutexesShow sources
Source: C:\Windows\SysWOW64\WerFault.exeMutant created: \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess4880
Source: C:\Windows\lsass.exeMutant created: \Sessions\1\BaseNamedObjects\
Deletes files inside the Windows folderShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile deleted: C:\Windows\lsass.exeJump to behavior
One or more processes crashShow sources
Source: unknownProcess created: C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1160
PE file contains strange resourcesShow sources
Source: 27MESSAGE.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: lsass.exe.0.drStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Sample reads its own file contentShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile read: C:\Users\user\Desktop\27MESSAGE.exeJump to behavior
Tries to load missing DLLsShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeSection loaded: wow64log.dllJump to behavior
Source: C:\Windows\lsass.exeSection loaded: wow64log.dllJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeSection loaded: wow64log.dllJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeSection loaded: sfc.dllJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeSection loaded: phoneinfo.dllJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeSection loaded: ext-ms-win-xblauth-console-l1.dllJump to behavior
PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)Show sources
Source: 27MESSAGE.exeStatic PE information: Section: UPX1 ZLIB complexity 0.992410714286
Source: lsass.exe.0.drStatic PE information: Section: UPX1 ZLIB complexity 0.992410714286
Classification labelShow sources
Source: classification engineClassification label: mal72.troj.evad.winEXE@3/8@0/7
Creates temporary filesShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile created: C:\Users\user\AppData\Local\Temp\aggbmuuxgd.txtJump to behavior
Reads software policiesShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
Spawns processesShow sources
Source: unknownProcess created: C:\Users\user\Desktop\27MESSAGE.exe 'C:\Users\user\Desktop\27MESSAGE.exe'
Source: unknownProcess created: C:\Windows\lsass.exe 'C:\Windows\lsass.exe'
Source: unknownProcess created: C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1160

Data Obfuscation:

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Contains functionality to dynamically determine API callsShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00803108 GetModuleHandleA,LoadLibraryA,GetProcAddress,InternetGetConnectedState,0_2_00803108
Uses code obfuscation techniques (call, push, ret)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00807EE0 push eax; ret 0_2_00807F0E
Source: C:\Windows\lsass.exeCode function: 1_2_00807EE0 push eax; ret 1_2_00807F0E
Sample is packed with UPXShow sources
Source: initial sampleStatic PE information: section name: UPX0
Source: initial sampleStatic PE information: section name: UPX1
Source: initial sampleStatic PE information: section name: UPX0
Source: initial sampleStatic PE information: section name: UPX1

Persistence and Installation Behavior:

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Drops PE files with benign system namesShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile created: C:\Windows\lsass.exeJump to dropped file
Drops executables to the windows directory (C:\Windows) and starts themShow sources
Source: unknownExecutable created and started: C:\Windows\lsass.exe
Drops PE filesShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile created: C:\Windows\lsass.exeJump to dropped file
Drops PE files to the windows directory (C:\Windows)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile created: C:\Windows\lsass.exeJump to dropped file

Hooking and other Techniques for Hiding and Protection:

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Disables application error messsages (SetErrorMode)Show sources
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: FAILCRITICALERRORS | NOGPFAULTERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\SysWOW64\WerFault.exeProcess information set: NOOPENFILEERRORBOXJump to behavior

Malware Analysis System Evasion:

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Found evasive API chain (may stop execution after checking mutex)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeEvasive API call chain: CreateMutex,DecisionNodes,ExitProcessgraph_0-2064
Source: C:\Windows\lsass.exeEvasive API call chain: CreateMutex,DecisionNodes,ExitProcessgraph_1-2046
Source: C:\Windows\lsass.exeEvasive API call chain: CreateMutex,DecisionNodes,Sleepgraph_1-2046
Enumerates the file systemShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\ARM\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Jump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exeFile opened: C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Adobe\Setup\Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)Show sources
Source: C:\Windows\lsass.exeWindow / User API: threadDelayed 651Jump to behavior
Found decision node followed by non-executed suspicious APIsShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeDecision node followed by non-executed suspicious API: DecisionNode, Non Executed (send or recv or WinExec)graph_0-2590
Source: C:\Windows\lsass.exeDecision node followed by non-executed suspicious API: DecisionNode, Non Executed (send or recv or WinExec)graph_1-2860
May sleep (evasive loops) to hinder dynamic analysisShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exe TID: 2852Thread sleep time: -90000s >= -30000sJump to behavior
Source: C:\Users\user\Desktop\27MESSAGE.exe TID: 2852Thread sleep count: 59 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep count: 58 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep count: 44 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep count: 88 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep count: 137 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep count: 651 > 30Jump to behavior
Source: C:\Windows\lsass.exe TID: 208Thread sleep time: -48825s >= -30000sJump to behavior
Queries disk information (often used to detect virtual machines)Show sources
Source: C:\Windows\SysWOW64\WerFault.exeFile opened: PhysicalDrive0Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeLast function: Thread delayed
Source: C:\Windows\lsass.exeLast function: Thread delayed
Source: C:\Windows\lsass.exeLast function: Thread delayed
Uses the system / local time for branch decision (may execute only at specific dates)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00805247 GetSystemTime followed by cmp: cmp word ptr [ebp-10h], 07dch and CTI: jbe 00805288h0_2_00805247
Source: C:\Windows\lsass.exeCode function: 1_2_00805247 GetSystemTime followed by cmp: cmp word ptr [ebp-10h], 07dch and CTI: jbe 00805288h1_2_00805247
Contains functionality to enumerate / list files inside a directoryShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00804D32 lstrcat,Sleep,lstrcpy,lstrcpy,CharLowerA,strstr,strstr,strstr,strstr,strstr,lstrcpy,lstrlen,lstrcat,lstrcat,memset,FindFirstFileA,FindNextFileA,lstrcpy,lstrlen,lstrcat,lstrcat,Sleep,FindClose,0_2_00804D32
Source: C:\Windows\lsass.exeCode function: 1_2_00804D32 lstrcat,Sleep,lstrcpy,lstrcpy,CharLowerA,strstr,strstr,strstr,strstr,strstr,lstrcpy,lstrlen,lstrcat,lstrcat,memset,FindFirstFileA,FindNextFileA,lstrcpy,lstrlen,lstrcat,lstrcat,Sleep,FindClose,1_2_00804D32
Program exit pointsShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeAPI call chain: ExitProcess graph end nodegraph_0-2014
Source: C:\Windows\lsass.exeAPI call chain: ExitProcess graph end nodegraph_1-2031
Queries a list of all running processesShow sources
Source: C:\Windows\SysWOW64\WerFault.exeProcess information queried: ProcessInformationJump to behavior

Anti Debugging:

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Checks for debuggers (devices)Show sources
Source: C:\Windows\SysWOW64\WerFault.exeFile opened: C:\Windows\WinSxS\FileMaps\users_user_desktop_3f3714ea22baf985.cdf-ms
Checks for kernel debuggers (NtQuerySystemInformation(SystemKernelDebuggerInformation))Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeSystem information queried: KernelDebuggerInformationJump to behavior
Checks if the current process is being debuggedShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeProcess queried: DebugPortJump to behavior
Contains functionality to dynamically determine API callsShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00803108 GetModuleHandleA,LoadLibraryA,GetProcAddress,InternetGetConnectedState,0_2_00803108
Contains functionality which may be used to detect a debugger (GetProcessHeap)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_0080418A strlen,lstrcmpi,lstrlen,GetProcessHeap,RtlAllocateHeap,memset,GetTickCount,_mbscpy,0_2_0080418A
Enables debug privilegesShow sources
Source: C:\Windows\SysWOW64\WerFault.exeProcess token adjusted: DebugJump to behavior

HIPS / PFW / Operating System Protection Evasion:

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May try to detect the Windows Explorer process (often used for injection)Show sources
Source: 27MESSAGE.exe, 00000000.00000000.647058236.0000000000DA0000.00000002.00000001.sdmp, lsass.exe, 00000001.00000002.998703947.0000000001030000.00000002.00000001.sdmpBinary or memory string: Program Manager
Source: 27MESSAGE.exe, 00000000.00000000.647058236.0000000000DA0000.00000002.00000001.sdmp, lsass.exe, 00000001.00000002.998703947.0000000001030000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
Source: 27MESSAGE.exe, 00000000.00000000.647058236.0000000000DA0000.00000002.00000001.sdmp, lsass.exe, 00000001.00000002.998703947.0000000001030000.00000002.00000001.sdmpBinary or memory string: Progman
Source: 27MESSAGE.exe, 00000000.00000000.647058236.0000000000DA0000.00000002.00000001.sdmp, lsass.exe, 00000001.00000002.998703947.0000000001030000.00000002.00000001.sdmpBinary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Contains functionality to query local / system timeShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00802DB3 lstrlen,GetLocalTime,FileTimeToLocalFileTime,FileTimeToSystemTime,GetTimeZoneInformation,lstrcat,wsprintfA,0_2_00802DB3
Contains functionality to query time zone informationShow sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00802DB3 lstrlen,GetLocalTime,FileTimeToLocalFileTime,FileTimeToSystemTime,GetTimeZoneInformation,lstrcat,wsprintfA,0_2_00802DB3

Stealing of Sensitive Information:

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Contains functionality to search for IE or Outlook window (often done to steal information)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00802C72 FindWindowA,FindWindowA,FindWindowA,FindWindowA,RtlExitUserThread,0_2_00802C72
Source: C:\Windows\lsass.exeCode function: 1_2_00802C72 FindWindowA,FindWindowA,FindWindowA,FindWindowA,RtlExitUserThread,GetFileAttributesA,CreateThread,CreateThread,Sleep,CreateThread,Sleep,CreateThread,Sleep,1_2_00802C72

Remote Access Functionality:

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Contains functionality to open a port and listen for incoming connection (possibly a backdoor)Show sources
Source: C:\Users\user\Desktop\27MESSAGE.exeCode function: 0_2_00807D81 malloc,memset,htons,htons,socket,socket,bind,closesocket,Sleep,htons,socket,bind,listen,CreateThread,CreateThread,malloc,memset,accept,Sleep,??3@YAXPAX@Z,0_2_00807D81
Source: C:\Windows\lsass.exeCode function: 1_2_00807D81 malloc,memset,htons,htons,socket,socket,bind,closesocket,Sleep,htons,socket,bind,listen,CreateThread,CreateThread,malloc,memset,accept,Sleep,??3@YAXPAX@Z,1_2_00807D81

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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 167249 Sample: 27MESSAGE.PIF Startdate: 25/08/2019 Architecture: WINDOWS Score: 72 32 Antivirus or Machine Learning detection for sample 2->32 34 Detected TCP or UDP traffic on non-standard ports 2->34 36 Drops executables to the windows directory (C:\Windows) and starts them 2->36 6 27MESSAGE.exe 1 4 2->6         started        11 lsass.exe 192 2->11         started        process3 dnsIp4 22 167.197.123.68, 1042 GEORGIA-1-GeorgiaTechnologyAuthorityUS United States 6->22 24 10.128.1.130, 1042 unknown unknown 6->24 16 C:\Windows\lsass.exe, PE32 6->16 dropped 18 C:\Windows\lsass.exe:Zone.Identifier, ASCII 6->18 dropped 38 Found evasive API chain (may stop execution after checking mutex) 6->38 40 Drops PE files with benign system names 6->40 13 WerFault.exe 24 10 6->13         started        26 4.26.163.38, 1042 LEVEL3-Level3ParentLLCUS United States 11->26 28 15.228.172.90, 1042 HP-INTERNET-AS-Hewlett-PackardCompanyUS United States 11->28 30 3 other IPs or domains 11->30 42 Antivirus or Machine Learning detection for dropped file 11->42 file5 44 Detected TCP or UDP traffic on non-standard ports 28->44 signatures6 process7 file8 20 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 13->20 dropped

Simulations

Behavior and APIs

TimeTypeDescription
17:36:02API Interceptor3x Sleep call for process: 27MESSAGE.exe modified
17:36:04AutostartRun: HKLM\Software\Microsoft\Windows\CurrentVersion\Run Traybar C:\Windows\lsass.exe

Antivirus and Machine Learning Detection

Initial Sample

SourceDetectionScannerLabelLink
27MESSAGE.exe100%AviraWORM/Mydoom.L.1
27MESSAGE.exe100%Joe Sandbox ML

Dropped Files

SourceDetectionScannerLabelLink
C:\Windows\lsass.exe100%AviraWORM/Mydoom.L.1
C:\Windows\lsass.exe100%Joe Sandbox ML

Unpacked PE Files

SourceDetectionScannerLabelLinkDownload
0.0.27MESSAGE.exe.800000.2.unpack100%AviraTR/Agent.Blkhl.damDownload File
0.2.27MESSAGE.exe.800000.0.unpack100%AviraTR/Agent.Blkhl.damDownload File
1.1.lsass.exe.800000.0.unpack100%AviraWORM/Mydoom.LDownload File
0.1.27MESSAGE.exe.800000.0.unpack100%AviraWORM/Mydoom.LDownload File
0.0.27MESSAGE.exe.800000.0.unpack100%AviraTR/Agent.Blkhl.damDownload File
1.2.lsass.exe.800000.0.unpack100%AviraTR/Agent.Blkhl.damDownload File
1.0.lsass.exe.800000.0.unpack100%AviraTR/Agent.Blkhl.damDownload File
0.0.27MESSAGE.exe.800000.1.unpack100%AviraTR/Agent.Blkhl.damDownload File

Domains

No Antivirus matches

URLs

No Antivirus matches

Yara Overview

Initial Sample

No yara matches

PCAP (Network Traffic)

No yara matches

Dropped Files

No yara matches

Memory Dumps

No yara matches

Unpacked PEs

No yara matches

Joe Sandbox View / Context

IPs

MatchAssociated Sample Name / URLSHA 256DetectionLinkContext
167.197.123.68document.doc .scrGet hashmaliciousBrowse
    .exeGet hashmaliciousBrowse
      .exeGet hashmaliciousBrowse
        27d3HW8uFyvt.exeGet hashmaliciousBrowse
          49fil.exeGet hashmaliciousBrowse
            25text.exeGet hashmaliciousBrowse
              15messag.exeGet hashmaliciousBrowse
                21transcript.exeGet hashmaliciousBrowse
                  22messag.exeGet hashmaliciousBrowse
                    17sales@addingapp.exeGet hashmaliciousBrowse
                      .exeGet hashmaliciousBrowse
                        51document.exeGet hashmaliciousBrowse
                          29message.doc .exeGet hashmaliciousBrowse
                            10yusun.exeGet hashmaliciousBrowse
                              29lette.exeGet hashmaliciousBrowse
                                .exeGet hashmaliciousBrowse
                                  4.26.163.38 .exeGet hashmaliciousBrowse
                                    47DOCUMEN.exeGet hashmaliciousBrowse
                                      47youtube2.exeGet hashmaliciousBrowse
                                        148.194.197.22427hzjdiaodu@hiplik.exeGet hashmaliciousBrowse
                                          .exeGet hashmaliciousBrowse
                                            .exeGet hashmaliciousBrowse
                                              .exeGet hashmaliciousBrowse
                                                15message.htm .exeGet hashmaliciousBrowse
                                                  35mail.exeGet hashmaliciousBrowse
                                                    59Ty7sIOFhZP.exeGet hashmaliciousBrowse
                                                      5wzzhong@jihui.exeGet hashmaliciousBrowse
                                                        65487tVmv6Xo.exeGet hashmaliciousBrowse
                                                          59.doc .exeGet hashmaliciousBrowse
                                                            37text.doc .exeGet hashmaliciousBrowse
                                                              .exeGet hashmaliciousBrowse
                                                                49transcript.exeGet hashmaliciousBrowse
                                                                  .exeGet hashmaliciousBrowse

                                                                    Domains

                                                                    No context

                                                                    ASN

                                                                    MatchAssociated Sample Name / URLSHA 256DetectionLinkContext
                                                                    GEORGIA-1-GeorgiaTechnologyAuthorityUS11youtubeer@youtube.exeGet hashmaliciousBrowse
                                                                    • 167.194.220.115
                                                                    17mai.exeGet hashmaliciousBrowse
                                                                    • 167.193.151.218
                                                                    .exeGet hashmaliciousBrowse
                                                                    • 167.193.151.116
                                                                    1fil.exeGet hashmaliciousBrowse
                                                                    • 167.196.177.254
                                                                    1LETTE.exeGet hashmaliciousBrowse
                                                                    • 167.194.163.54
                                                                    13RdnTC5NBJm.exeGet hashmaliciousBrowse
                                                                    • 167.197.123.102
                                                                    23.htm .exeGet hashmaliciousBrowse
                                                                    • 167.194.172.203
                                                                    19sales@zd.exeGet hashmaliciousBrowse
                                                                    • 167.194.194.114
                                                                    48JeuvJXCBjg.exeGet hashmaliciousBrowse
                                                                    • 167.194.207.91
                                                                    19documen.exeGet hashmaliciousBrowse
                                                                    • 167.193.132.90
                                                                    9IlrohrTc9v.exeGet hashmaliciousBrowse
                                                                    • 167.196.180.30
                                                                    1james@jrsy.exeGet hashmaliciousBrowse
                                                                    • 167.194.129.175
                                                                    53message.exeGet hashmaliciousBrowse
                                                                    • 167.193.152.116
                                                                    63transcrip.exeGet hashmaliciousBrowse
                                                                    • 167.193.149.39
                                                                    53letter.exeGet hashmaliciousBrowse
                                                                    • 167.193.150.84
                                                                    25Qqyki.exeGet hashmaliciousBrowse
                                                                    • 167.194.149.124
                                                                    .exeGet hashmaliciousBrowse
                                                                    • 167.194.209.153
                                                                    17mai.exeGet hashmaliciousBrowse
                                                                    • 167.193.152.220
                                                                    7btang@jihu.exeGet hashmaliciousBrowse
                                                                    • 167.194.201.33
                                                                    11XJfo1SQAqh.exeGet hashmaliciousBrowse
                                                                    • 167.193.149.86
                                                                    LEVEL3-Level3ParentLLCUS27instructio.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.15
                                                                    47jihu.exeGet hashmaliciousBrowse
                                                                    • 4.225.160.35
                                                                    56MESSAG.exeGet hashmaliciousBrowse
                                                                    • 4.46.196.224
                                                                    22DOCUMEN.exeGet hashmaliciousBrowse
                                                                    • 4.5.26.252
                                                                    25lette.exeGet hashmaliciousBrowse
                                                                    • 4.18.43.3
                                                                    69tex.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.157
                                                                    8Lette.exeGet hashmaliciousBrowse
                                                                    • 4.240.75.245
                                                                    43PYZqk80spk.exeGet hashmaliciousBrowse
                                                                    • 4.240.75.29
                                                                    26yylmzs.exeGet hashmaliciousBrowse
                                                                    • 4.240.75.119
                                                                    .exeGet hashmaliciousBrowse
                                                                    • 4.242.186.186
                                                                    67file.exeGet hashmaliciousBrowse
                                                                    • 4.240.75.111
                                                                    5vWsDZUEb0B.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.178
                                                                    51messag.exeGet hashmaliciousBrowse
                                                                    • 4.240.75.56
                                                                    18transcript.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.49
                                                                    67.doc .exeGet hashmaliciousBrowse
                                                                    • 4.12.170.221
                                                                    47documen.exeGet hashmaliciousBrowse
                                                                    • 4.17.227.201
                                                                    3lette.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.155
                                                                    23documen.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.46
                                                                    64attachmen.exeGet hashmaliciousBrowse
                                                                    • 4.240.78.44
                                                                    21mai.exeGet hashmaliciousBrowse
                                                                    • 4.16.242.69

                                                                    JA3 Fingerprints

                                                                    No context

                                                                    Dropped Files

                                                                    No context

                                                                    Screenshots

                                                                    Thumbnails

                                                                    This section contains all screenshots as thumbnails, including those not shown in the slideshow.