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Windows Analysis Report OFFER-8768777765554-PDF.exe

Overview

General Information

Sample Name:OFFER-8768777765554-PDF.exe
Analysis ID:435174
MD5:dd34ccb897fa3b88af6d3da17b713b3a
SHA1:01f5eebafc304ec00e25c2c52751cc24d05dd8c9
SHA256:709cc1b84208f4dd7f541a50772c7888f704561866eccd4b1aee0e1ba6e3ac74
Infos:

Most interesting Screenshot:

Detection

GuLoader
Score:84
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected GuLoader
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
Tries to detect virtualization through RDTSC time measurements
Abnormal high CPU Usage
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to call native functions
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Creates a DirectInput object (often for capturing keystrokes)
Detected potential crypto function
Found large amount of non-executed APIs
PE file contains strange resources
Program does not show much activity (idle)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

Process Tree

  • System is w10x64
  • OFFER-8768777765554-PDF.exe (PID: 5804 cmdline: 'C:\Users\user\Desktop\OFFER-8768777765554-PDF.exe' MD5: DD34CCB897FA3B88AF6D3DA17B713B3A)
  • cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://onedrive.live.com/download?cid=51D628A65732BF05&resid=51D628A65732BF05%21161&authkey=ABg4zwujoOrC4rM, https://onedrive.live.com/download?cid=CC6C941704A208C4&resid=CC6C941704"}

Yara Overview

Initial Sample

SourceRuleDescriptionAuthorStrings
OFFER-8768777765554-PDF.exeJoeSecurity_GuLoader_1Yara detected GuLoaderJoe Security

    Sigma Overview

    No Sigma rule has matched

    Signature Overview

    Click to jump to signature section

    Show All Signature Results

    AV Detection:

    barindex
    Found malware configurationShow sources
    Source: OFFER-8768777765554-PDF.exeMalware Configuration Extractor: GuLoader {"Payload URL": "https://onedrive.live.com/download?cid=51D628A65732BF05&resid=51D628A65732BF05%21161&authkey=ABg4zwujoOrC4rM, https://onedrive.live.com/download?cid=CC6C941704A208C4&resid=CC6C941704"}
    Multi AV Scanner detection for submitted fileShow sources
    Source: OFFER-8768777765554-PDF.exeVirustotal: Detection: 13%Perma Link
    Source: OFFER-8768777765554-PDF.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

    Networking:

    barindex
    C2 URLs / IPs found in malware configurationShow sources
    Source: Malware configuration extractorURLs: https://onedrive.live.com/download?cid=51D628A65732BF05&resid=51D628A65732BF05%21161&authkey=ABg4zwujoOrC4rM, https://onedrive.live.com/download?cid=CC6C941704A208C4&resid=CC6C941704
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577399025.00000000006AA000.00000004.00000020.sdmpBinary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess Stats: CPU usage > 98%
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5A9F NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E574E NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5B47 NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5BB0 NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5B93 NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_0040DCBE
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5A9F
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3E2B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8233
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E761E
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E1212
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E0E6B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E96A1
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3E87
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8A98
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E06C4
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E12D5
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3F3D
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E230E
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2F1B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E574E
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E374B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E5B47
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2751
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2F8B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3783
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3F95
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2BC4
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E1BC1
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E283B
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E0000
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E587C
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E1043
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2C56
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E4055
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8C53
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E40AD
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E10AB
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2CA3
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E4CBC
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E6089
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8C91
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E10CD
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E292F
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E0D25
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E4523
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E211D
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E0D6D
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E1167
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2564
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2944
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E11A7
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E05BE
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E4D89
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E11E3
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3DE3
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E29FF
    Source: OFFER-8768777765554-PDF.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000000.194465860.0000000000417000.00000002.00020000.sdmpBinary or memory string: OriginalFilenameStemmeskred7.exe vs OFFER-8768777765554-PDF.exe
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577492034.00000000021C0000.00000004.00000001.sdmpBinary or memory string: OriginalFilenameStemmeskred7.exeFE2Xe vs OFFER-8768777765554-PDF.exe
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577518185.00000000022D0000.00000002.00000001.sdmpBinary or memory string: OriginalFilenameuser32j% vs OFFER-8768777765554-PDF.exe
    Source: OFFER-8768777765554-PDF.exeBinary or memory string: OriginalFilenameStemmeskred7.exe vs OFFER-8768777765554-PDF.exe
    Source: OFFER-8768777765554-PDF.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
    Source: classification engineClassification label: mal84.troj.evad.winEXE@1/0@0/0
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeFile created: C:\Users\user\AppData\Local\Temp\~DF5C597FFB7E664D03.TMPJump to behavior
    Source: OFFER-8768777765554-PDF.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeSection loaded: C:\Windows\SysWOW64\msvbvm60.dll
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
    Source: OFFER-8768777765554-PDF.exeVirustotal: Detection: 13%

    Data Obfuscation:

    barindex
    Yara detected GuLoaderShow sources
    Source: Yara matchFile source: OFFER-8768777765554-PDF.exe, type: SAMPLE
    Source: Yara matchFile source: 0.0.OFFER-8768777765554-PDF.exe.400000.0.unpack, type: UNPACKEDPE
    Source: Yara matchFile source: 0.2.OFFER-8768777765554-PDF.exe.400000.0.unpack, type: UNPACKEDPE
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_0040506F pushfd ; retf
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00408090 push BAD2BC25h; retf
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00404D00 push ds; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00405535 push cs; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00408D99 push cs; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00404206 push ebp; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00407E0B push ds; retf
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00404A19 push edx; iretd
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_00405619 push es; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8D5B push eax; ret
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess information set: NOOPENFILEERRORBOX

    Malware Analysis System Evasion:

    barindex
    Contains functionality to detect hardware virtualization (CPUID execution measurement)Show sources
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8A98
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8C53
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E6089
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8C91
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E05BE
    Detected RDTSC dummy instruction sequence (likely for instruction hammering)Show sources
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeRDTSC instruction interceptor: First address: 00000000022E012B second address: 00000000022E012B instructions:
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeRDTSC instruction interceptor: First address: 00000000022E0392 second address: 00000000022E0392 instructions:
    Tries to detect virtualization through RDTSC time measurementsShow sources
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeRDTSC instruction interceptor: First address: 00000000022E012B second address: 00000000022E012B instructions:
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeRDTSC instruction interceptor: First address: 00000000022E0392 second address: 00000000022E0392 instructions:
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeRDTSC instruction interceptor: First address: 00000000022E548D second address: 00000000022E548D instructions: 0x00000000 rdtsc 0x00000002 mov eax, 8513714Ah 0x00000007 sub eax, BC31FDEAh 0x0000000c sub eax, D99E02B9h 0x00000011 add eax, 10BC8F5Ah 0x00000016 cpuid 0x00000018 popad 0x00000019 jmp 00007FF5107330C6h 0x0000001b cmp ax, 0000AF66h 0x0000001f call 00007FF5107330D7h 0x00000024 lfence 0x00000027 mov edx, 0ACECDC1h 0x0000002c xor edx, 9CCC939Eh 0x00000032 add edx, 5020915Ah 0x00000038 xor edx, 99DCEFADh 0x0000003e mov edx, dword ptr [edx] 0x00000040 lfence 0x00000043 ret 0x00000044 sub edx, esi 0x00000046 ret 0x00000047 pop ecx 0x00000048 jmp 00007FF5107330C2h 0x0000004a cmp edx, ecx 0x0000004c add edi, edx 0x0000004e test dl, cl 0x00000050 dec ecx 0x00000051 cmp ecx, 00000000h 0x00000054 jne 00007FF51073307Dh 0x00000056 mov dword ptr [ebp+00000200h], esi 0x0000005c mov esi, ecx 0x0000005e push esi 0x0000005f mov esi, dword ptr [ebp+00000200h] 0x00000065 cmp ch, bh 0x00000067 call 00007FF5107330F6h 0x0000006c call 00007FF510733112h 0x00000071 lfence 0x00000074 mov edx, 0ACECDC1h 0x00000079 xor edx, 9CCC939Eh 0x0000007f add edx, 5020915Ah 0x00000085 xor edx, 99DCEFADh 0x0000008b mov edx, dword ptr [edx] 0x0000008d lfence 0x00000090 ret 0x00000091 mov esi, edx 0x00000093 pushad 0x00000094 rdtsc
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3E2B rdtsc
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeAPI coverage: 8.5 %
    Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected

    Anti Debugging:

    barindex
    Found potential dummy code loops (likely to delay analysis)Show sources
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeProcess Stats: CPU usage > 90% for more than 60s
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3E2B rdtsc
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E8A98 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E536F mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E374B mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E3783 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E2BC4 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E7C09 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E811C mov eax, dword ptr fs:[00000030h]
    Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577434686.0000000000D70000.00000002.00000001.sdmpBinary or memory string: Program Manager
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577434686.0000000000D70000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577434686.0000000000D70000.00000002.00000001.sdmpBinary or memory string: Progman
    Source: OFFER-8768777765554-PDF.exe, 00000000.00000002.577434686.0000000000D70000.00000002.00000001.sdmpBinary or memory string: Progmanlock
    Source: C:\Users\user\Desktop\OFFER-8768777765554-PDF.exeCode function: 0_2_022E1453 cpuid

    Mitre Att&ck Matrix

    Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
    Valid AccountsWindows Management InstrumentationPath InterceptionProcess Injection1Virtualization/Sandbox Evasion11Input Capture1Security Software Discovery41Remote ServicesInput Capture1Exfiltration Over Other Network MediumEncrypted Channel1Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
    Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsProcess Injection1LSASS MemoryVirtualization/Sandbox Evasion11Remote Desktop ProtocolArchive Collected Data1Exfiltration Over BluetoothApplication Layer Protocol1Exploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
    Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)Obfuscated Files or Information1Security Account ManagerProcess Discovery1SMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
    Local AccountsAt (Windows)Logon Script (Mac)Logon Script (Mac)Binary PaddingNTDSSystem Information Discovery311Distributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier Billing Fraud

    Behavior Graph

    Screenshots

    Thumbnails

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

    windows-stand

    Antivirus, Machine Learning and Genetic Malware Detection

    Initial Sample

    SourceDetectionScannerLabelLink
    OFFER-8768777765554-PDF.exe13%VirustotalBrowse

    Dropped Files

    No Antivirus matches

    Unpacked PE Files

    No Antivirus matches

    Domains

    No Antivirus matches

    URLs

    No Antivirus matches

    Domains and IPs

    Contacted Domains

    No contacted domains info

    Contacted URLs

    NameMaliciousAntivirus DetectionReputation
    https://onedrive.live.com/download?cid=51D628A65732BF05&resid=51D628A65732BF05%21161&authkey=ABg4zwujoOrC4rM, https://onedrive.live.com/download?cid=CC6C941704A208C4&resid=CC6C941704false
      high

      Contacted IPs

      No contacted IP infos

      General Information

      Joe Sandbox Version:32.0.0 Black Diamond
      Analysis ID:435174
      Start date:16.06.2021
      Start time:05:32:24
      Joe Sandbox Product:CloudBasic
      Overall analysis duration:0h 5m 32s
      Hypervisor based Inspection enabled:false
      Report type:light
      Sample file name:OFFER-8768777765554-PDF.exe
      Cookbook file name:default.jbs
      Analysis system description:Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
      Number of analysed new started processes analysed:36
      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:mal84.troj.evad.winEXE@1/0@0/0
      EGA Information:
      • Successful, ratio: 100%
      HDC Information:
      • Successful, ratio: 52.5% (good quality ratio 31.2%)
      • Quality average: 37.6%
      • Quality standard deviation: 35.6%
      HCA Information:Failed
      Cookbook Comments:
      • Adjust boot time
      • Enable AMSI
      • Found application associated with file extension: .exe
      • Override analysis time to 240s for sample files taking high CPU consumption
      Warnings:
      Show All
      • Max analysis timeout: 220s exceeded, the analysis took too long
      • Exclude process from analysis (whitelisted): taskhostw.exe, MpCmdRun.exe, RuntimeBroker.exe, backgroundTaskHost.exe, UsoClient.exe, audiodg.exe, BackgroundTransferHost.exe, WMIADAP.exe, SgrmBroker.exe, conhost.exe, svchost.exe, wuapihost.exe
      • Not all processes where analyzed, report is missing behavior information

      Simulations

      Behavior and APIs

      No simulations

      Joe Sandbox View / Context

      IPs

      No context

      Domains

      No context

      ASN

      No context

      JA3 Fingerprints

      No context

      Dropped Files

      No context

      Created / dropped Files

      No created / dropped files found

      Static File Info

      General

      File type:PE32 executable (GUI) Intel 80386, for MS Windows
      Entropy (8bit):5.8993604994375675
      TrID:
      • Win32 Executable (generic) a (10002005/4) 99.15%
      • Win32 Executable Microsoft Visual Basic 6 (82127/2) 0.81%
      • Generic Win/DOS Executable (2004/3) 0.02%
      • DOS Executable Generic (2002/1) 0.02%
      • Autodesk FLIC Image File (extensions: flc, fli, cel) (7/3) 0.00%
      File name:OFFER-8768777765554-PDF.exe
      File size:94208
      MD5:dd34ccb897fa3b88af6d3da17b713b3a
      SHA1:01f5eebafc304ec00e25c2c52751cc24d05dd8c9
      SHA256:709cc1b84208f4dd7f541a50772c7888f704561866eccd4b1aee0e1ba6e3ac74
      SHA512:a27103e8c475bfe2edbbc1d6de7b9526fc2eca1b0ac2f029c784088fc635892d3fe5c402fe8c55971face6309bd17b8f326c1b384a940803fd4ea1eede4b9f29
      SSDEEP:1536:0VktxQ6lleR1nwjoWlc7hyCTyStNCEXHa3y2C/u5W3EUanOYA2nJ29GLwb7zN9gm:0OXQqlG1w0WqwCTySPNu5W3EUanOYA2a
      File Content Preview:MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........c.S............&........ .......$......Rich....................PE..L....:.H.................@...0......D........P....@........

      File Icon

      Icon Hash:11c0c48486cc08c4

      Static PE Info

      General

      Entrypoint:0x401644
      Entrypoint Section:.text
      Digitally signed:false
      Imagebase:0x400000
      Subsystem:windows gui
      Image File Characteristics:LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      DLL Characteristics:
      Time Stamp:0x48913AA8 [Thu Jul 31 04:08:08 2008 UTC]
      TLS Callbacks:
      CLR (.Net) Version:
      OS Version Major:4
      OS Version Minor:0
      File Version Major:4
      File Version Minor:0
      Subsystem Version Major:4
      Subsystem Version Minor:0
      Import Hash:d5d16d1b76210dd28c8586fe9bac3119

      Entrypoint Preview

      Instruction
      push 00402794h
      call 00007FF510CDF283h
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      xor byte ptr [eax], al
      add byte ptr [eax], al
      inc eax
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add dh, bl
      je 00007FF510CDF27Dh
      cwde
      rol byte ptr [ecx+19h], 00000043h
      wait
      call far 0FA0h : FF9A47FDh
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add dword ptr [eax], eax
      add byte ptr [eax], al
      pop ss
      add eax, dword ptr [edi+00h]
      add byte ptr [eax], al
      outsd
      jo 00007FF510CDF304h
      imul esp, dword ptr [ebx+esi*2+6Eh], 65676E69h
      jc 00007FF510CDF292h
      pop es
      inc ecx
      add byte ptr [eax], al
      add byte ptr [eax], al
      add bh, bh
      int3
      xor dword ptr [eax], eax
      add dh, bl
      scasb
      adc al, 00h
      jo 00007FF510CDF2F3h
      cmpsd
      dec edi
      xchg eax, edi
      cli
      sbb dword ptr [edi+58h], 97C001B7h
      mov ch, 3Fh
      std
      out dx, eax
      xchg eax, edx
      and al, byte ptr [eax+esi*4+53h]
      inc ebx
      mov byte ptr [3A942196h], al
      dec edi
      lodsd
      xor ebx, dword ptr [ecx-48EE309Ah]
      or al, 00h
      stosb
      add byte ptr [eax-2Dh], ah
      xchg eax, ebx
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      pop esi
      or al, byte ptr [eax]
      add byte ptr [ecx+0Ah], bl
      add byte ptr [eax], al
      add byte ptr [edx], cl
      add byte ptr [edx+4Fh], dl
      push ebx
      inc ecx
      dec ebp
      push ebp
      dec esi
      inc esp
      inc ecx
      push ebx
      add byte ptr [73000F01h], cl
      je 00007FF510CDF30Bh
      jc 00007FF510CDF2F7h

      Data Directories

      NameVirtual AddressVirtual Size Is in Section
      IMAGE_DIRECTORY_ENTRY_EXPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_IMPORT0x13b940x28.text
      IMAGE_DIRECTORY_ENTRY_RESOURCE0x170000xd86.rsrc
      IMAGE_DIRECTORY_ENTRY_EXCEPTION0x00x0
      IMAGE_DIRECTORY_ENTRY_SECURITY0x00x0
      IMAGE_DIRECTORY_ENTRY_BASERELOC0x00x0
      IMAGE_DIRECTORY_ENTRY_DEBUG0x00x0
      IMAGE_DIRECTORY_ENTRY_COPYRIGHT0x00x0
      IMAGE_DIRECTORY_ENTRY_GLOBALPTR0x00x0
      IMAGE_DIRECTORY_ENTRY_TLS0x00x0
      IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG0x00x0
      IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT0x2300x20
      IMAGE_DIRECTORY_ENTRY_IAT0x10000x190.text
      IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR0x00x0
      IMAGE_DIRECTORY_ENTRY_RESERVED0x00x0

      Sections

      NameVirtual AddressVirtual SizeRaw SizeXored PEZLIB ComplexityFile TypeEntropyCharacteristics
      .text0x10000x131c80x14000False0.495971679688data6.27184152045IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      .data0x150000x1b840x1000False0.00634765625data0.0IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
      .rsrc0x170000xd860x1000False0.346435546875data3.582300179IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

      Resources

      NameRVASizeTypeLanguageCountry
      RT_ICON0x17c5e0x128GLS_BINARY_LSB_FIRST
      RT_ICON0x173b60x8a8dBase IV DBT of @.DBF, block length 1024, next free block index 40, next free block 16776176, next used block 10526884
      RT_GROUP_ICON0x173940x22data
      RT_VERSION0x171200x274dataEnglishUnited States

      Imports

      DLLImport
      MSVBVM60.DLL_CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaLineInputStr, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaOnError, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaErase, __vbaChkstk, __vbaFileClose, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, __vbaVarTstEq, __vbaAryConstruct2, __vbaI2I4, DllFunctionCall, _adj_fpatan, __vbaRedim, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, __vbaStrToUnicode, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaStrVarVal, _CIlog, __vbaErrorOverflow, __vbaFileOpen, __vbaNew2, __vbaR8Str, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaInStrB, __vbaLateMemCall, __vbaVarDup, __vbaStrToAnsi, __vbaFpI4, __vbaVarLateMemCallLd, _CIatan, __vbaStrMove, _allmul, __vbaLateIdSt, _CItan, __vbaFPInt, _CIexp, __vbaFreeObj, __vbaFreeStr

      Version Infos

      DescriptionData
      Translation0x0409 0x04b0
      InternalNameStemmeskred7
      FileVersion1.00
      CompanyNameViolet Solution
      CommentsViolet Solution
      ProductNameopridsninger
      ProductVersion1.00
      OriginalFilenameStemmeskred7.exe

      Possible Origin

      Language of compilation systemCountry where language is spokenMap
      EnglishUnited States

      Network Behavior

      No network behavior found

      Code Manipulations

      Statistics

      System Behavior

      General

      Start time:05:33:09
      Start date:16/06/2021
      Path:C:\Users\user\Desktop\OFFER-8768777765554-PDF.exe
      Wow64 process (32bit):true
      Commandline:'C:\Users\user\Desktop\OFFER-8768777765554-PDF.exe'
      Imagebase:0x400000
      File size:94208 bytes
      MD5 hash:DD34CCB897FA3B88AF6D3DA17B713B3A
      Has elevated privileges:true
      Has administrator privileges:true
      Programmed in:Visual Basic
      Reputation:low

      Disassembly

      Code Analysis

      Reset < >