Overview

overview

8

Static

static

3

81c3ba4d8e...18.exe

windows7-x64

8

81c3ba4d8e...18.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    128s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 20:59

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General

  • Target

    81c3ba4d8e5242327c5695453fb197cf_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    81c3ba4d8e5242327c5695453fb197cf

  • SHA1

    843ea522569733ebb57539f7e63c2c8d24deae4c

  • SHA256

    652c519839d52bcf943a8e75c486a1ac546be4ebfdcc5f75996aca92bd38ec98

  • SHA512

    60776cb134e6b7f32fe757ec4ced6709fcc1d10b4a50d881f9c2450e9dcbb173e8d533ce7241d34dc83e98b1adf09cce4ec2568806e1f90892703a12e7434d24

  • SSDEEP

    768:pjl2DPZbVTk3bqtaElJgs9DJ6IStG3x7RZb1UmfScp8Wt08DX0inGrkM5:Fl2DxpMbqQsZnStG3dRt6fSDjlM5

Score
8/10
discoveryevasionexecutionpersistencetrojan

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Program Files directory 42 IoCs
  • Drops file in Windows directory 3 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c3ba4d8e5242327c5695453fb197cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c3ba4d8e5242327c5695453fb197cf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:712
    • C:\Program Files\MW3GDYBQF.exe
      "C:\Program Files\MW3GDYBQF.exe" C:\Users\Admin\AppData\Local\Temp\81c3ba4d8e5242327c5695453fb197cf_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 472
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2964
    • C:\Program Files\MW3GDYBQF.exe
      "C:\Program Files\MW3GDYBQF.exe" rb
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2944
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Program Files\HA2M6ICPR.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\sc.exe
        sc.exe create U3LBAXG5ZBinPath= "C:\Program Files\QNOU2QVLP774\GRJEC.exe -start" type= own type= interact start= auto DisplayName= NES9H62ZJJK
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2928
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s shimgvw.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2272
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s itss.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2852
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s scrrun.dll
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2696
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s vbscript.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2888
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s jscript.dll
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2840
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2720
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2728
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2976
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2672
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v DisableScriptDebuggerIE /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2684
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Disable Script Debugger" /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2692
      • C:\Windows\SysWOW64\reg.exe
        reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7zG.exe.com
    Filesize

    41KB

    MD5

    81c3ba4d8e5242327c5695453fb197cf

    SHA1

    843ea522569733ebb57539f7e63c2c8d24deae4c

    SHA256

    652c519839d52bcf943a8e75c486a1ac546be4ebfdcc5f75996aca92bd38ec98

    SHA512

    60776cb134e6b7f32fe757ec4ced6709fcc1d10b4a50d881f9c2450e9dcbb173e8d533ce7241d34dc83e98b1adf09cce4ec2568806e1f90892703a12e7434d24

    Download Submit

  • C:\Program Files\HA2M6ICPR.bat
    Filesize

    1KB

    MD5

    2b7eb6643fde78c08e40121bc7330fab

    SHA1

    c13542cea7d669b9ac4adc87bffe1ef64ad54891

    SHA256

    25f22ab625bfb1f2ff665fb26170cb6d20b561f6500eebf293bb0b6d4537d2b0

    SHA512

    bc06436ed410dde349d5e0b0579543bc5818077be4696cb3b29ef64a9b2005e7dac709457825ccf8e5f097a26bccdca358efc2cdb68d6cf4ef53897385596964

    Download Submit

  • \Program Files\MW3GDYBQF.exe
    Filesize

    28KB

    MD5

    16b931eb346d9ddd833cf9fb6f6fe829

    SHA1

    564d9d92ada66930d759645ed60c331bf6a20216

    SHA256

    dd8ef34c2a7048f2970da5ec121c13c491eb86e0c149e1b57f65fd84e488de40

    SHA512

    040afe83fd90d79b44cb9c535e993610d2de034e4c807443f7d77e0fd1ec950e8326b93338c868c1ef4f357d6835aff82064470c7b687b03c8895f3cdac91ae1

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  • memory/712-1-0x0000000000400000-0x000000000042174F-memory.dmp

    Filesize

    133KB

    Download

  • memory/712-2-0x0000000000411000-0x0000000000412000-memory.dmp

    Filesize

    4KB

    Download

  • memory/712-3-0x0000000000400000-0x000000000042174F-memory.dmp

    Filesize

    133KB

    Download

  • memory/712-0-0x0000000000400000-0x000000000042174F-memory.dmp

    Filesize

    133KB

    Download

  • memory/712-76-0x0000000000400000-0x000000000042174F-memory.dmp

    Filesize

    133KB

    Download