Analysis

  • max time kernel
    149s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 07:29

General

  • Target

    04accea6bcdca378398eecbf044ef36b_JaffaCakes118.exe

  • Size

    467KB

  • MD5

    04accea6bcdca378398eecbf044ef36b

  • SHA1

    e4d468bfd519ae2199c16b2d1a5fd65f80d8ef14

  • SHA256

    1d94f09fa8b39c1bfd25244a66c790a470efc4b3620181c91186e1982eb28631

  • SHA512

    0384736cccd80798988d1bb315477fec32c0bbfad22795bf488bb8b126f26f0616bfdc428372a0e894ec0de45bc3cf8e065b691db8990d32010c8eaf6d817555

  • SSDEEP

    12288:gLxNI8KjYJK+N5VS+9HTA8gbqk8PP/OsmeMVK9eWv/WLL:gVNYjYJK+d+mk6/OpsGP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04accea6bcdca378398eecbf044ef36b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04accea6bcdca378398eecbf044ef36b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe
      "\\.\C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Windows\SysWOW64\reg.exe
        "C:\Windows\System32\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v "Intel GPU" /d "F:\Program Files\Intel GPU\GfxUI.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:4280
    • C:\Users\Admin\AppData\Local\Temp\04accea6bcdca378398eecbf044ef36b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\04accea6bcdca378398eecbf044ef36b_JaffaCakes118.exe" silent pause
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1452
      • C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3536
      • C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe
        "\\.\C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe
    Filesize

    468KB

    MD5

    7331a06b157af1991079991169a9f5df

    SHA1

    b214ba10b75e6e60e0eeea31e480801ff17e2501

    SHA256

    09bad8f5f31fc5bd7fe9e5d6eb5aa84791bca2ba03a6d44d9acde3d23f7389bc

    SHA512

    304134a3b07e69308e52824ff26e78669e53f162986b7d597beedf60e6669bb4e3bbcc270a45621d3be34287f73aeba76186df26d19d5aefe3390814748b37f6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe
    Filesize

    468KB

    MD5

    a5c617c5965f78a61f07592ccd555358

    SHA1

    e3ce4aacb2f078ec25fddc03016e5f7ca09b6e9c

    SHA256

    53e37a9a50380d054a726781e3e36b025ea4e674d79a770398d997df1fca4e4e

    SHA512

    4b0e80725d5d25d3d9e8054e1ec1cc55b98b0503bfe8d771d5463ff80bb0dc73c6911d5ab6fbe5bd3ef9b8b993f4a7c172a479fa391a9db23f45a782aba03eb3

  • C:\Users\Admin\AppData\Roaming\Microsoft\persist.dat
    Filesize

    10B

    MD5

    1a834063f31f90c5f1a0b3d8ca478b02

    SHA1

    b7ef0f73c3cff1ac267576349326cf31ed78b000

    SHA256

    106fabf234fa3cf975516894bb4d9f92791dd736e78ce7740ca729796493b9bf

    SHA512

    0a9d25c55c1ebe66351c89d610a94ac0e18a528b8c27951f419a0a73ae225983cd48b84a69a598f4843dcde0661a152e61d21a56fcb261240dafb3c13f880b8c

  • memory/516-32-0x0000000063080000-0x00000000631EC000-memory.dmp
    Filesize

    1.4MB

  • memory/1452-44-0x0000000063080000-0x00000000631EC000-memory.dmp
    Filesize

    1.4MB

  • memory/1984-16-0x0000000063080000-0x00000000631EC000-memory.dmp
    Filesize

    1.4MB

  • memory/1984-78-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/2636-1-0x0000000063080000-0x00000000631EC000-memory.dmp
    Filesize

    1.4MB

  • memory/2636-43-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/3536-76-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/3584-66-0x0000000063080000-0x00000000631EC000-memory.dmp
    Filesize

    1.4MB

  • memory/3584-77-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB