Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 17:55

General

  • Target

    f87b14ca5a1e060c5f9e316677adc717_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    f87b14ca5a1e060c5f9e316677adc717

  • SHA1

    1f109fdf923f9e6f849453a3d7c0434261d64673

  • SHA256

    af8ab60e8fdb29624d91e8e67e39b27a8e8b62eb75909f71a0273fb453b411d2

  • SHA512

    5f5cfa727e0acaeec7fe6fdb4237b3b667a226ffaf980938f165ab7798b2918eda249092c8e57019709f3a921ce463843f494a278fe0a5c9c617ff55e1f6dcc5

  • SSDEEP

    24576:tSE1TW+OelQnV8bnEj1axs35O2AwmQj84UoCerJLeoClKaOTV5nM:tSYTW+OeKVBV3gVwiZNyHC89

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f87b14ca5a1e060c5f9e316677adc717_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f87b14ca5a1e060c5f9e316677adc717_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\FINKHL\RFV.exe
      "C:\Windows\system32\FINKHL\RFV.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:548
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\FINKHL\AKV.exe

      Filesize

      456KB

      MD5

      a626ea63014bb99b64c76f9170e91370

      SHA1

      62ceedb9dcc073d0ecefe5b741724c601ada5d9b

      SHA256

      248fd5fa06f81efb5d66d1be594dc01c6fb13f15aac9fd3d35a471838c21b851

      SHA512

      2d37163927d00e67ca242eec32ddf84dc7e298320b6c628d0e6e5a885152a70dfb575bc1a6f2765d91fdee8735dd3841edffd91ad7ed9195ffc0ae7bcd01238c

    • C:\Windows\SysWOW64\FINKHL\RFV.001

      Filesize

      61KB

      MD5

      9c4ffd88e48548e4d16312bd91c317a9

      SHA1

      0e7bf403d4803af625576c71e9dc6c0534e84984

      SHA256

      2776e8682161ef789546837ff0d8bc2aa828f93409b9fd37f534b5ae72818040

      SHA512

      db95e1ac45b0c64fd0f5a3e74b8a9096afa2538035651551c48457aefdaa18d747c11f56aa4506ea71e2619307ec79c92998d8fa9ef29cb7d5fb840435172fb0

    • C:\Windows\SysWOW64\FINKHL\RFV.002

      Filesize

      43KB

      MD5

      7fd0b22a5c7360208b6861ee9d219d55

      SHA1

      6147665d86d49605d2ffc37950a16836b269d1b9

      SHA256

      bd7adf27da25406c9714536bf5724875a5d753ea8269df537ff4c0ac295b48c0

      SHA512

      23ab4b7609ba522652d6ff1e3b0e52d5e0c8d01150e3bcc4133133b724d7b22d4e4834b338e865c62df5959b76ed92194018cec1d73e17359116ba177f016704

    • C:\Windows\SysWOW64\FINKHL\RFV.004

      Filesize

      1KB

      MD5

      e56228c0296d49e4a5f4196145cbfaa3

      SHA1

      c45eaefc5041d38699b7ecbc8e76a851bc76f9b0

      SHA256

      1e84111234efea175f08bb513d904eb6dabb459af4abc4038886cc0044a0e874

      SHA512

      c4eae8f64188ed04933ab86b28e848c956c00e2e051fe0b603d790c3f6460e2947721a3c127008e20f08cb728895cb4b2faba604d4fbd5ac7dd1247c565c96d5

    • C:\Windows\SysWOW64\FINKHL\RFV.exe

      Filesize

      1.7MB

      MD5

      6192c0937d2475353ab65739bd44140d

      SHA1

      a8b2ae6b5ee330e815d052a0601224cbd5eaf07a

      SHA256

      bf73c24bd79abbcc4596dd8ec6a40b5b763a4006bcbe525b6680d5915055a0c6

      SHA512

      cb5c821dee9a626376629f8b3ce8348ab0e9e26e494df44dfc2a0996a06ba6e86c3e1cb9b58961159c14eb97e6224aadb499bcbbf05fe7ecdef0ebb33bce2f55

    • memory/548-16-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB

    • memory/548-18-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB