Analysis

  • max time kernel
    139s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:55

General

  • Target

    023847726f684bc1e14ed12e91b9220b_JaffaCakes118.dll

  • Size

    52KB

  • MD5

    023847726f684bc1e14ed12e91b9220b

  • SHA1

    32e1198681029163040a83cfda07cc5285b59aaa

  • SHA256

    d451c6c937fdf20053054f7134dfccb7c2ad0e8723ea2e6e8341668540356577

  • SHA512

    13cf9d6b21504478d982e7756515a8aaf621f4df10f4100d2501375d0715a6b41b49fe70b2744ed9940a14d0655005894d3a14e57f4f53c59a6cac0d079cc282

  • SSDEEP

    1536:JsAAh4F0ULPtBKsNIuZtSVaVUIC4H/L0u:u2j1B7KipCmL1

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\023847726f684bc1e14ed12e91b9220b_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\023847726f684bc1e14ed12e91b9220b_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:3016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 888
        3⤵
        • Program crash
        PID:3340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3016 -ip 3016
    1⤵
      PID:2796
    • 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 --field-trial-handle=4140,i,1305347165619645738,15927664461101562802,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
      1⤵
        PID:1152

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads