Analysis

  • max time kernel
    94s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 03:17

General

  • Target

    ffd9845669dcccaf33420476d859c960_JaffaCakes118.exe

  • Size

    568KB

  • MD5

    ffd9845669dcccaf33420476d859c960

  • SHA1

    62db4b7c802602c930754cb848844ee1a10a036e

  • SHA256

    5623232315159976ad4990ac4a852582b28cf1837754ff17151e9419f99350da

  • SHA512

    c32245841c6767e5320b5398c9599f49266ef32ed262f8dab966dc979d75522caf2af18c3fc431b082beb1ffd72aa198a951e23982674f830e24a08e950b9eb3

  • SSDEEP

    12288:RdoQ6lMYi18hrj8Hb9IVP9gZAErSLbm0IXxoJaou0o7MauiTVu:T3hY98Hb9oVg+EQa3o/WuiTVu

Malware Config

Signatures

  • 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
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffd9845669dcccaf33420476d859c960_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ffd9845669dcccaf33420476d859c960_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Program Files (x86)\AdvTopC\AdvTCApp.exe
      "C:\Program Files (x86)\AdvTopC\AdvTCApp.exe" /r
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2412
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Program Files (x86)\AdvTopC\TCHelper.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4180

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\AdvTopC\AdvTCApp.exe

          Filesize

          383KB

          MD5

          3ff8510351b66cf54ce96d101a993753

          SHA1

          3fa62d346b4b5c1c0979ff6d1a148e3a3369c490

          SHA256

          03d3319a2064d514cc4d8b6f074c8c772dbf2dba566177e73b046c7a8d045340

          SHA512

          85c063cdc0c550a757541386dc328beb8b196cec7283646bc775c2111915cee48837ac2963364b92d22fd3eed67e9fe36ddff72a3c0503a906d3d3bb2ed77218

        • C:\Program Files (x86)\AdvTopC\AdvTCApp.tlb

          Filesize

          2KB

          MD5

          bafb332c8d5978ad9924501a8db187bc

          SHA1

          96694db8d4c1b1d3770170bcd1ae28b8415ec5cc

          SHA256

          f93c4133d764d65b279ed4a6ae854b22ffd75ebb56290b8a15a82d403dc0b4cd

          SHA512

          d562bef98be97a9025490a62b0245bc37d2bd6775bb520452a6542986e73cbc53df779bb00dadfd0cd10166fe94b717c67d021d6abeaf24bfcae71fa19e7b634

        • C:\Program Files (x86)\AdvTopC\TCHelper.dll

          Filesize

          232KB

          MD5

          c7c40ea78f43185cc5c10d897d40096b

          SHA1

          edee19663d9b5fa71ad159accd074a467f177816

          SHA256

          9a160f72b8ce0b5733efdd5c42a6ff7c5c026e71fe0e02a4c6b332ec61f55b51

          SHA512

          1b394436f7e60b99bb8dee0af2cd308ba71b79a7959b8d3e9974a63fb3bd97e2e8d44af6c624686b074d161aa45d009b62358a553069e4e7e2c46b7c1fed634c