Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 05:05

General

  • Target

    891a9b86a23939e3c5dab87dd2da4852_JaffaCakes118.exe

  • Size

    413KB

  • MD5

    891a9b86a23939e3c5dab87dd2da4852

  • SHA1

    909f654457229eb0088b0d148dcf6fec1910df90

  • SHA256

    e3593313076e535c8e2ef2ed9ac585e305d638faec47221bf2ab352645e0bc3d

  • SHA512

    06fb50c0e807e93d065b78d95f4ef63af988c8470c16d91daea475f86bde7cc537b95164109e78c4fa2a1683a320928f255c0b274091615c49e55dafc67d7e72

  • SSDEEP

    12288:EIZIJ8lG4tCZasV15i27y1CzIOSDbckdU+hh/iz09Z2Fg+3e98:HZIJ8lG4tC0sZi270RwTZ2Z2/

Score
7/10

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
  • 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 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\891a9b86a23939e3c5dab87dd2da4852_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\891a9b86a23939e3c5dab87dd2da4852_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Users\Admin\AppData\Local\Temp\Server_Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Server_Setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 220
        3⤵
        • Program crash
        PID:4804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1748 -ip 1748
    1⤵
      PID:4468
    • 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=3960,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3784 /prefetch:8
      1⤵
        PID:1236

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Server_Setup.exe

        Filesize

        720KB

        MD5

        5aabfd1d1415c8037be6948d23414089

        SHA1

        5c2ce517b1f27131c5cb7b173dc74f9198ecc68a

        SHA256

        6e70345aa3e3d6aa6afa0161ab1967058ec477ff9ba12e1d3c072e4d3ddf6df2

        SHA512

        47de5026d608c7d2e73e76abf58b8c569b611873e2a592a5a47f6fdc874330e706f9bd763b6414a2838e4406d02556852fc7d999557fc8b86eaa30cd2ffb2b85

      • memory/1748-8-0x0000000000400000-0x00000000004C63E0-memory.dmp

        Filesize

        792KB