Analysis

  • max time kernel
    140s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 15:30

General

  • Target

    869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe

  • Size

    29KB

  • MD5

    869d914b7e6014c33ff231f5e4d0851a

  • SHA1

    e1884eeaa56bc38cf64d30176e2401ff85bdd142

  • SHA256

    bc80ff0da91370e644cf2c1f71f46ee4bd0c9176e35e31c5f0a94b2692edfe5b

  • SHA512

    09253cf92f21037bc39ea8b4e10474a6fad8045c26f6b2e42ea456616576a8f7b3918dae3b048688b85f388ecd29f1158382cbc689a347359fecc53d0738d923

  • SSDEEP

    384:RvzJ1Zh34AXyIPWVV5TCNQbS7BGr0/tZh/eRyVnEUxZNbftuVHZEG8evsLof:RvN1Zh33XyIPSVZjeLZYIiKzGGG8e0cf

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 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 1 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\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\869d914b7e6014c33ff231f5e4d0851a_JaffaCakes118.exe" y
      2⤵
      • Drops file in System32 directory
      PID:5040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 404
        3⤵
        • Program crash
        PID:5408
  • 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=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
    1⤵
      PID:3276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 5040
      1⤵
        PID:5336

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3452-0-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3452-2-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/5040-1-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/5040-3-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/5040-6-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB