Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 13:12

General

  • Target

    34bfc2b7c2d5688f8ac0410cbc45da73_JaffaCakes118.exe

  • Size

    624KB

  • MD5

    34bfc2b7c2d5688f8ac0410cbc45da73

  • SHA1

    a2c09ef4aca99aaabfe7642cd5ff14491a09cbc8

  • SHA256

    047a24cacf0bd5bd49ed530e3aec2382129827f9abb4dac00d8cca1e448b57bd

  • SHA512

    329aea2dfaca244623f2a663a97291e43f6f1d10601a006fc055de5dd3e5121209a34a40c86e58b2752c1c1111b281948dbbdd05686017fc452e30543d353abf

  • SSDEEP

    12288:5UdZT1ZPtL5S05tmnqtfPp7WQfds84tsIDHPYg000wch63NM8n:mdZTX7S05tmqrShHPYxbTw3NM8n

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 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
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34bfc2b7c2d5688f8ac0410cbc45da73_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\34bfc2b7c2d5688f8ac0410cbc45da73_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\n9491\s9491.exe
      "C:\Users\Admin\AppData\Local\Temp\n9491\s9491.exe" 58e18cfd831d34d00f99fda1FIIvQn1uleF50GcfKQJY+/U7Cg+7ucblfG+DXESusFadn2U5x/ndtNv8r4/7D7xmLonp+7qLMaYMHFj5bvO1hnPE0I9S10c4uEcW3tKU3xGo7+A2K5lBNuMsNajrluTqgRbAykAHaIjUa0p/xb64nno9JoyUyWtgKGJoF9pg /v "C:\Users\Admin\AppData\Local\Temp\34bfc2b7c2d5688f8ac0410cbc45da73_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1748
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
  • 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=3980 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2572

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\n9491\s9491.exe

            Filesize

            373KB

            MD5

            5d3330c2891766f2987b49dd4bdaadfd

            SHA1

            31dbd97c319944a692c47995053c098431bcfdaf

            SHA256

            825418c6c8d0c97c4061c720537223e5d4ea5a49ab8b74910443165a1cef9097

            SHA512

            0880d0381802ec5d3b0a58df7af8232ad96cd5d11475ffd82d95b9a0ac4b1e80585cea78f7f12808d9251253fce07f7ec31f66d97ab46057f4b26205ad4f6414

          • memory/1744-12-0x00007FF971555000-0x00007FF971556000-memory.dmp

            Filesize

            4KB

          • memory/1744-13-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB

          • memory/1744-14-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB

          • memory/1744-27-0x00007FF971555000-0x00007FF971556000-memory.dmp

            Filesize

            4KB

          • memory/1744-28-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB

          • memory/1744-29-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB

          • memory/1744-30-0x000000001B9E0000-0x000000001B9F0000-memory.dmp

            Filesize

            64KB

          • memory/1744-33-0x000000001C9B0000-0x000000001CE7E000-memory.dmp

            Filesize

            4.8MB

          • memory/1744-34-0x000000001CE80000-0x000000001CF1C000-memory.dmp

            Filesize

            624KB

          • memory/1744-35-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB

          • memory/1744-42-0x00007FF9712A0000-0x00007FF971C41000-memory.dmp

            Filesize

            9.6MB