Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 04:30

General

  • Target

    18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll

  • Size

    1.7MB

  • MD5

    18c7e5fbfb5b0bdd09279e3bd8bd17f0

  • SHA1

    15b80b8a4b263f8a4b902dc1f6af01b923032e0e

  • SHA256

    2cd91ceff31309f8dbdef3e2ef66cd20a6df6d910f9a4c98b3d7a9e67aada436

  • SHA512

    29efa3df1eb2046e8662e29ef409cb6e7b6e7e3590aa9e9ee2d844e7faad3dd7302bd0c1627d4512faffccf53b446c3e82eb49b15ee14cc0a46fff8fdda1aaa6

  • SSDEEP

    49152:W3T+vr7klhTd2UJA0MfsPGrBnY0Llmh71Is9M:8yv/klR2fsPG1nDl271G

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll,#1
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Identifies Wine through registry keys
      • Writes to the Master Boot Record (MBR)
      PID:2532
  • 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 --field-trial-handle=4224,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=3816 /prefetch:8
    1⤵
      PID:2112

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2532-0-0x0000000000400000-0x0000000000614000-memory.dmp

      Filesize

      2.1MB

    • memory/2532-1-0x0000000000401000-0x0000000000443000-memory.dmp

      Filesize

      264KB

    • memory/2532-2-0x0000000000400000-0x0000000000614000-memory.dmp

      Filesize

      2.1MB