Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 19:15

General

  • Target

    db0bec24224436395853f7d30405ee1d_JaffaCakes118.exe

  • Size

    994KB

  • MD5

    db0bec24224436395853f7d30405ee1d

  • SHA1

    9721cf5b6b3e5c0083542088fad9026359a218d8

  • SHA256

    00a5423e84c76499f87923f577078fc4c360c86721e08f9e9b58d2d13599e05f

  • SHA512

    2048e58385f437fdcd0bae4c92811a41980d8b15daac7ed7081cbf1ddc5f1aa82319fe9d8c56117d3e499241c491052f7c09450ebe19601e423db8bb941fe885

  • SSDEEP

    24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxL:dJ5gEKNikf3hBfUiWxL

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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\db0bec24224436395853f7d30405ee1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\db0bec24224436395853f7d30405ee1d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4588
  • 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=4124,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
    1⤵
      PID:888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      994KB

      MD5

      162a6b8a5fcfa866e76aaff05e4fae86

      SHA1

      5122178afc39638202bcddcf15594333ee3596fe

      SHA256

      62a61f3c4a8c105db7739b2c1aff9af56b93a6c63475fb709d799c13e19b375f

      SHA512

      14a1451b451973a2a42e6cf2be7c53e567cf3e2d74d99c731cd4da6ba9718f23b9b5d3480c5118beefe9a2be2570d786a3f20762ef39d7390ef043f21500db78

    • memory/4588-14-0x0000000002620000-0x0000000002A20000-memory.dmp

      Filesize

      4.0MB

    • memory/4588-13-0x00000000022D0000-0x00000000022D1000-memory.dmp

      Filesize

      4KB

    • memory/4588-21-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4716-0-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4716-1-0x0000000002470000-0x0000000002471000-memory.dmp

      Filesize

      4KB

    • memory/4716-3-0x00000000027C0000-0x0000000002BC0000-memory.dmp

      Filesize

      4.0MB

    • memory/4716-12-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB