Analysis

  • max time kernel
    150s
  • 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
    16-09-2024 12:28

General

  • Target

    e4c5cb5600f162c9c2b07dc567eeab9c_JaffaCakes118.exe

  • Size

    1012KB

  • MD5

    e4c5cb5600f162c9c2b07dc567eeab9c

  • SHA1

    704d8eae46449d29aee7d7b56d12db9707b1bd8d

  • SHA256

    3302e919b5141e224999595eb83f1c125da15ee09143bd1c3b263fcbdaec0645

  • SHA512

    2b1ba83e28604d6b88bdcf3b057c9c066b4862516b0906123a5647887e878bb33b8383e0a2fdbfda492fa0d6b58e8815e1b1f1803622cf3b836dff9d487ba6dd

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx5:7J5gEKNikf3hBfUiWx5

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
  • UPX packed file 4 IoCs

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

  • 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\e4c5cb5600f162c9c2b07dc567eeab9c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c5cb5600f162c9c2b07dc567eeab9c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1512
    • 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:4304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1012KB

    MD5

    ca4b1ac73751530ebd0828e520f3af84

    SHA1

    505837ecb3b5cf3ec8c47f79ba28b0644bac71d3

    SHA256

    7bc6b17d1482360890079ce4b1d941d5a7d8b68ef4a26a57e39d79228c75183d

    SHA512

    249f9f5a8395319204f89d7cdc6d938fc1cd39e164bf00e3ca87306266ab619a611af875de181beac9731b9268b9d489d2ee655b7bd49476fce60d80c28185ae

  • memory/1512-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1512-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/1512-3-0x0000000002670000-0x0000000002A70000-memory.dmp

    Filesize

    4.0MB

  • memory/1512-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4304-12-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/4304-13-0x0000000002580000-0x0000000002980000-memory.dmp

    Filesize

    4.0MB

  • memory/4304-20-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB