Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 12:53

General

  • Target

    1c942e01b72017dcc88144c2b32b9b40_JaffaCakes118.exe

  • Size

    1012KB

  • MD5

    1c942e01b72017dcc88144c2b32b9b40

  • SHA1

    965f9a6c973368d7ac5fa28fb0548844e0c5b9b9

  • SHA256

    34751b27079e6e094c273900fcdf42f15350857743c9f3e341a4f32b26188d89

  • SHA512

    6f7195b0311baf6d81c3552e4a47e4e57021a51465f85d1a68d8e40be5c4fe78c87b1396472185dce9cce69ab6c2ba883af7f78c66a432f75849d144f68df9bd

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxo:7J5gEKNikf3hBfUiWxo

Score
10/10

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c942e01b72017dcc88144c2b32b9b40_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c942e01b72017dcc88144c2b32b9b40_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1012KB

    MD5

    e501f42f592e7f05057912f1c58665b0

    SHA1

    139e411eff9c861311a3c955f738ccc92d404535

    SHA256

    8c9fe08f3dfa14ad73d8555a676af678872cbeb8acfff8bda362d507b8a7f01c

    SHA512

    059ed9386f838c31b80557d0071fc4d0540d4551761a603026bbbd983501a0480ecbaa26426f648c20c1cfbbe6cbb230d3ea0abd462c44159653a3b49b912115

  • memory/2996-12-0x00000000021A0000-0x00000000021A1000-memory.dmp

    Filesize

    4KB

  • memory/2996-13-0x0000000002570000-0x0000000002970000-memory.dmp

    Filesize

    4.0MB

  • memory/2996-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4840-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4840-1-0x0000000002550000-0x0000000002551000-memory.dmp

    Filesize

    4KB

  • memory/4840-3-0x00000000028A0000-0x0000000002CA0000-memory.dmp

    Filesize

    4.0MB

  • memory/4840-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB