Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 16:33

General

  • Target

    f85b93364a678d47d4b54675dda1abc3_JaffaCakes118.exe

  • Size

    283KB

  • MD5

    f85b93364a678d47d4b54675dda1abc3

  • SHA1

    e03b6b4d0690d66e323868e1243b32e2af947b0a

  • SHA256

    42525e109fc534ac972d74fcb8c628528ddecc7c124ff1c0a5059139444f4165

  • SHA512

    97e78d70291383bfbfbef98617294dc1eb61a757ece1eb88aea5036d913c0731fc2247c061d0261fd4cfa97e344b94bce0b55c7878ea6d85222206fae31c96bf

  • SSDEEP

    6144:OKrLgPF8Q6JOI8WCjYd2XGSa/oZrUf0c/mH8M:OqkPaQ6JqVY2aAS1C8

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f85b93364a678d47d4b54675dda1abc3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f85b93364a678d47d4b54675dda1abc3_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:2188
  • C:\Program Files (x86)\Microsoft Fbilag\Kkouumo.exe
    "C:\Program Files (x86)\Microsoft Fbilag\Kkouumo.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Microsoft Fbilag\Kkouumo.exe

    Filesize

    283KB

    MD5

    f85b93364a678d47d4b54675dda1abc3

    SHA1

    e03b6b4d0690d66e323868e1243b32e2af947b0a

    SHA256

    42525e109fc534ac972d74fcb8c628528ddecc7c124ff1c0a5059139444f4165

    SHA512

    97e78d70291383bfbfbef98617294dc1eb61a757ece1eb88aea5036d913c0731fc2247c061d0261fd4cfa97e344b94bce0b55c7878ea6d85222206fae31c96bf

  • memory/2188-10-0x0000000004510000-0x00000000045CC000-memory.dmp

    Filesize

    752KB

  • memory/2188-3-0x0000000000400000-0x0000000002CD4000-memory.dmp

    Filesize

    40.8MB

  • memory/2188-4-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2188-7-0x0000000000400000-0x0000000002CD4000-memory.dmp

    Filesize

    40.8MB

  • memory/2188-9-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2188-2-0x0000000004510000-0x00000000045CC000-memory.dmp

    Filesize

    752KB

  • memory/2188-1-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2460-17-0x0000000002D50000-0x0000000002E50000-memory.dmp

    Filesize

    1024KB

  • memory/2460-18-0x0000000000400000-0x0000000002CD4000-memory.dmp

    Filesize

    40.8MB

  • memory/2460-23-0x0000000000400000-0x0000000002CD4000-memory.dmp

    Filesize

    40.8MB

  • memory/2460-25-0x0000000002D50000-0x0000000002E50000-memory.dmp

    Filesize

    1024KB

  • memory/2460-29-0x0000000002D50000-0x0000000002E50000-memory.dmp

    Filesize

    1024KB