Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 13:09

General

  • Target

    7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    7d10d67d9f7590e5eff4c9818c6db8e2

  • SHA1

    21051468dfffc8065b12f82e53aa83c9edfe9049

  • SHA256

    7ed6db0961936f9c11762d1b06ae4918719c38906cb556ad9005383ffcb6b715

  • SHA512

    b0e0f077dbb464c738044b379f337e3e5ffcfc7a5237a4195fe37b7a2504484cd876c96ead916dc027a9360acd16c61dd56ee9548b3053fcd564c45ee81f2c2c

  • SSDEEP

    3072:OLz++++++++q6cQbsn+ylA3JxMS9xTmEx5VzRl:O/c/nRAPLaEx5d

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

TORRENT

C2

www.fb.linkpc.net:1070

Mutex

ecbfc751e50996e8c53d87b0a26dc0af

Attributes
  • reg_key

    ecbfc751e50996e8c53d87b0a26dc0af

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Roaming\Kerneldll32.exe
      "C:\Users\Admin\AppData\Roaming\Kerneldll32.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Kerneldll32.exe" "Kerneldll32.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Kerneldll32.exe

    Filesize

    174KB

    MD5

    7d10d67d9f7590e5eff4c9818c6db8e2

    SHA1

    21051468dfffc8065b12f82e53aa83c9edfe9049

    SHA256

    7ed6db0961936f9c11762d1b06ae4918719c38906cb556ad9005383ffcb6b715

    SHA512

    b0e0f077dbb464c738044b379f337e3e5ffcfc7a5237a4195fe37b7a2504484cd876c96ead916dc027a9360acd16c61dd56ee9548b3053fcd564c45ee81f2c2c

  • memory/2964-9-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2964-11-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2964-10-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2964-12-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2964-13-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2968-0-0x000007FEF5F7E000-0x000007FEF5F7F000-memory.dmp

    Filesize

    4KB

  • memory/2968-1-0x0000000000580000-0x000000000058E000-memory.dmp

    Filesize

    56KB

  • memory/2968-7-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB

  • memory/2968-8-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp

    Filesize

    9.6MB