Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1000
    • 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:2788
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Kerneldll32.exe" "Kerneldll32.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3908

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/1000-3-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/1000-2-0x000000001BE10000-0x000000001BEB6000-memory.dmp

    Filesize

    664KB

  • memory/1000-0-0x00007FFA45CF5000-0x00007FFA45CF6000-memory.dmp

    Filesize

    4KB

  • memory/1000-4-0x0000000001530000-0x000000000153E000-memory.dmp

    Filesize

    56KB

  • memory/1000-5-0x000000001CA60000-0x000000001CF2E000-memory.dmp

    Filesize

    4.8MB

  • memory/1000-1-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/1000-19-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/2788-20-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/2788-21-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/2788-18-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB

  • memory/2788-22-0x000000001C0D0000-0x000000001C16C000-memory.dmp

    Filesize

    624KB

  • memory/2788-23-0x000000001BEE0000-0x000000001BEE8000-memory.dmp

    Filesize

    32KB

  • memory/2788-24-0x00007FFA45A40000-0x00007FFA463E1000-memory.dmp

    Filesize

    9.6MB