Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 21:28

General

  • Target
    81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe
  • Size 1.4MB
  • Sample240801-1bs2wswhkr
  • SHA256 6821de637a9c0a7388c6b9ee34ca8843fd259b9b027e6af27615d122e7e77c11
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • MOO SALAH

C2
  • milla.publicvm.com:1177

Mutex
  • b9abd535ae166ceac71e91d5d5dc48be

Attributes
  • reg_key

    b9abd535ae166ceac71e91d5d5dc48be

  • 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.

  • Drops startup file 2 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe
      "C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe" "tasekmanger.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tasekmanger.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe
        • Size 1.4MB
        • SHA256 6821de637a9c0a7388c6b9ee34ca8843fd259b9b027e6af27615d122e7e77c11
        • MD5 SHA1 SHA512 SSDEEP

        memory/3272-6-0x0000000005540000-0x000000000554A000-memory.dmp

        memory/3272-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

        memory/3272-3-0x0000000005380000-0x0000000005412000-memory.dmp

        memory/3272-4-0x00000000054A0000-0x000000000553C000-memory.dmp

        memory/3272-5-0x0000000074660000-0x0000000074E10000-memory.dmp

        memory/3272-0-0x000000007466E000-0x000000007466F000-memory.dmp

        memory/3272-7-0x0000000005550000-0x000000000555C000-memory.dmp

        memory/3272-1-0x0000000000840000-0x00000000009A2000-memory.dmp

        memory/3272-21-0x0000000074660000-0x0000000074E10000-memory.dmp

        memory/3976-20-0x0000000074660000-0x0000000074E10000-memory.dmp

        memory/3976-22-0x0000000074660000-0x0000000074E10000-memory.dmp

        memory/3976-24-0x0000000074660000-0x0000000074E10000-memory.dmp

        memory/3976-25-0x0000000074660000-0x0000000074E10000-memory.dmp