Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 22:17

General

  • Target

    d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe

  • Size

    89KB

  • MD5

    fa3f20e10231190f449017b08f05c930

  • SHA1

    6c8202dfbb81d01b9e99cbcf97a4c4113f0023ac

  • SHA256

    d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289e

  • SHA512

    4ba760536aedb767c7f38068ab9cabf497a1499998ddd4e5810588c848e561ead8ddb60b847653ef921b71ca2e8a6f7d893c30d27fd8aa1e97cf176b1bb67f27

  • SSDEEP

    768:47qAn2N2urOxBPF6ozWUshy9x+UwVbYdguJcF4Qhc4VjsS8jdxKNu6LUEEDeyDvJ:4+AnP/BPEMW3hyj+UwV82hBjsVx1n5N

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes
  • reg_key

    279f6960ed84a752570aca7fb2dc1552

  • 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).

  • 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.

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe
    "C:\Users\Admin\AppData\Local\Temp\d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    89KB

    MD5

    fa3f20e10231190f449017b08f05c930

    SHA1

    6c8202dfbb81d01b9e99cbcf97a4c4113f0023ac

    SHA256

    d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289e

    SHA512

    4ba760536aedb767c7f38068ab9cabf497a1499998ddd4e5810588c848e561ead8ddb60b847653ef921b71ca2e8a6f7d893c30d27fd8aa1e97cf176b1bb67f27

  • memory/2184-11-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2184-2-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2184-3-0x0000000002140000-0x000000000214C000-memory.dmp

    Filesize

    48KB

  • memory/2184-4-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2184-1-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2184-0-0x000007FEF617E000-0x000007FEF617F000-memory.dmp

    Filesize

    4KB

  • memory/2784-10-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-12-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-13-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-14-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-15-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-16-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB