Analysis

  • max time kernel
    120s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2025 23:48

General

  • Target

    4589b921ddc40d6ccc5c78b369b0853d09e32234683603dc84f9c0bef8ec5de9.exe

  • Size

    29KB

  • MD5

    198c9ce4a07ce2647c84fb4c528e0a65

  • SHA1

    d57321281d6a7c56f5c98a83f36f38899d9cd5f9

  • SHA256

    4589b921ddc40d6ccc5c78b369b0853d09e32234683603dc84f9c0bef8ec5de9

  • SHA512

    9f5a1ffa181c36dbff7eface77b87d747da2aa2ebdb19b097d2b0e351110ebce5047ed258419f7bd1d1fa18db80f347db62c5ab2fb08896705c318da09a08a8d

  • SSDEEP

    768:9E7RmpgGD1BH9D8qbILeuBKh0p29SgRSom:e7RKIcIrKhG29jSom

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

chakibmohamed301.no-ip.org:5552

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4589b921ddc40d6ccc5c78b369b0853d09e32234683603dc84f9c0bef8ec5de9.exe
    "C:\Users\Admin\AppData\Local\Temp\4589b921ddc40d6ccc5c78b369b0853d09e32234683603dc84f9c0bef8ec5de9.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    198c9ce4a07ce2647c84fb4c528e0a65

    SHA1

    d57321281d6a7c56f5c98a83f36f38899d9cd5f9

    SHA256

    4589b921ddc40d6ccc5c78b369b0853d09e32234683603dc84f9c0bef8ec5de9

    SHA512

    9f5a1ffa181c36dbff7eface77b87d747da2aa2ebdb19b097d2b0e351110ebce5047ed258419f7bd1d1fa18db80f347db62c5ab2fb08896705c318da09a08a8d

  • memory/1872-0-0x0000000074911000-0x0000000074912000-memory.dmp

    Filesize

    4KB

  • memory/1872-1-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1872-2-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1872-10-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2260-11-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2260-12-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2260-13-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2260-14-0x0000000074910000-0x0000000074EBB000-memory.dmp

    Filesize

    5.7MB