Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 19:43

General

  • Target

    9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe

  • Size

    156KB

  • MD5

    15350d048d796ddc6136778924b157a1

  • SHA1

    35a7e56832aa3a95416e31097a08b8f38da8461f

  • SHA256

    9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90

  • SHA512

    24c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39

  • SSDEEP

    3072:1GE8RodzdbSNO4wmR34hP8naoAk3/zZMi0GFk+enoNRDuUlbH:1G3k+GojDuUlL

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

emad1987.myq-see.com:3973

Mutex

5380bd110381d2960055cc04618dfc86

Attributes
  • reg_key

    5380bd110381d2960055cc04618dfc86

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
    "C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.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:2912
      • C:\Windows\SysWOW64\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
        • System Location Discovery: System Language Discovery
        PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    156KB

    MD5

    15350d048d796ddc6136778924b157a1

    SHA1

    35a7e56832aa3a95416e31097a08b8f38da8461f

    SHA256

    9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90

    SHA512

    24c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39

  • memory/1408-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/1408-1-0x0000000000120000-0x000000000014E000-memory.dmp

    Filesize

    184KB

  • memory/1408-2-0x0000000004A30000-0x0000000004ACC000-memory.dmp

    Filesize

    624KB

  • memory/1408-3-0x0000000002410000-0x000000000241C000-memory.dmp

    Filesize

    48KB

  • memory/1408-4-0x0000000005100000-0x00000000056A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2912-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-19-0x0000000004FD0000-0x0000000005062000-memory.dmp

    Filesize

    584KB

  • memory/2912-21-0x0000000004F40000-0x0000000004F4A000-memory.dmp

    Filesize

    40KB

  • memory/2912-22-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB