Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 03:18

General

  • Target

    bf1309dd22cc8153fb839915f3924eb656c7a331599a4b3d4f98ab3873413f9a.exe

  • Size

    43KB

  • MD5

    9f42922c0a3f6d8ea2f14cacd6d833a2

  • SHA1

    26599b63a7128de66f90d3845bdf914c14933fff

  • SHA256

    bf1309dd22cc8153fb839915f3924eb656c7a331599a4b3d4f98ab3873413f9a

  • SHA512

    772caa71cbe0ed4c74bd9311a0a2d941b2eed4c40f49bf318094a1c04b438d9a547a5abef80b96bb3e902f3aaffe02ad26de6f5f8c63f078bd621b87f9009e4d

  • SSDEEP

    384:xZyRx31mmkuHQUyzvnNXPGeGEE1XdP9fQzAIij+ZsNO3PlpJKkkjh/TzF7pWn8cp:jq3kgwhzfNftG1B9muXQ/olc3+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

saw-shirts.gl.at.ply.gg:4164

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf1309dd22cc8153fb839915f3924eb656c7a331599a4b3d4f98ab3873413f9a.exe
    "C:\Users\Admin\AppData\Local\Temp\bf1309dd22cc8153fb839915f3924eb656c7a331599a4b3d4f98ab3873413f9a.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\Dllhost.exe
      "C:\Windows\Dllhost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Dllhost.exe

    Filesize

    43KB

    MD5

    9f42922c0a3f6d8ea2f14cacd6d833a2

    SHA1

    26599b63a7128de66f90d3845bdf914c14933fff

    SHA256

    bf1309dd22cc8153fb839915f3924eb656c7a331599a4b3d4f98ab3873413f9a

    SHA512

    772caa71cbe0ed4c74bd9311a0a2d941b2eed4c40f49bf318094a1c04b438d9a547a5abef80b96bb3e902f3aaffe02ad26de6f5f8c63f078bd621b87f9009e4d

  • memory/1436-3-0x0000000006130000-0x00000000066D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1436-2-0x00000000057E0000-0x000000000587C000-memory.dmp

    Filesize

    624KB

  • memory/1436-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

    Filesize

    4KB

  • memory/1436-4-0x0000000005C20000-0x0000000005CB2000-memory.dmp

    Filesize

    584KB

  • memory/1436-5-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB

  • memory/1436-1-0x0000000000F60000-0x0000000000F72000-memory.dmp

    Filesize

    72KB

  • memory/1436-15-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB

  • memory/3236-16-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB

  • memory/3236-17-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB

  • memory/3236-18-0x00000000057E0000-0x00000000057EA000-memory.dmp

    Filesize

    40KB

  • memory/3236-19-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB

  • memory/3236-20-0x0000000074DD0000-0x0000000075580000-memory.dmp

    Filesize

    7.7MB