General

  • Target

    53d01662babe8f44ac554fc2a16eb4d0_NeikiAnalytics.exe

  • Size

    123KB

  • Sample

    240525-vetvpsbe83

  • MD5

    53d01662babe8f44ac554fc2a16eb4d0

  • SHA1

    fcae649e71a691c39ec5ffdf916ba67624e5a4fb

  • SHA256

    ccb682c585e5f867e1cf68c755a35a54dd2a8cbcb8c7caedfcb1ea9463070a97

  • SHA512

    22556eccd4f16e1d23ba60e50f0ce300bd8e12ea5c23bd573741a7f38b3cdff55040270475e6d784ce15b9a2d4ba00dbfe2f33c40d8d4fba4955722c330ad0ff

  • SSDEEP

    3072:5Ps2ipjzChN8IEMj9UpD0ag74Y8aIA0R6O6p4B:3iAhGIRpUpDjlKP0R6w

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

sigma

C2

45.145.41.147:7001

Mutex

e46fd589a4d6a6ad61ec2902d937146b

Attributes
  • reg_key

    e46fd589a4d6a6ad61ec2902d937146b

  • splitter

    |'|'|

Extracted

Family

xworm

C2

127.0.0.1:7000

45.145.41.147:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    WinSec.exe

Targets

    • Target

      53d01662babe8f44ac554fc2a16eb4d0_NeikiAnalytics.exe

    • Size

      123KB

    • MD5

      53d01662babe8f44ac554fc2a16eb4d0

    • SHA1

      fcae649e71a691c39ec5ffdf916ba67624e5a4fb

    • SHA256

      ccb682c585e5f867e1cf68c755a35a54dd2a8cbcb8c7caedfcb1ea9463070a97

    • SHA512

      22556eccd4f16e1d23ba60e50f0ce300bd8e12ea5c23bd573741a7f38b3cdff55040270475e6d784ce15b9a2d4ba00dbfe2f33c40d8d4fba4955722c330ad0ff

    • SSDEEP

      3072:5Ps2ipjzChN8IEMj9UpD0ag74Y8aIA0R6O6p4B:3iAhGIRpUpDjlKP0R6w

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

MITRE ATT&CK Enterprise v15

Tasks