General

  • Target

    a7a88c095a854da3f0468d13c1fd9ac2.exe

  • Size

    12.9MB

  • Sample

    250109-aglxnasjhn

  • MD5

    a7a88c095a854da3f0468d13c1fd9ac2

  • SHA1

    96b746fe643a843c3f96b44c998079de34596881

  • SHA256

    b191be04048fdc73a8c07a809940af3db699b1e7691987830d3cb29db4bb6be1

  • SHA512

    90d44edec466744641a8088331b045f6b371e7bde8c937cf1c8b10f4236834f4ad9c4037d6da53a30230b88129fdaeb24bec21329813c52fd7acefcc723fa3fb

  • SSDEEP

    393216:KH+T9Asq0Jfkrnov5VlYdQdF3MnG38GrNs:KH+T9Ae5VlYdQ73MGsL

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

45.137.201.181:511

Mutex

10f6dfefb59a013e09257779b7022e13

Attributes
  • reg_key

    10f6dfefb59a013e09257779b7022e13

  • splitter

    |'|'|

Targets

    • Target

      a7a88c095a854da3f0468d13c1fd9ac2.exe

    • Size

      12.9MB

    • MD5

      a7a88c095a854da3f0468d13c1fd9ac2

    • SHA1

      96b746fe643a843c3f96b44c998079de34596881

    • SHA256

      b191be04048fdc73a8c07a809940af3db699b1e7691987830d3cb29db4bb6be1

    • SHA512

      90d44edec466744641a8088331b045f6b371e7bde8c937cf1c8b10f4236834f4ad9c4037d6da53a30230b88129fdaeb24bec21329813c52fd7acefcc723fa3fb

    • SSDEEP

      393216:KH+T9Asq0Jfkrnov5VlYdQdF3MnG38GrNs:KH+T9Ae5VlYdQ73MGsL

    • Njrat family

    • 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.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks