General

  • Target

    bot23.bat

  • Size

    330B

  • Sample

    240524-ntwvaaff68

  • MD5

    1137487e0274c696ee5378b5a01f0cdf

  • SHA1

    9375478018a5b4a6c1c8bcf7ef20ecef36c2e700

  • SHA256

    2c6e184f8ab0d72b37893c0ccc202067edf0957492bba85ef2fa2676b27eecec

  • SHA512

    3c888e334ddcea60a716dcefad7fee34f3972e9b0b912b9c8584866b9d76d80864bb3d3a50a9091610f64ee2595b5f3daf665f5e6e8575d477b16acfd8bb72ef

Malware Config

Targets

    • Target

      bot23.bat

    • Size

      330B

    • MD5

      1137487e0274c696ee5378b5a01f0cdf

    • SHA1

      9375478018a5b4a6c1c8bcf7ef20ecef36c2e700

    • SHA256

      2c6e184f8ab0d72b37893c0ccc202067edf0957492bba85ef2fa2676b27eecec

    • SHA512

      3c888e334ddcea60a716dcefad7fee34f3972e9b0b912b9c8584866b9d76d80864bb3d3a50a9091610f64ee2595b5f3daf665f5e6e8575d477b16acfd8bb72ef

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks