General

  • Target

    bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

  • Size

    772KB

  • Sample

    240523-rkg7baea86

  • MD5

    f0be9493ae223f78ef2b7218f388ae87

  • SHA1

    69a0ad09c3b7c919d4f5c8729033f3a1db10a662

  • SHA256

    bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73

  • SHA512

    c30768325e0478a7fa14d0c8726852dcdb5e0cfc982df4bb2477c04b223c156d58a1d1e8b1969398ca90625ada2338c78130218a70db6f6d9f00fe72ab644d85

  • SSDEEP

    12288:KqTXJtaEc4qxpRzsqIaEa8hIcQqBjAq3SR7yNAwXtVYw1G3yFmGmhUD397rP+2/I:R9tuv/D0Lqqi2Ce1OiI

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

    • Size

      772KB

    • MD5

      f0be9493ae223f78ef2b7218f388ae87

    • SHA1

      69a0ad09c3b7c919d4f5c8729033f3a1db10a662

    • SHA256

      bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73

    • SHA512

      c30768325e0478a7fa14d0c8726852dcdb5e0cfc982df4bb2477c04b223c156d58a1d1e8b1969398ca90625ada2338c78130218a70db6f6d9f00fe72ab644d85

    • SSDEEP

      12288:KqTXJtaEc4qxpRzsqIaEa8hIcQqBjAq3SR7yNAwXtVYw1G3yFmGmhUD397rP+2/I:R9tuv/D0Lqqi2Ce1OiI

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks