General

  • Target

    28a11a70ff2b31bebb28fa2193a39ade7ce17f4478beb57f60405ea7452e988f

  • Size

    297KB

  • Sample

    240430-brbecagf4v

  • MD5

    6f56f9adf7bc5d555743d7f9af963e1a

  • SHA1

    fcff87c7393b15e4db5db7fe9c92ea22d878aebf

  • SHA256

    28a11a70ff2b31bebb28fa2193a39ade7ce17f4478beb57f60405ea7452e988f

  • SHA512

    8d5381f64c1f084131c90344c41a8abe6b9d5f6680b2edfe8c0611386566c59b42ab8337c7d729ba3637bb2262af2a9521fee9ea166a3d02aa32405db3dd6113

  • SSDEEP

    6144:S1b5FHcTMW5dXdwYLJd+ePCCvlrnCgUhfVseeDoh1yYvczYz:S1tZBWB1aeR1CfieeDohQA

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6848173762:AAGkzL4gp0AnmZ6UfiPCUuUFvn7Vkjdjn1M/

Targets

    • Target

      28a11a70ff2b31bebb28fa2193a39ade7ce17f4478beb57f60405ea7452e988f

    • Size

      297KB

    • MD5

      6f56f9adf7bc5d555743d7f9af963e1a

    • SHA1

      fcff87c7393b15e4db5db7fe9c92ea22d878aebf

    • SHA256

      28a11a70ff2b31bebb28fa2193a39ade7ce17f4478beb57f60405ea7452e988f

    • SHA512

      8d5381f64c1f084131c90344c41a8abe6b9d5f6680b2edfe8c0611386566c59b42ab8337c7d729ba3637bb2262af2a9521fee9ea166a3d02aa32405db3dd6113

    • SSDEEP

      6144:S1b5FHcTMW5dXdwYLJd+ePCCvlrnCgUhfVseeDoh1yYvczYz:S1tZBWB1aeR1CfieeDohQA

    • AgentTesla

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

    • Checks computer location settings

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

    • Drops startup file

    • 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

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