General

  • Target

    PO#RFQ-HL51L07.exe

  • Size

    634KB

  • Sample

    221124-tvsrxaac5y

  • MD5

    0e91382bb8a69d18863e7e10fcc20131

  • SHA1

    8338d7a2616a04e059d229867874e0d96dc6bb16

  • SHA256

    e44711216aa35c3dd0be03ce3787c95a6c52388f216cf4d1f2ae6089c6a9e39d

  • SHA512

    3d56f901284768d764d58cc50b7e08f780ad72acae4be3c834bba60440a862dcc1a83fa2b2c78fd3b8405c34e65c995d3c90ff71cefd93b962e1f024d9cac469

  • SSDEEP

    12288:QIWNjJ6kAABfUnc4u18qh3Wm99Mixq5JjZ0JRANrS/IfVTVn:YGuUc4QWK9MVJOAQ/GF

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO#RFQ-HL51L07.exe

    • Size

      634KB

    • MD5

      0e91382bb8a69d18863e7e10fcc20131

    • SHA1

      8338d7a2616a04e059d229867874e0d96dc6bb16

    • SHA256

      e44711216aa35c3dd0be03ce3787c95a6c52388f216cf4d1f2ae6089c6a9e39d

    • SHA512

      3d56f901284768d764d58cc50b7e08f780ad72acae4be3c834bba60440a862dcc1a83fa2b2c78fd3b8405c34e65c995d3c90ff71cefd93b962e1f024d9cac469

    • SSDEEP

      12288:QIWNjJ6kAABfUnc4u18qh3Wm99Mixq5JjZ0JRANrS/IfVTVn:YGuUc4QWK9MVJOAQ/GF

    • 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.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks