General

  • Target

    c38a9cad8f02a27d964e29ef99443b799d1c4b18ea7469ac2074f63ad0a08944

  • Size

    1.2MB

  • Sample

    240330-by65laeb3w

  • MD5

    81850f362317b5665dff2ad6d0399b9a

  • SHA1

    f55321c16db7f9d29ae428736f14b30b6a376109

  • SHA256

    c38a9cad8f02a27d964e29ef99443b799d1c4b18ea7469ac2074f63ad0a08944

  • SHA512

    37d158066807b6418e8fa773f9405d69fef4ab4617e506a6a8e7f79f056cd89719c94635991ce3b1296102a7fa1ac35ed90690e7c19e2d1c696a9678bcef3eef

  • SSDEEP

    12288:aJLK1uOvHlmy5avPrKNItnlKaAzMvWTBr23Ca672ATr+0mB40ekrGkN:kiuOvHlEvKaAzMp3lhyNgN

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.scootero.cl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Dangote1235$

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Insurance.exe

    • Size

      696KB

    • MD5

      9709d3c902365229f471d4215530b41b

    • SHA1

      d8b1aa835841176e9406f4689b4963a7fbaae403

    • SHA256

      78891b586defb8b94d0bfbe543a2b1d86d79306a371b40fe294c8119aadbac6f

    • SHA512

      0d3275f0aaeaf0cd53fe0deecef29204fe39d74e7e2b75fd9ba07e302d0871155433e9501672aa0648e3b14c5cf63e5d0162443849886bd0c68ded6e3a2b9fdc

    • SSDEEP

      12288:RJLK1uOvHlmy5avPrKNItnlKaAzMvWTBr23Ca672ATr+0mB40ekrGkN:niuOvHlEvKaAzMp3lhyNgN

    • 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 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

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