General

  • Target

    Overdue Account.pdf.exe

  • Size

    670KB

  • Sample

    240429-mgrt5agc87

  • MD5

    81937e479c70381a7527b21693ab3e6c

  • SHA1

    fbac04ef1e0315bff71d908496309d731da30c75

  • SHA256

    e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452

  • SHA512

    35b56dce2a110c145a4c4bef02a5e0151835ea1f1d64891e346f77bf3ce4a3cae2b81f098e819183a2f664f28997845a22b071805e76c97a009b2f6241bbaded

  • SSDEEP

    12288:PBB778QJ5RBdmrRwANBlJi/l/XbBzN5L/ObdOC0uCnGbmSAnJGXuY7GzkR:ZBDB0rqclJeNvL/EpV5bmJKu0

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Overdue Account.pdf.exe

    • Size

      670KB

    • MD5

      81937e479c70381a7527b21693ab3e6c

    • SHA1

      fbac04ef1e0315bff71d908496309d731da30c75

    • SHA256

      e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452

    • SHA512

      35b56dce2a110c145a4c4bef02a5e0151835ea1f1d64891e346f77bf3ce4a3cae2b81f098e819183a2f664f28997845a22b071805e76c97a009b2f6241bbaded

    • SSDEEP

      12288:PBB778QJ5RBdmrRwANBlJi/l/XbBzN5L/ObdOC0uCnGbmSAnJGXuY7GzkR:ZBDB0rqclJeNvL/EpV5bmJKu0

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks