General

  • Target

    7562a660ba342933acbd33df05c2b0a82be9b4302fdb6c6794212b48bbd8f8df

  • Size

    641KB

  • Sample

    240430-cb3z4aha69

  • MD5

    c3bd26ab043f111d9cdfc90ec1a24553

  • SHA1

    6869f2d5f84f69e3e348ab6716cad23b836e26dd

  • SHA256

    7562a660ba342933acbd33df05c2b0a82be9b4302fdb6c6794212b48bbd8f8df

  • SHA512

    aae2090199549a8ba35fbf75dae0badbc3a80cbd1d35af3c98d2553d95d3e4a7f1c48dca31b6bf9b1f274a850b085311aa94fa96c5ccc3e84928946824a6b036

  • SSDEEP

    12288:L6I/nOpLgU/gerTRsSbW9lJ2/l/Xbtz/5LTGztDbL2XIEWXq68BL24065J7:L6I/nOxgqg8TGSUlJSRNLT0DbL2a66Zo

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