General

  • Target

    d167d1bcb7045883cf93f8a4dcf16f289ec82e2c68a4b23d29868770278c93b7

  • Size

    416KB

  • Sample

    220520-3r6c9shdf6

  • MD5

    a8d4efd3ec17d9f1ac7d3eb4eafe4293

  • SHA1

    b6428593817b92bf1cd0dae9785b0da1a68e4b43

  • SHA256

    d167d1bcb7045883cf93f8a4dcf16f289ec82e2c68a4b23d29868770278c93b7

  • SHA512

    24ba8b314f96b2fc759859d82aab23ff93a72983a88fab61b29ebef4ee1f050a324b576302a297e8a1cbe657555e5066f989ffa63ee44a5c44c46f9818276593

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.varda.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    varda9997929

Targets

    • Target

      shipping documents.exe

    • Size

      759KB

    • MD5

      9fb2846dca4accdd1c4fcaf212e1c6f6

    • SHA1

      b49cfbe4a19d7ab3ee7d1a33425ccc822bba3d2e

    • SHA256

      d0b71fdf377abca1c191fedeab8311dac158632edb66f3b894166686d61bfad6

    • SHA512

      9ae52ef0f49c06e650c2ede614b6ff5f3a2b6de5cc18b892c5cf72bd583a4919f160ad4c30cac8a126fdaf1e3066a7a674e471138dc70213268f597227e81616

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks