General

  • Target

    oBMlky3Rkm7h5QK.exe

  • Size

    744KB

  • Sample

    240327-k17zcaca6v

  • MD5

    596365c750c4f8e60a966e220e35e7d9

  • SHA1

    234b7114f19589e1768670361e2a4cd7328f8c75

  • SHA256

    e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c

  • SHA512

    5679cc3bca181e417de60f4f8c473a17445405eb32f0e37855111ba5f6b8a95cc22225628da8c0227078177342ad3f9a1b9c3b985e04aff086d0a7e626e20047

  • SSDEEP

    12288:akz4ayww0uLdzCeXEdFGpQCDsmIag2Sh7unpPcmg5I0i4DVlupWXAhT:UajazCe0dFoQQs55h7uVoG0dDVlup+

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      oBMlky3Rkm7h5QK.exe

    • Size

      744KB

    • MD5

      596365c750c4f8e60a966e220e35e7d9

    • SHA1

      234b7114f19589e1768670361e2a4cd7328f8c75

    • SHA256

      e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c

    • SHA512

      5679cc3bca181e417de60f4f8c473a17445405eb32f0e37855111ba5f6b8a95cc22225628da8c0227078177342ad3f9a1b9c3b985e04aff086d0a7e626e20047

    • SSDEEP

      12288:akz4ayww0uLdzCeXEdFGpQCDsmIag2Sh7unpPcmg5I0i4DVlupWXAhT:UajazCe0dFoQQs55h7uVoG0dDVlup+

    • 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

    • 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

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