General

  • Target

    https://www.virustotal.com/gui/file/5795f7ad5151237b31b31a6c35f05cc84795d215a8cf5483f088a986f8d97447/detection

  • Sample

    240523-xn6xqscf65

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7078346326:AAGX1CDPoWJfjkrOoEPVVRU8q_dn7nh6dRU/

Targets

    • Target

      https://www.virustotal.com/gui/file/5795f7ad5151237b31b31a6c35f05cc84795d215a8cf5483f088a986f8d97447/detection

    • AgentTesla

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks