General

  • Target

    6a5f097743ed7da46f5a35c055047d458a8831abebca6dd587f06108527c1b4e

  • Size

    371KB

  • Sample

    240523-c5jhjsbb42

  • MD5

    1a5bf27481f1f48dd1a37a66acf98c98

  • SHA1

    c4f194debedb3d398f3a077dc4d15a24f0aef363

  • SHA256

    6a5f097743ed7da46f5a35c055047d458a8831abebca6dd587f06108527c1b4e

  • SHA512

    4f517dad0bf162b872f1a3cc39cf00599b375a701ed55b4eec3a483a1205b7bce50cb8bc0f9e81f977e30afc4af4cd249c1fef546d850e443c39065ff1139288

  • SSDEEP

    6144:P/+X+HXSaNNz2gFjHF4OMjG0cpQOh84e/MLdn7JVLuzv1zerCgTtpAtd6vp:X+XMXSMcQbwcnh5eOn7ziUrrRpAa

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6760916656:AAFTROumNysgqsjoqAvyBqjbR9y3VV4we2Y/

Targets

    • Target

      6a5f097743ed7da46f5a35c055047d458a8831abebca6dd587f06108527c1b4e

    • Size

      371KB

    • MD5

      1a5bf27481f1f48dd1a37a66acf98c98

    • SHA1

      c4f194debedb3d398f3a077dc4d15a24f0aef363

    • SHA256

      6a5f097743ed7da46f5a35c055047d458a8831abebca6dd587f06108527c1b4e

    • SHA512

      4f517dad0bf162b872f1a3cc39cf00599b375a701ed55b4eec3a483a1205b7bce50cb8bc0f9e81f977e30afc4af4cd249c1fef546d850e443c39065ff1139288

    • SSDEEP

      6144:P/+X+HXSaNNz2gFjHF4OMjG0cpQOh84e/MLdn7JVLuzv1zerCgTtpAtd6vp:X+XMXSMcQbwcnh5eOn7ziUrrRpAa

    • AgentTesla

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

    • 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

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks