General

  • Target

    7d8a3cc2392ce50d2f75137711acb7358d30157108bfb221c509b0afbab197ec.exe

  • Size

    689KB

  • Sample

    240701-pk183s1fpa

  • MD5

    61892612c6e00ea0df4b49338aca144f

  • SHA1

    1a4a08f7cc7b24b3d47baa91a7579c06ffd24d94

  • SHA256

    7d8a3cc2392ce50d2f75137711acb7358d30157108bfb221c509b0afbab197ec

  • SHA512

    cf1d1719df5e78b48e1327487344b7c2aea162cfb0e1a2f0841473da67ef15a2f1f9e8f877cb11dd99ba6811e8feb6c720b45d4051c5e24524496233387250f0

  • SSDEEP

    12288:9lSXz6Tl0L10G3fiOuAsqQod6peqV4xz4MhNsgqZ5ntjOs:iuS10EsqHpq6xz4Mh4Z5j

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      7d8a3cc2392ce50d2f75137711acb7358d30157108bfb221c509b0afbab197ec.exe

    • Size

      689KB

    • MD5

      61892612c6e00ea0df4b49338aca144f

    • SHA1

      1a4a08f7cc7b24b3d47baa91a7579c06ffd24d94

    • SHA256

      7d8a3cc2392ce50d2f75137711acb7358d30157108bfb221c509b0afbab197ec

    • SHA512

      cf1d1719df5e78b48e1327487344b7c2aea162cfb0e1a2f0841473da67ef15a2f1f9e8f877cb11dd99ba6811e8feb6c720b45d4051c5e24524496233387250f0

    • SSDEEP

      12288:9lSXz6Tl0L10G3fiOuAsqQod6peqV4xz4MhNsgqZ5ntjOs:iuS10EsqHpq6xz4Mh4Z5j

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks