General

  • Target

    SecuriteInfo.com.Heur.25013.20090.exe

  • Size

    631KB

  • Sample

    240429-vwd6ksgd7v

  • MD5

    26aa84b983564ccd62143b164ffa7f62

  • SHA1

    df39b8d79ca797d9dc594f62d705682b4ec7d634

  • SHA256

    3029eb76575a110e9bfeadcee488cb4db00d25da6d8529e48d49f2fee0770f80

  • SHA512

    ebc73b0faeb5886ff5910fc69d93293de875098ffb66037508e70f1a8c922312952a5d8341aa856787e4ffa670fc01fb40b288c067dba4aaec5e7c886c74bcf6

  • SSDEEP

    12288:mZMAvNlMfHJ2zJWfs+Pk8xVv5x9+AeVmxgU5hT3ETB778Qm:jAw2zJWfs+s8HjnXgWhUTB0

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SecuriteInfo.com.Heur.25013.20090.exe

    • Size

      631KB

    • MD5

      26aa84b983564ccd62143b164ffa7f62

    • SHA1

      df39b8d79ca797d9dc594f62d705682b4ec7d634

    • SHA256

      3029eb76575a110e9bfeadcee488cb4db00d25da6d8529e48d49f2fee0770f80

    • SHA512

      ebc73b0faeb5886ff5910fc69d93293de875098ffb66037508e70f1a8c922312952a5d8341aa856787e4ffa670fc01fb40b288c067dba4aaec5e7c886c74bcf6

    • SSDEEP

      12288:mZMAvNlMfHJ2zJWfs+Pk8xVv5x9+AeVmxgU5hT3ETB778Qm:jAw2zJWfs+s8HjnXgWhUTB0

    • 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.

    • 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

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

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