General

  • Target

    4776383f4cd8e297f81bcb0058366ca4e32b44d79e64d5fd7f4622a1afcdf497

  • Size

    548KB

  • Sample

    240430-bq8cpagb68

  • MD5

    39e6e0f908311fab6bad80b374be266f

  • SHA1

    333d1a9821fb3fff91448b5a9e2cdee04fc722b4

  • SHA256

    4776383f4cd8e297f81bcb0058366ca4e32b44d79e64d5fd7f4622a1afcdf497

  • SHA512

    cbc7811367679724ed09dbc82729cb16257a9ed1a47dfb9dd65c5b13ff27bbe2b1f21f2f40bfb8e03e83e677b371ad35d0fc91c4b6f92f7cd957932f3c5019e6

  • SSDEEP

    12288:33JDduBcdk7Bk5gznbyeBDiWGHPZPvvzlOP7r9r/+ppppppppppppppppppppppJ:HJzABWgqeti1x3RO1q

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      4776383f4cd8e297f81bcb0058366ca4e32b44d79e64d5fd7f4622a1afcdf497

    • Size

      548KB

    • MD5

      39e6e0f908311fab6bad80b374be266f

    • SHA1

      333d1a9821fb3fff91448b5a9e2cdee04fc722b4

    • SHA256

      4776383f4cd8e297f81bcb0058366ca4e32b44d79e64d5fd7f4622a1afcdf497

    • SHA512

      cbc7811367679724ed09dbc82729cb16257a9ed1a47dfb9dd65c5b13ff27bbe2b1f21f2f40bfb8e03e83e677b371ad35d0fc91c4b6f92f7cd957932f3c5019e6

    • SSDEEP

      12288:33JDduBcdk7Bk5gznbyeBDiWGHPZPvvzlOP7r9r/+ppppppppppppppppppppppJ:HJzABWgqeti1x3RO1q

    • 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