General

  • Target

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe

  • Size

    584KB

  • Sample

    240904-bwg3pasdkp

  • MD5

    de27d5d7627ad1b480e42c6feb3ef4f5

  • SHA1

    52583149e44eb42ca8b9322a7216b6eb22717162

  • SHA256

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8

  • SHA512

    82424614d97be085e77a3a538dc31ee4113ac0822831b2ac3c472616bec4029065c81fbe148ff9e1376e71abb4379e5a0efdc2d87b7292f90d8bc5c700fd7dac

  • SSDEEP

    12288:oErlAypLIe29k0bB4VmjqPgl29WbtyLmEWdZg7dkraTD/Ml:vAypyB4VmGb9WbcV0g7WraTr

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe

    • Size

      584KB

    • MD5

      de27d5d7627ad1b480e42c6feb3ef4f5

    • SHA1

      52583149e44eb42ca8b9322a7216b6eb22717162

    • SHA256

      420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8

    • SHA512

      82424614d97be085e77a3a538dc31ee4113ac0822831b2ac3c472616bec4029065c81fbe148ff9e1376e71abb4379e5a0efdc2d87b7292f90d8bc5c700fd7dac

    • SSDEEP

      12288:oErlAypLIe29k0bB4VmjqPgl29WbtyLmEWdZg7dkraTD/Ml:vAypyB4VmGb9WbcV0g7WraTr

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks