General

  • Target

    20b88c89c50d71a77a0f2e1007a39cdb0b78f44c8507d3b492e8875a44861279.exe

  • Size

    860KB

  • Sample

    250110-rflc6sylcm

  • MD5

    aac6e12f57c5e384767f42ba7809a66b

  • SHA1

    665522465ccffb1fde659a7c072d6c0ff6b24b61

  • SHA256

    20b88c89c50d71a77a0f2e1007a39cdb0b78f44c8507d3b492e8875a44861279

  • SHA512

    31a9c2bfdf91c3730646a8a5f92ac78e0a32f627025c36dbb10c3f36af19d666d4e1ab9d0466aea51d817297d5dc5aaaf624ff0f1f73d2aa36cd056782d7ab0a

  • SSDEEP

    12288:EhF0yHZA08tzXpjfDW6Kf00/0Zp2cbNMGpaIQyIc:UBopjrR800/0Zp2cJ/paIN7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Targets

    • Target

      20b88c89c50d71a77a0f2e1007a39cdb0b78f44c8507d3b492e8875a44861279.exe

    • Size

      860KB

    • MD5

      aac6e12f57c5e384767f42ba7809a66b

    • SHA1

      665522465ccffb1fde659a7c072d6c0ff6b24b61

    • SHA256

      20b88c89c50d71a77a0f2e1007a39cdb0b78f44c8507d3b492e8875a44861279

    • SHA512

      31a9c2bfdf91c3730646a8a5f92ac78e0a32f627025c36dbb10c3f36af19d666d4e1ab9d0466aea51d817297d5dc5aaaf624ff0f1f73d2aa36cd056782d7ab0a

    • SSDEEP

      12288:EhF0yHZA08tzXpjfDW6Kf00/0Zp2cbNMGpaIQyIc:UBopjrR800/0Zp2cJ/paIN7

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • 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 Enterprise v15

Tasks