General

  • Target

    e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f.exe

  • Size

    672KB

  • Sample

    240926-c2dg5aselr

  • MD5

    c0e9d65541d7c6768827d42674038baa

  • SHA1

    c536bd03202120389a6ce6230daffcc926429e49

  • SHA256

    e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f

  • SHA512

    b7dc57f194c80ea264fc361e55249e4f67f259a213382323202036345b16678f2e2c6757c3ecc82a6440f3569a45ab4bb325740a2c83a587ed50abfb57b7f962

  • SSDEEP

    12288:RgA8bQba/kEZ0GrmsyZcWGvzBBT3I68OgaGLpA682RO2wBPVlQ/kR:OIna3pScja9VA/IOFVma

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Targets

    • Target

      e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f.exe

    • Size

      672KB

    • MD5

      c0e9d65541d7c6768827d42674038baa

    • SHA1

      c536bd03202120389a6ce6230daffcc926429e49

    • SHA256

      e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f

    • SHA512

      b7dc57f194c80ea264fc361e55249e4f67f259a213382323202036345b16678f2e2c6757c3ecc82a6440f3569a45ab4bb325740a2c83a587ed50abfb57b7f962

    • SSDEEP

      12288:RgA8bQba/kEZ0GrmsyZcWGvzBBT3I68OgaGLpA682RO2wBPVlQ/kR:OIna3pScja9VA/IOFVma

    • 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 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