General

  • Target

    0a587dc9572e769d5263668453663402c91692a07caaa0ef52032b72c4b76470

  • Size

    768KB

  • Sample

    240522-b766ysge26

  • MD5

    07ae063e91c1a35cea251b0ec2153d08

  • SHA1

    30c5a00dbf9079fd5b866c6d249a7bd2e09a305e

  • SHA256

    0a587dc9572e769d5263668453663402c91692a07caaa0ef52032b72c4b76470

  • SHA512

    aa4747a36c8a03f9679ce58284945873556797f7296e58cf9c4919f7ea5a623177828a98a1d9033a7d99681c131baad315dcae1ee2cc5143b132b10f41cd1b81

  • SSDEEP

    24576:a24b/zwoK/Lx5HxOZPOgMq49D0kNTIHyEGoNFcbbpZ:a24b/zwXoPOg6oehToN83

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cozuns.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ku;_MUOVC3;E

Targets

    • Target

      ESY61093I5N01.exe

    • Size

      836KB

    • MD5

      9b2e2e8f8744108fda24cfeb7c90fbf1

    • SHA1

      e8361e5daf928bdf883fd61314d26c6c05dcee48

    • SHA256

      1298254d450918ec0d6a4b5d5c433379ab4dd2400f05faaac525a5b30212659e

    • SHA512

      a2ef8801e9c28929f5a5ed03d25bec151c225b79cdeb1f71e4e56e282778a1c4d8450d7d15001cd44b9abdd039e0ac5cf6232095dafa8eb04f5ffbb90660d913

    • SSDEEP

      24576:Cw4bjw4bp/LxjHlOZBO+Mo49/0a/F8xsKNMD7:Cw4bjw4bbkBO+OMX3a

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks