General

  • Target

    275f0215c61c0ac28c4da0e355f33fabdf5709dfc46eca4249a76f7925805030.exe

  • Size

    610KB

  • Sample

    240319-clgjvaee69

  • MD5

    ba1edecb30690e596d931cf8c1c6662e

  • SHA1

    013af08233848b25a7a03c04bafb61edb1ccd607

  • SHA256

    275f0215c61c0ac28c4da0e355f33fabdf5709dfc46eca4249a76f7925805030

  • SHA512

    20fad89e80ade75d348e35962443dda4c5517ee752760a6ff161c21818487ca57cc522ae472be831e3a68c44a19b16bdb16a0cbf26a9d8f1ef9fd5ee414b5737

  • SSDEEP

    12288:TWvDUdCU/ng/wNE5s3KEPDnrLePB9UYWYiXgRh:SvD7U/nq++saCjgB6lQ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp8nl.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Targets

    • Target

      275f0215c61c0ac28c4da0e355f33fabdf5709dfc46eca4249a76f7925805030.exe

    • Size

      610KB

    • MD5

      ba1edecb30690e596d931cf8c1c6662e

    • SHA1

      013af08233848b25a7a03c04bafb61edb1ccd607

    • SHA256

      275f0215c61c0ac28c4da0e355f33fabdf5709dfc46eca4249a76f7925805030

    • SHA512

      20fad89e80ade75d348e35962443dda4c5517ee752760a6ff161c21818487ca57cc522ae472be831e3a68c44a19b16bdb16a0cbf26a9d8f1ef9fd5ee414b5737

    • SSDEEP

      12288:TWvDUdCU/ng/wNE5s3KEPDnrLePB9UYWYiXgRh:SvD7U/nq++saCjgB6lQ

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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