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General

  • Target

    d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe

  • Size

    554KB

  • Sample

    240418-cjn6xagc75

  • MD5

    58bc73ec78ca87e9fc1b1a39f6b2148c

  • SHA1

    6b7ee6fa1970350afafaccaa5205c3ea68d03868

  • SHA256

    d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5

  • SHA512

    dd9129d77f379b8a29470328fe09dbda4cc55d485ae875d7ffc97fb71fe2d5434e6aee213b34345a346ad46dda8843e4907fee52fe5dea8aed71d8d52c9eeb23

  • SSDEEP

    12288:aT6D4xSSas/isvlcmAfW8FP7r9r/+ppppppppppppppppppppppppppppp0G:aT6D4xSBsZbUT1q

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe

    • Size

      554KB

    • MD5

      58bc73ec78ca87e9fc1b1a39f6b2148c

    • SHA1

      6b7ee6fa1970350afafaccaa5205c3ea68d03868

    • SHA256

      d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5

    • SHA512

      dd9129d77f379b8a29470328fe09dbda4cc55d485ae875d7ffc97fb71fe2d5434e6aee213b34345a346ad46dda8843e4907fee52fe5dea8aed71d8d52c9eeb23

    • SSDEEP

      12288:aT6D4xSSas/isvlcmAfW8FP7r9r/+ppppppppppppppppppppppppppppp0G:aT6D4xSBsZbUT1q

    • 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 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

    • 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