General

  • Target

    6920c634a8a445c00f57c8ed411264860f0b92dd6e7c9d2c5ee8179f55bff2ef.exe

  • Size

    349KB

  • Sample

    240221-d4yfrabc48

  • MD5

    a85810a9b80fe17d668259c01c1603e5

  • SHA1

    790ddb6b381c0f7977cc9b2b3748b843232ff564

  • SHA256

    6920c634a8a445c00f57c8ed411264860f0b92dd6e7c9d2c5ee8179f55bff2ef

  • SHA512

    872aa8bd40dd466a01bf11a3fa212704de9d940da927b22865bf5b46e2dbc6370af0a06d28926faf45ab3e216cefb0e82dc3a4f27000fc675fdd296c0d0660a5

  • SSDEEP

    6144:aCYtWRfItuEJsAoDME7EGiBeTppUYV1SWBjqvm3d3ZhZ/YBZNh3WbYFv7QQ5CF:lYtY0Py7BiBeVVNVqGdpQJhmbYFEQ5C

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6503501882:AAHzwfPKwz5bDsqo7kVyrLyEhohlpm0y3Pk/

Targets

    • Target

      6920c634a8a445c00f57c8ed411264860f0b92dd6e7c9d2c5ee8179f55bff2ef.exe

    • Size

      349KB

    • MD5

      a85810a9b80fe17d668259c01c1603e5

    • SHA1

      790ddb6b381c0f7977cc9b2b3748b843232ff564

    • SHA256

      6920c634a8a445c00f57c8ed411264860f0b92dd6e7c9d2c5ee8179f55bff2ef

    • SHA512

      872aa8bd40dd466a01bf11a3fa212704de9d940da927b22865bf5b46e2dbc6370af0a06d28926faf45ab3e216cefb0e82dc3a4f27000fc675fdd296c0d0660a5

    • SSDEEP

      6144:aCYtWRfItuEJsAoDME7EGiBeTppUYV1SWBjqvm3d3ZhZ/YBZNh3WbYFv7QQ5CF:lYtY0Py7BiBeVVNVqGdpQJhmbYFEQ5C

    • 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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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 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.

    • Adds Run key to start application

    • 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