General

  • Target

    2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37.exe

  • Size

    238KB

  • Sample

    240522-bmm8caff87

  • MD5

    7904e6bdea1c0af90053b62bbb50064b

  • SHA1

    b27c06ae0e105e27897b0b67d59c605408d36387

  • SHA256

    2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37

  • SHA512

    3d283b306393a77bf9a36d65506faf0f7b188abdd1e2f59ef039c406debad1b9846f5eb501083495fbf44bfa3502a20a8f41a9e5d060c61104429b3d38600c24

  • SSDEEP

    3072:3Y2Panv3n/vX52K4On93AyrdhgkS4Tue5h9+5SBYr:3Cnv3n/vX52KR1R5hZDuY+E

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37.exe

    • Size

      238KB

    • MD5

      7904e6bdea1c0af90053b62bbb50064b

    • SHA1

      b27c06ae0e105e27897b0b67d59c605408d36387

    • SHA256

      2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37

    • SHA512

      3d283b306393a77bf9a36d65506faf0f7b188abdd1e2f59ef039c406debad1b9846f5eb501083495fbf44bfa3502a20a8f41a9e5d060c61104429b3d38600c24

    • SSDEEP

      3072:3Y2Panv3n/vX52K4On93AyrdhgkS4Tue5h9+5SBYr:3Cnv3n/vX52KR1R5hZDuY+E

    • 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 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.

MITRE ATT&CK Enterprise v15

Tasks