General

  • Target

    55609db05b1043ddf05d059bd27df6dbd6f2d2a27dee393adf5e09f24abdc1a3.exe

  • Size

    718KB

  • Sample

    240612-bvdc4sxflf

  • MD5

    65238f982be2336de8b56fc2d09f92d3

  • SHA1

    6ef556b2038a27e5dcd58297fceb564c37aa65c3

  • SHA256

    55609db05b1043ddf05d059bd27df6dbd6f2d2a27dee393adf5e09f24abdc1a3

  • SHA512

    5b91af9940806f9f1928f34c551378f8b336faa40144bce2d64d33d050627a77ceee551cb22651429e35e3a5b4379c961f6d0d41b171bcd5b84d0e89f8386f95

  • SSDEEP

    12288:QaCR5leZlNNxcJDmspfbznN30h6B02FQ7fNVeubXqeIjW2AHtx5czT3uh0:B+er0Dms9brN30wBbQ7fDNIK4T3N

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.jeepcommerce.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Cgn+Udqt0F%y

Targets

    • Target

      55609db05b1043ddf05d059bd27df6dbd6f2d2a27dee393adf5e09f24abdc1a3.exe

    • Size

      718KB

    • MD5

      65238f982be2336de8b56fc2d09f92d3

    • SHA1

      6ef556b2038a27e5dcd58297fceb564c37aa65c3

    • SHA256

      55609db05b1043ddf05d059bd27df6dbd6f2d2a27dee393adf5e09f24abdc1a3

    • SHA512

      5b91af9940806f9f1928f34c551378f8b336faa40144bce2d64d33d050627a77ceee551cb22651429e35e3a5b4379c961f6d0d41b171bcd5b84d0e89f8386f95

    • SSDEEP

      12288:QaCR5leZlNNxcJDmspfbznN30h6B02FQ7fNVeubXqeIjW2AHtx5czT3uh0:B+er0Dms9brN30wBbQ7fDNIK4T3N

    • 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

    • 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.

    • 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