General

  • Target

    341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d.exe

  • Size

    844KB

  • Sample

    240522-bpjmyafg59

  • MD5

    86d5e5828188e11e4891539759215c8d

  • SHA1

    69e7c0c2bb28294880627e59eb6dccc3dd5764be

  • SHA256

    341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

  • SHA512

    fb5d796c9d04ba2e429c2fc2bc001bc596501304621c6fe57be280e994999d55403b118c174c361c179ad021f16434c57c447ce2c3194d97224d2d6750eaa062

  • SSDEEP

    12288:Z3x504bFtx504bFWx8Iv9WJpTpOeWOb8tcDVisnHqZz3+ExMywscfJH37M:xw4bjw4bfOspTJWObj1nKN3l2ymX7

Malware Config

Extracted

Family

agenttesla

Credentials

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

Extracted

Credentials

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

Targets

    • Target

      341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d.exe

    • Size

      844KB

    • MD5

      86d5e5828188e11e4891539759215c8d

    • SHA1

      69e7c0c2bb28294880627e59eb6dccc3dd5764be

    • SHA256

      341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

    • SHA512

      fb5d796c9d04ba2e429c2fc2bc001bc596501304621c6fe57be280e994999d55403b118c174c361c179ad021f16434c57c447ce2c3194d97224d2d6750eaa062

    • SSDEEP

      12288:Z3x504bFtx504bFWx8Iv9WJpTpOeWOb8tcDVisnHqZz3+ExMywscfJH37M:xw4bjw4bfOspTJWObj1nKN3l2ymX7

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks