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General

  • Target

    32462924b1f299b10b84dee93c0ebc876811da42dd74c6fa942c217172a26a3f.exe

  • Size

    860KB

  • Sample

    240212-czl2gsaf37

  • MD5

    c98524cd26805079bf4d149bf3c79fa4

  • SHA1

    4eea9d637f2c24dbcc21970436027a77660a0793

  • SHA256

    32462924b1f299b10b84dee93c0ebc876811da42dd74c6fa942c217172a26a3f

  • SHA512

    3b4a240ff524c8023527a62180208da4f460f4d7185daa24ac61033b02b1a4b7d5a1aa3bfe6241d12134018100e46cd0b5dbc1e7f665f3ac0a7c0554b3c7b413

  • SSDEEP

    24576:WiO9cxBPgcy/IrkvhZz9Lnu4nKyHstOXd:WiOp/KiRsVtmd

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.elektronikkutu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9U:e3@wpS3:U7h_V

Targets

    • Target

      32462924b1f299b10b84dee93c0ebc876811da42dd74c6fa942c217172a26a3f.exe

    • Size

      860KB

    • MD5

      c98524cd26805079bf4d149bf3c79fa4

    • SHA1

      4eea9d637f2c24dbcc21970436027a77660a0793

    • SHA256

      32462924b1f299b10b84dee93c0ebc876811da42dd74c6fa942c217172a26a3f

    • SHA512

      3b4a240ff524c8023527a62180208da4f460f4d7185daa24ac61033b02b1a4b7d5a1aa3bfe6241d12134018100e46cd0b5dbc1e7f665f3ac0a7c0554b3c7b413

    • SSDEEP

      24576:WiO9cxBPgcy/IrkvhZz9Lnu4nKyHstOXd:WiOp/KiRsVtmd

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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