General

  • Target

    20205ee834a7f1d7e44e139697b1ed8600a3301a5029cbfe9db8dd8a3ae13f20.exe

  • Size

    35KB

  • Sample

    240604-bgap3afg5s

  • MD5

    f400361c7ea460fe440409388300e3ea

  • SHA1

    d0579e58bd29087a4bfe46422b2779fb369716aa

  • SHA256

    20205ee834a7f1d7e44e139697b1ed8600a3301a5029cbfe9db8dd8a3ae13f20

  • SHA512

    147e923f1d7522c369096622c70a61247148c4e8c105bf63d9636db44cff8658bb4b95dee5b0f4511e2dcd4ce3458bc1434a6cc0636637f9f2e9e091e34878d0

  • SSDEEP

    768:8Kyx3cudoTQDEyYSh2YIXjIEBDGiBDGZ3h0b:FPTQDEyYSh2Jju3h0b

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    coleoffice.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    RGQjHeTCy8d7

Targets

    • Target

      20205ee834a7f1d7e44e139697b1ed8600a3301a5029cbfe9db8dd8a3ae13f20.exe

    • Size

      35KB

    • MD5

      f400361c7ea460fe440409388300e3ea

    • SHA1

      d0579e58bd29087a4bfe46422b2779fb369716aa

    • SHA256

      20205ee834a7f1d7e44e139697b1ed8600a3301a5029cbfe9db8dd8a3ae13f20

    • SHA512

      147e923f1d7522c369096622c70a61247148c4e8c105bf63d9636db44cff8658bb4b95dee5b0f4511e2dcd4ce3458bc1434a6cc0636637f9f2e9e091e34878d0

    • SSDEEP

      768:8Kyx3cudoTQDEyYSh2YIXjIEBDGiBDGZ3h0b:FPTQDEyYSh2Jju3h0b

    • 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 executables packed with SmartAssembly

    • 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.

    • 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