General

  • Target

    Trojan.MSIL.Taskun.AMA.MTB-c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85-NeikiAnalytics

  • Size

    699KB

  • Sample

    240915-r3r48sybnb

  • MD5

    ace395f2b26c4c2cacdac246367c2060

  • SHA1

    28a7e06e9c884a6bd19e2a72a707deddc926c8f7

  • SHA256

    c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85

  • SHA512

    38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be

  • SSDEEP

    12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Targets

    • Target

      Trojan.MSIL.Taskun.AMA.MTB-c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85-NeikiAnalytics

    • Size

      699KB

    • MD5

      ace395f2b26c4c2cacdac246367c2060

    • SHA1

      28a7e06e9c884a6bd19e2a72a707deddc926c8f7

    • SHA256

      c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85

    • SHA512

      38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be

    • SSDEEP

      12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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