General

  • Target

    RFQPO.205710001QBMSPRQ0200140.js

  • Size

    4.7MB

  • Sample

    240926-qvbxlsshlf

  • MD5

    5e1cdaa87915b9b6e7d852c0b7ce272b

  • SHA1

    978f40e995fe1fd0e10f73f8b7924dd31ffb6267

  • SHA256

    3335d593c4a2f7ab94a35fd5a0991026d1800592a18cc842686d3bf6bb66503d

  • SHA512

    94e1811a87af0165989d69732d20f1c00981eeeb15ed976b01ff9afcdd41a38ff201252f8e003bba92541757603c29b80c69c897fc41cab51ad88b7698754425

  • SSDEEP

    49152:Dy0k7TbmSOqsmBdkQUUb/YnBxbb20HelA1mvpxVAm8Zp0v97quF8yAmhR/:2

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

redline

Botnet

FOZ

C2

212.162.149.53:2049

Targets

    • Target

      RFQPO.205710001QBMSPRQ0200140.js

    • Size

      4.7MB

    • MD5

      5e1cdaa87915b9b6e7d852c0b7ce272b

    • SHA1

      978f40e995fe1fd0e10f73f8b7924dd31ffb6267

    • SHA256

      3335d593c4a2f7ab94a35fd5a0991026d1800592a18cc842686d3bf6bb66503d

    • SHA512

      94e1811a87af0165989d69732d20f1c00981eeeb15ed976b01ff9afcdd41a38ff201252f8e003bba92541757603c29b80c69c897fc41cab51ad88b7698754425

    • SSDEEP

      49152:Dy0k7TbmSOqsmBdkQUUb/YnBxbb20HelA1mvpxVAm8Zp0v97quF8yAmhR/:2

    • AgentTesla

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks