General

  • Target

    RFQ_PO_NMG64798687gpj_.scr

  • Size

    3.5MB

  • Sample

    241004-jfhnaawbqf

  • MD5

    13131419efc2c429046b3fd0dccfdbcd

  • SHA1

    4dfa59630358e0f480297966a796eed988a7d3c0

  • SHA256

    0222985788cae5fbd6f0f22eece54ea3509fbeb939a6fb2c4046da7920ad607c

  • SHA512

    689191d51f21d1e84e08c8159fb5a10515a026e841ec823371fc916108dc95838b76557cc6572e8c2bb5d5f04b424aa6fc2783f3b30b9c8da32f555643943f20

  • SSDEEP

    98304:5qwHScn/C8plxjpG2nx5DWb5uGyh5fSgj/X3wDAHg67:5qwx68Lxzx5S+h5SgTHwDAHg67

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

redline

Botnet

FOZ

C2

212.162.149.53:2049

Targets

    • Target

      RFQ_PO_NMG64798687gpj_.scr

    • Size

      3.5MB

    • MD5

      13131419efc2c429046b3fd0dccfdbcd

    • SHA1

      4dfa59630358e0f480297966a796eed988a7d3c0

    • SHA256

      0222985788cae5fbd6f0f22eece54ea3509fbeb939a6fb2c4046da7920ad607c

    • SHA512

      689191d51f21d1e84e08c8159fb5a10515a026e841ec823371fc916108dc95838b76557cc6572e8c2bb5d5f04b424aa6fc2783f3b30b9c8da32f555643943f20

    • SSDEEP

      98304:5qwHScn/C8plxjpG2nx5DWb5uGyh5fSgj/X3wDAHg67:5qwx68Lxzx5S+h5SgTHwDAHg67

    • 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