General

  • Target

    http://web.archive.org

  • Sample

    240713-sr5fvsybjg

Malware Config

Extracted

Family

xworm

Version

3.1

C2

behind-him.at.ply.gg:27180

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Extracted

Family

quasar

Attributes
  • reconnect_delay

    5000

Extracted

Family

quasar

Version

1.4.0

Botnet

v15.4.1 | Venom

C2

dofucks.com:12482

private115.duckdns.org:12482

Mutex

adf10731-c83d-4166-9137-39d0b1e48856

Attributes
  • encryption_key

    C84CB6134701741C5122A14FACDB67C8CFA9C0AB

  • install_name

    .exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    $sxr-seroxen

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

127.0.0.1:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Xworm Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks