General

  • Target

    dbdca8a3ffa33284e03a1a7bd57e12ad_JaffaCakes118

  • Size

    709KB

  • Sample

    240912-fqbqyasepr

  • MD5

    dbdca8a3ffa33284e03a1a7bd57e12ad

  • SHA1

    facc92651a792c4c8abe606ca47424b4f042224b

  • SHA256

    f1f367c2bd3c1bc93a4c4a3081a3aa1072eb7a50d13927e3b5bc03c310248d3a

  • SHA512

    727cd27bfb0ffc7a9f76fd02417de92a34ef4a1ed341953b1f5c6f78f851c83d5de390d3168df89367196a3de25eb370be1c3867affc94ae6520dff22d36bd94

  • SSDEEP

    12288:UJr8tk+8yQiFDmBhfyW8vXAo+bcRkkOHia0crMIsTX:Wx+5QhfP5x7Nm

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

svhost

C2

myconect.ddns.net:6606

Mutex

VNM_MUTEX_ND6PULLW5ZVLwo1nwR

Attributes
  • encryption_key

    yaa63tXY4j55os5llHHd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      dbdca8a3ffa33284e03a1a7bd57e12ad_JaffaCakes118

    • Size

      709KB

    • MD5

      dbdca8a3ffa33284e03a1a7bd57e12ad

    • SHA1

      facc92651a792c4c8abe606ca47424b4f042224b

    • SHA256

      f1f367c2bd3c1bc93a4c4a3081a3aa1072eb7a50d13927e3b5bc03c310248d3a

    • SHA512

      727cd27bfb0ffc7a9f76fd02417de92a34ef4a1ed341953b1f5c6f78f851c83d5de390d3168df89367196a3de25eb370be1c3867affc94ae6520dff22d36bd94

    • SSDEEP

      12288:UJr8tk+8yQiFDmBhfyW8vXAo+bcRkkOHia0crMIsTX:Wx+5QhfP5x7Nm

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks