Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2024, 08:05

General

  • Target
    skibidirat.exe
  • Size 3.1MB
  • Sample240805-jythhavcmb
  • SHA256 62e9fdaaf90da01ef28a26823e3442d73b93dc0e23d93139df631701cf6da260
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 147.185.221.18:42996

  • 147.185.221.18:1770

Mutex
  • c2e1b18a-ce93-436d-ad8b-21bf89015e19

Attributes
  • encryption_key

    9E968F05BD874BA1BE086FD1774A027473823F49

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\skibidirat.exe
    "C:\Users\Admin\AppData\Local\Temp\skibidirat.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1664

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1664-0-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

        memory/1664-1-0x0000000001060000-0x0000000001384000-memory.dmp

        memory/1664-2-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

        memory/1664-3-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

        memory/1664-4-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp