Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2023, 08:53

General

  • Target
    NEAS.49f5494506a2d18fe888d7a7fcbf4720.exe
  • Size 3.1MB
  • Sample231031-ktjceadh96
  • SHA256 4baed28dd5badd465e9a768b8d84064e6b20aad6c6500dda9d6bbc8f6f56b019
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Virus confia

C2
  • 54.94.248.37:16018

Mutex
  • 7b10fac9-5399-4b2b-b687-341ed27da403

Attributes
  • encryption_key

    708B2D5FC32857FB126AFA8BFA9E82D97613914B

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    Meu virus

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\NEAS.49f5494506a2d18fe888d7a7fcbf4720.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.49f5494506a2d18fe888d7a7fcbf4720.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4072

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4072-0-0x0000000000D40000-0x0000000001064000-memory.dmp

        memory/4072-1-0x00007FFF42BE0000-0x00007FFF436A1000-memory.dmp

        memory/4072-2-0x0000000003150000-0x0000000003160000-memory.dmp

        memory/4072-3-0x000000001CB60000-0x000000001CBB0000-memory.dmp

        memory/4072-4-0x000000001CC70000-0x000000001CD22000-memory.dmp

        memory/4072-5-0x00007FFF42BE0000-0x00007FFF436A1000-memory.dmp

        memory/4072-6-0x0000000003150000-0x0000000003160000-memory.dmp