General

  • Target

    2e284063972d9c16b37eba5bf7503f6a79aab6dbc3f26b60627302be448f3897N.exe

  • Size

    6.0MB

  • Sample

    241220-g631ssspfl

  • MD5

    6b8c0e3bab587b028a11ef1aacc32b90

  • SHA1

    4c64932f679115a04005996fe7fec25984952cfb

  • SHA256

    2e284063972d9c16b37eba5bf7503f6a79aab6dbc3f26b60627302be448f3897

  • SHA512

    1e51f5f8262cabce43cd8176fdcfe78e4c796a2d840f3c6be93af559b8c8572a2496049ced6da0d76a7657d950e63b7c08bdf7254ef07ebd9f688825ad7beeb2

  • SSDEEP

    98304:zssvcXkkICDN8PEIvec1K88905+bUs9BAMgFhwvjEt88HoMyj6u2WRJtvT:tvc0khx8PScrkVjhgFhJ4Ksj

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Blackmagic Design DaVinci

C2

craftsgamer.4cloud.click:1985

Mutex

uGm7g3absZJuT8qYO2

Attributes
  • encryption_key

    wiNbJAVdnQikiC3Y0wx7

  • install_name

    Client.exe

  • log_directory

    18HD

  • reconnect_delay

    10000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2e284063972d9c16b37eba5bf7503f6a79aab6dbc3f26b60627302be448f3897N.exe

    • Size

      6.0MB

    • MD5

      6b8c0e3bab587b028a11ef1aacc32b90

    • SHA1

      4c64932f679115a04005996fe7fec25984952cfb

    • SHA256

      2e284063972d9c16b37eba5bf7503f6a79aab6dbc3f26b60627302be448f3897

    • SHA512

      1e51f5f8262cabce43cd8176fdcfe78e4c796a2d840f3c6be93af559b8c8572a2496049ced6da0d76a7657d950e63b7c08bdf7254ef07ebd9f688825ad7beeb2

    • SSDEEP

      98304:zssvcXkkICDN8PEIvec1K88905+bUs9BAMgFhwvjEt88HoMyj6u2WRJtvT:tvc0khx8PScrkVjhgFhJ4Ksj

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Looks up external IP address via web service

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks