General

  • Target
    2026-07-16_37409f4530f6f1eea906b633903646bd_cryptbot_icedid_luca-stealer_njrat_stealc
  • Size 33.2MB
  • Sample260716-dfbl3sft2t
  • SHA256 bf93b1578a876f6bbd0368b9d91e78a5b57b499e906b7ceb8e534c1c55626153
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Attributes
  • encryption_key

    601A8BC9374B13CCF1F064E4E3BF31EEB9A6564B

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      2026-07-16_37409f4530f6f1eea906b633903646bd_cryptbot_icedid_luca-stealer_njrat_stealc
    • Size 33.2MB
    • SHA256 bf93b1578a876f6bbd0368b9d91e78a5b57b499e906b7ceb8e534c1c55626153
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables manipulated with Fody

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks