General

  • Target

    9e1276a64065335038649c9c55137633d4b02b0a3d564635f621f41b5890b326

  • Size

    3.1MB

  • Sample

    240417-cmmr9aba33

  • MD5

    e9633057e16f92098ddc3a798feeaff2

  • SHA1

    3923362ecc24bbc6c61eda73caecaccb83511573

  • SHA256

    9e1276a64065335038649c9c55137633d4b02b0a3d564635f621f41b5890b326

  • SHA512

    48b60794cf45127452de0b69f9275de62243e3ef5c7f65b7c7f0701d1cbc91b1fe1e6e7b8f5d543298ab88692210e60ca50b0b88f2d4221c3d7190eb0aaeb3a9

  • SSDEEP

    49152:3vrI22SsaNYfdPBldt698dBcjHXXo8dpDVoGdi5THHB72eh2NT:3vU22SsaNYfdPBldt6+dBcjHnoe

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

LunasLove-64385.portmap.host:64385

Mutex

508f4b75-ce7c-432c-b5a7-7763b93b6ac5

Attributes
  • encryption_key

    76EBDC42E51E79D0A828180D2490940F63BFFF8C

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsClient

  • subdirectory

    SubDir

Targets

    • Target

      9e1276a64065335038649c9c55137633d4b02b0a3d564635f621f41b5890b326

    • Size

      3.1MB

    • MD5

      e9633057e16f92098ddc3a798feeaff2

    • SHA1

      3923362ecc24bbc6c61eda73caecaccb83511573

    • SHA256

      9e1276a64065335038649c9c55137633d4b02b0a3d564635f621f41b5890b326

    • SHA512

      48b60794cf45127452de0b69f9275de62243e3ef5c7f65b7c7f0701d1cbc91b1fe1e6e7b8f5d543298ab88692210e60ca50b0b88f2d4221c3d7190eb0aaeb3a9

    • SSDEEP

      49152:3vrI22SsaNYfdPBldt698dBcjHXXo8dpDVoGdi5THHB72eh2NT:3vU22SsaNYfdPBldt6+dBcjHnoe

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing common artifacts observed in infostealers

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks