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General

  • Target

    0x000600000001946e-14.dat

  • Size

    556KB

  • Sample

    250322-gjmejaspw5

  • MD5

    85410a49050c880d856c15b4c958d86d

  • SHA1

    f520f25b5cd537b1060d8ca66f53bac745f8f8fa

  • SHA256

    9365b6cee47eecc6eab2c6d138f0d5714c31ff1473143ce14ce874eb896f01b3

  • SHA512

    94ac76b3fb61b14f39b9cc9848d530842c834ae32efede2da7c5ce3d062940a788391d7b22e888ec5b024dba7437ef043ee11554fe62509e1f71ee202791f7d5

  • SSDEEP

    12288:QusTy3x2mUEiLYStKT7yFPb2bNRZGU6rCUk:Qq3nUIStKHIPbcNREo

Malware Config

Extracted

Family

quasar

Version

1.5.0

Botnet

Office04

C2

movies-concerning.gl.at.ply.gg:12712

Mutex

5f7b0195-4eaf-4ae9-b4f8-cc2f6f6c4eb3

Attributes
  • encryption_key

    27AAC11A05508545506D258070495FCDA9A82735

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      0x000600000001946e-14.dat

    • Size

      556KB

    • MD5

      85410a49050c880d856c15b4c958d86d

    • SHA1

      f520f25b5cd537b1060d8ca66f53bac745f8f8fa

    • SHA256

      9365b6cee47eecc6eab2c6d138f0d5714c31ff1473143ce14ce874eb896f01b3

    • SHA512

      94ac76b3fb61b14f39b9cc9848d530842c834ae32efede2da7c5ce3d062940a788391d7b22e888ec5b024dba7437ef043ee11554fe62509e1f71ee202791f7d5

    • SSDEEP

      12288:QusTy3x2mUEiLYStKT7yFPb2bNRZGU6rCUk:Qq3nUIStKHIPbcNREo

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks