Resubmissions

09-02-2025 18:43

250209-xc9t9azjfz 6

09-02-2025 18:18

250209-wx2tpsypex 6

09-02-2025 17:43

250209-wa19naxrgk 10

09-02-2025 17:24

250209-vynsssxnhp 8

09-02-2025 17:01

250209-vjteqsxnds 6

09-02-2025 14:35

250209-ryd2tatqek 1

09-02-2025 14:24

250209-rqq2eatnhn 7

09-02-2025 13:39

250209-qx2k2ssqdw 8

09-02-2025 13:24

250209-qndgvsslbn 6

General

  • Target

    test.txt

  • Size

    18B

  • Sample

    250205-v4szpswqgv

  • MD5

    5b3f97d48c8751bd031b7ea53545bdb6

  • SHA1

    88be3374c62f23406ec83bb11279f8423bd3f88d

  • SHA256

    d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

  • SHA512

    ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

lol

C2

dance-accident.gl.at.ply.gg:51563

Mutex

54ed8b17-3597-478c-95d1-4b1d15f372a6

Attributes
  • encryption_key

    8CD00AF856EB213642BC359A2C56F5522069C505

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      test.txt

    • Size

      18B

    • MD5

      5b3f97d48c8751bd031b7ea53545bdb6

    • SHA1

      88be3374c62f23406ec83bb11279f8423bd3f88d

    • SHA256

      d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

    • SHA512

      ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

MITRE ATT&CK Enterprise v15

Tasks