General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240602-1a1eksfe6z

  • MD5

    dc3f5eebf8ab3dd6fef8b51610d2c356

  • SHA1

    0847d42da980bafd989804386b0889c1ceb5a869

  • SHA256

    3120f15238f08b384ec85504c2ddbbc06a5b8a3f13e5e2551a6f7ad916144e49

  • SHA512

    03dd71d93e48e195af52d3b51b73e6d8896b2e67d7cb7ced3cdb2db00623032bb7e8e35a71c7c5903d6d473ad057297da0eca8664e48012ebe5e4cf6fe547f7d

  • SSDEEP

    49152:bvCI22SsaNYfdPBldt698dBcjHZKxNESE9k/ikLoGdwTHHB72eh2NT:bvP22SsaNYfdPBldt6+dBcjHAxgq

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

RAT - fake incognito

C2

192.168.4.30:4782

Mutex

d94dce9f-b2a7-4e68-b727-6888151a6b4e

Attributes
  • encryption_key

    40B0884053AA1A1D9985C8E042F5C321462F78A6

  • install_name

    Incognito.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Incognito

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      dc3f5eebf8ab3dd6fef8b51610d2c356

    • SHA1

      0847d42da980bafd989804386b0889c1ceb5a869

    • SHA256

      3120f15238f08b384ec85504c2ddbbc06a5b8a3f13e5e2551a6f7ad916144e49

    • SHA512

      03dd71d93e48e195af52d3b51b73e6d8896b2e67d7cb7ced3cdb2db00623032bb7e8e35a71c7c5903d6d473ad057297da0eca8664e48012ebe5e4cf6fe547f7d

    • SSDEEP

      49152:bvCI22SsaNYfdPBldt698dBcjHZKxNESE9k/ikLoGdwTHHB72eh2NT:bvP22SsaNYfdPBldt6+dBcjHAxgq

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Query Registry

1
T1012

Tasks