General

  • Target

    c196286c4abe88a9242b9f619c261571a658244e4e77272e33dd2527606087a0.exe

  • Size

    551B

  • Sample

    250108-thh2yaxpej

  • MD5

    2ffd76a01df2c01b424688a63c8f769e

  • SHA1

    2cabb8e5854db69ae9d836deea7c554df6404d10

  • SHA256

    c196286c4abe88a9242b9f619c261571a658244e4e77272e33dd2527606087a0

  • SHA512

    6ce5c376b98960ce6c318c7f958f5b042b15282f12f53e899449330354273d49368c32fa672e2199d4eeb8e13bfb7dcdf0d90c314a8c9559534f4c1fb500883e

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

2026

C2

win32updatess.DUCKDNS.ORG:2

Mutex

b70adc1c-122d-4b90-9f59-304d0ab81cd5

Attributes
  • encryption_key

    CE02DB1ED3D345B2461CC2276CDEEDF58EF19723

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      c196286c4abe88a9242b9f619c261571a658244e4e77272e33dd2527606087a0.exe

    • Size

      551B

    • MD5

      2ffd76a01df2c01b424688a63c8f769e

    • SHA1

      2cabb8e5854db69ae9d836deea7c554df6404d10

    • SHA256

      c196286c4abe88a9242b9f619c261571a658244e4e77272e33dd2527606087a0

    • SHA512

      6ce5c376b98960ce6c318c7f958f5b042b15282f12f53e899449330354273d49368c32fa672e2199d4eeb8e13bfb7dcdf0d90c314a8c9559534f4c1fb500883e

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks