Overview

overview

10

Static

static

10

runtimebroker.exe

windows7-x64

10

runtimebroker.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    runtimebroker.exe

  • Size

    3.1MB

  • Sample

    241216-g7rddsyjh1

  • MD5

    a29d070abe87b2be24892421e0c763bb

  • SHA1

    383104c7c6956a98ae5f63c743250f737700f509

  • SHA256

    00bdef606eb20070701dfc27ed4578c25f5e3357e969ef25ba07ab251450c636

  • SHA512

    6d2a161e8193ed3e05443bd76652b958990f01d2cc2452185f58a5bff3031d268e2fe71c009fa4938ac1cbc914ba2163133079f8218f1c67b0758f594a67f969

  • SSDEEP

    49152:Pvht62XlaSFNWPjljiFa2RoUYIygJCKI/nwoGdYTHHB72eh2NT:PvL62XlaSFNWPjljiFXRoUYIygJCi

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

interestingsigma.hopto.org:20

Mutex

11bbf22e-826e-486b-b024-adbd86228a9e

Attributes
  • encryption_key

    7A589EDBC6A581E125BF830EF0D05FC74BB75E30

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ctfmon

  • subdirectory

    SubDir

Targets

    • Target

      runtimebroker.exe

    • Size

      3.1MB

    • MD5

      a29d070abe87b2be24892421e0c763bb

    • SHA1

      383104c7c6956a98ae5f63c743250f737700f509

    • SHA256

      00bdef606eb20070701dfc27ed4578c25f5e3357e969ef25ba07ab251450c636

    • SHA512

      6d2a161e8193ed3e05443bd76652b958990f01d2cc2452185f58a5bff3031d268e2fe71c009fa4938ac1cbc914ba2163133079f8218f1c67b0758f594a67f969

    • SSDEEP

      49152:Pvht62XlaSFNWPjljiFa2RoUYIygJCKI/nwoGdYTHHB72eh2NT:PvL62XlaSFNWPjljiFXRoUYIygJCi

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks