General

  • Target

    FlashingSoftwarePRO.exe

  • Size

    3.1MB

  • Sample

    241216-xb16qaykcm

  • MD5

    cee9f55f2ed2ad11bf3acb650277237a

  • SHA1

    3515900f7d4ba68720cb506200f2dcff401a9a6e

  • SHA256

    527ebcd94bab6471192fa739e3ee318a7781c79c5a266b0795214bce0398ed35

  • SHA512

    da46b87edbf315b88f069d2670c440fb9ea76a1bde9742855fcf80c7bbad5ea4d895c90d97d62a57782cd2572f3db7c90667aabe34e37c6bf543da6ea323d906

  • SSDEEP

    49152:/vJuf2NUaNmwzPWlvdaKM7ZxTwqky3EfsKk/WPIoGd0THHB72eh2NT:/vkf2NUaNmwzPWlvdaB7ZxTwqkyAw

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

svchost

C2

quasqy10-51732.portmap.host:4782

193.161.193.99:4782

Mutex

7d600197-9219-48e3-b7cb-1cd264aa77fa

Attributes
  • encryption_key

    BDB44181C868606DFCA1741A69056AAA62DADEFC

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    System32

Targets

    • Target

      FlashingSoftwarePRO.exe

    • Size

      3.1MB

    • MD5

      cee9f55f2ed2ad11bf3acb650277237a

    • SHA1

      3515900f7d4ba68720cb506200f2dcff401a9a6e

    • SHA256

      527ebcd94bab6471192fa739e3ee318a7781c79c5a266b0795214bce0398ed35

    • SHA512

      da46b87edbf315b88f069d2670c440fb9ea76a1bde9742855fcf80c7bbad5ea4d895c90d97d62a57782cd2572f3db7c90667aabe34e37c6bf543da6ea323d906

    • SSDEEP

      49152:/vJuf2NUaNmwzPWlvdaKM7ZxTwqky3EfsKk/WPIoGd0THHB72eh2NT:/vkf2NUaNmwzPWlvdaB7ZxTwqkyAw

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks