Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250131-x989zsvlft

  • MD5

    8e3d793135c7bbcd500a9898f9bf87f9

  • SHA1

    c49bd760c70c65ae8c6988eb6e07e4d1e034b0d4

  • SHA256

    77c7a5365e87eb2bb21ab93df1c0c126c5eeac7d252b7a82ea3a0c3c72696d28

  • SHA512

    a64b7d682d78e1a268d8c0e6b0e323919687ca604ff6905aaac7af6184825c8389c57acdae653a8f3f09f71c672768ce2b0538eba5dc71eca42411cbfe9be7c1

  • SSDEEP

    49152:LvzlL26AaNeWgPhlmVqvMQ7XSKtsRJ6vbR3LoGdXTHHB72eh2NT:LvpL26AaNeWgPhlmVqkQ7XSKtsRJ6B

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.31.81:4782

Mutex

eeab585f-b0d1-4116-86bf-2dd9d4212cc5

Attributes
  • encryption_key

    554C6E8AB4C4203FCE94ABDFD5608449D2385C7B

  • install_name

    WindowsSecurity.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Security Notifications

  • subdirectory

    Windows Files

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      8e3d793135c7bbcd500a9898f9bf87f9

    • SHA1

      c49bd760c70c65ae8c6988eb6e07e4d1e034b0d4

    • SHA256

      77c7a5365e87eb2bb21ab93df1c0c126c5eeac7d252b7a82ea3a0c3c72696d28

    • SHA512

      a64b7d682d78e1a268d8c0e6b0e323919687ca604ff6905aaac7af6184825c8389c57acdae653a8f3f09f71c672768ce2b0538eba5dc71eca42411cbfe9be7c1

    • SSDEEP

      49152:LvzlL26AaNeWgPhlmVqvMQ7XSKtsRJ6vbR3LoGdXTHHB72eh2NT:LvpL26AaNeWgPhlmVqkQ7XSKtsRJ6B

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks