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Analysis

  • max time kernel
    101s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2024, 18:13

General

  • Target

    7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe

  • Size

    5.5MB

  • MD5

    3584fb274935562be16e0acd8481e5e4

  • SHA1

    d50373fba98e34ef9edb68750c79cbf6ee860e84

  • SHA256

    7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8

  • SHA512

    58e8d7612b533f1bdfc51b58d7e10207a74902a77e9182e3963b04e698315b0b76b95a37ef4266ea60ecf50752b56f9b86288421e5428ac170248a5f8ef8e586

  • SSDEEP

    49152:6Syf0i8IRS2kHmKVknMqLXrBaqbh0iIeLEBF07f6pIgzrw+Nmpf8Yx0fSBrTArsr:6Sw0iQ2kH/SMuUWh5

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.0.0.182:4782

Mutex

192d54ac-367d-416a-a3fb-94c9867b6bcc

Attributes
  • encryption_key

    A0116FBCBB72242E5F0C86156C74310C2835207A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe
    "C:\Users\Admin\AppData\Local\Temp\7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1596-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/1596-1-0x0000000000B40000-0x00000000010BE000-memory.dmp

    Filesize

    5.5MB

  • memory/1596-2-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-3-0x0000000001BF0000-0x0000000001BFA000-memory.dmp

    Filesize

    40KB

  • memory/1596-4-0x0000000005AB0000-0x0000000005C28000-memory.dmp

    Filesize

    1.5MB

  • memory/1596-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-6-0x0000000006AB0000-0x0000000006DD4000-memory.dmp

    Filesize

    3.1MB

  • memory/1596-7-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-8-0x0000000007A60000-0x0000000008004000-memory.dmp

    Filesize

    5.6MB

  • memory/1596-9-0x00000000062F0000-0x0000000006382000-memory.dmp

    Filesize

    584KB

  • memory/1596-10-0x0000000006470000-0x000000000647A000-memory.dmp

    Filesize

    40KB

  • memory/1596-11-0x0000000008930000-0x0000000008F48000-memory.dmp

    Filesize

    6.1MB

  • memory/1596-12-0x0000000008550000-0x00000000085A0000-memory.dmp

    Filesize

    320KB

  • memory/1596-13-0x00000000087E0000-0x0000000008892000-memory.dmp

    Filesize

    712KB

  • memory/1596-14-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/1596-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB