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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 06:41

General

  • Target

    9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe

  • Size

    3.1MB

  • MD5

    6b6cd0ace200ae15a3c40568bd516739

  • SHA1

    c17c2dae1f9d4a3268f51ba9acf2095171408621

  • SHA256

    9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271

  • SHA512

    4330446f193832bc3cdba0461df477ed7b27af44cce83daa7bf4c46afacee37b8e5ce7191573b23604efbeef66b2ed763adc156303e3e3927e1fc315ba22b1cd

  • SSDEEP

    49152:zvTlL26AaNeWgPhlmVqvMQ7XSKBqzRJ69bR3LoGdcsMTHHB72eh2NT:zvJL26AaNeWgPhlmVqkQ7XSKBqzRJ6P

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

100.108.37.105:4444

127.0.0.1:4444

Mutex

95a85978-c10d-4a09-935b-c02a2a18a609

Attributes
  • encryption_key

    6FDAA03D192B9C03BF83E41A8BBF78996D321E27

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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\9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
    "C:\Users\Admin\AppData\Local\Temp\9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2300-0-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

    Filesize

    4KB

  • memory/2300-1-0x0000000000A20000-0x0000000000D44000-memory.dmp

    Filesize

    3.1MB

  • memory/2300-2-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

    Filesize

    9.9MB

  • memory/2300-3-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

    Filesize

    4KB

  • memory/2300-4-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

    Filesize

    9.9MB