Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 05:07

General

  • Target

    dwdwdw.exe

  • Size

    3.1MB

  • MD5

    1d2c7fbba453dd1cf4de79a6716daf93

  • SHA1

    0257ce3de31e6bd8084e5b7f101438d1fe2c7730

  • SHA256

    9fca56ce9e20354eae217b70b07955ebb8d44ea28f3a090c696e330c22cfb4da

  • SHA512

    a68ad1c392a287a7993221c3a8e0f81eda02cbd22b2584f106276e92789738ac64190c8a01ee26ca577f4351af8f09d8fe2387ca5891f5d930e998fe275601c7

  • SSDEEP

    49152:3vJlL26AaNeWgPhlmVqvMQ7XSK9/2xDRmhcorpszoGdiiTHHB72eh2NT:3vnL26AaNeWgPhlmVqkQ7XSK99Pey

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

147.185.221.18:42996

147.185.221.18:1770

Mutex

aef6df25-e90d-4712-99d2-9ec0dbe8e337

Attributes
  • encryption_key

    8BD05243304A2E80E6CB2DD2A023CA800A308299

  • 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 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\dwdwdw.exe
    "C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2976-0-0x000007FEF5E83000-0x000007FEF5E84000-memory.dmp

    Filesize

    4KB

  • memory/2976-1-0x0000000000CC0000-0x0000000000FE4000-memory.dmp

    Filesize

    3.1MB

  • memory/2976-2-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

    Filesize

    9.9MB

  • memory/2976-3-0x000007FEF5E83000-0x000007FEF5E84000-memory.dmp

    Filesize

    4KB

  • memory/2976-4-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

    Filesize

    9.9MB