Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 06:22

General

  • Target

    dwdwdw.exe

  • Size

    3.1MB

  • MD5

    2918c8a614e88697a74fa44db27518f0

  • SHA1

    e7f6f4cf9e8cb900e71633b628b3a3b54e90a179

  • SHA256

    ace4ac0da20b7e8b91205196f973a80e117bc4cede40ea445e851382567456a4

  • SHA512

    f452b243d7ed593e4d22481e02431773687f1c61783ecebf70bb8e80ce17332b9f1c1a4cb21760770dcbb0adef22ab6c4196089b50a2565ba2da4d962b22b8e3

  • SSDEEP

    49152:VHobtR1o2PmNXo7WCr5lkcXcIYXrYdyQTHHB72eh2NT:VHmRvmNXo7WCr5lkcXcI6/

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

147.185.221.18:42996

147.185.221.18:1770

Mutex

c2e1b18a-ce93-436d-ad8b-21bf89015e19

Attributes
  • encryption_key

    9E968F05BD874BA1BE086FD1774A027473823F49

  • 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:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2136-0-0x000007FEF50A3000-0x000007FEF50A4000-memory.dmp

    Filesize

    4KB

  • memory/2136-1-0x0000000001120000-0x0000000001444000-memory.dmp

    Filesize

    3.1MB

  • memory/2136-2-0x000007FEF50A0000-0x000007FEF5A8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2136-3-0x000007FEF50A3000-0x000007FEF50A4000-memory.dmp

    Filesize

    4KB

  • memory/2136-4-0x000007FEF50A0000-0x000007FEF5A8C000-memory.dmp

    Filesize

    9.9MB