Analysis

  • max time kernel
    1489s
  • max time network
    1509s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12-05-2024 02:53

General

  • Target

    SynV2.exe

  • Size

    3.1MB

  • MD5

    007e5cb679d162307ae1e97aae6b60bb

  • SHA1

    a03429b7d5bf4fbe507863f110782b17b3de98ef

  • SHA256

    82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7

  • SHA512

    eb2298577149e34238475eee4329ac031efe4433ca8d3b9951bc1914c52e633a8c4b1034c4ff9b6f79364250cede584b25d9c13556f4fe35ec6be5ac0661a2c0

  • SSDEEP

    49152:pvjt62XlaSFNWPjljiFa2RoUYI204lhhgvJ6EoGdxsTHHB72eh2NT:pvx62XlaSFNWPjljiFXRoUYIchm

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Shiba

C2

sites-mood.gl.at.ply.gg:50107

Mutex

987c652c-2a4e-4c5d-bc39-00c8c0f35c5c

Attributes
  • encryption_key

    A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7

  • install_name

    $sxr-insta.exe

  • log_directory

    $sxr-logs

  • reconnect_delay

    1000

  • startup_key

    $sxr-mstha

  • subdirectory

    $sxr-start

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).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SynV2.exe
    "C:\Users\Admin\AppData\Local\Temp\SynV2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:248
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WECt5qbVe4uh.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:1456
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • Runs ping.exe
          PID:240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\WECt5qbVe4uh.bat

      Filesize

      206B

      MD5

      7a3ae99ba8fd1b1b95c3cf21e07ca3cb

      SHA1

      0f1ecc9f9cb2786f290f0549caf75032a211fa48

      SHA256

      8dd74b7b95787f74524f1ed86afcdabdb05a6147916a82246a1b0a4f6b74bd65

      SHA512

      842587054a6172e103c793b306ed9d0e3260e8babe6f4453f9487929d47ac6384b68b688953a3b870c4cf18d2ca0bfb2e415356474371e466a2324f0d8757912

    • memory/248-0-0x00007FFF7D5D3000-0x00007FFF7D5D5000-memory.dmp

      Filesize

      8KB

    • memory/248-1-0x0000000000910000-0x0000000000C34000-memory.dmp

      Filesize

      3.1MB

    • memory/248-2-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

      Filesize

      10.8MB

    • memory/248-3-0x0000000001F20000-0x0000000001F70000-memory.dmp

      Filesize

      320KB

    • memory/248-4-0x000000001BE90000-0x000000001BF42000-memory.dmp

      Filesize

      712KB

    • memory/248-5-0x0000000001A20000-0x0000000001A32000-memory.dmp

      Filesize

      72KB

    • memory/248-6-0x0000000001F70000-0x0000000001FAC000-memory.dmp

      Filesize

      240KB

    • memory/248-7-0x00007FFF7D5D3000-0x00007FFF7D5D5000-memory.dmp

      Filesize

      8KB

    • memory/248-8-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

      Filesize

      10.8MB

    • memory/248-13-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

      Filesize

      10.8MB