Analysis

  • max time kernel
    1795s
  • max time network
    1799s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CGs2hryDveiN.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:1004
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • Runs ping.exe
          PID:1776
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4268,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
      1⤵
        PID:2932
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3912,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
        1⤵
          PID:2316

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CGs2hryDveiN.bat

          Filesize

          206B

          MD5

          19e6b2a5f6a56d4f14b8f05b8a0c5cdd

          SHA1

          430e5a4ebdba7031409c5b8471809e9fd88f3d2d

          SHA256

          487a644a7b99d18776085113f8efb6b2e4d5cd7245822a8f61c37272502da46d

          SHA512

          b38c8ebbc3127f9a5a9737d2579427142412b556828e3f4efe3dfadde78f0e478868a7b262260f933d10bc86b47bcc6990b63ecffa9a4746809c9531d24e60f0

        • memory/2676-0-0x00007FFCC2C33000-0x00007FFCC2C35000-memory.dmp

          Filesize

          8KB

        • memory/2676-1-0x0000000000430000-0x0000000000754000-memory.dmp

          Filesize

          3.1MB

        • memory/2676-2-0x00007FFCC2C30000-0x00007FFCC36F1000-memory.dmp

          Filesize

          10.8MB

        • memory/2676-3-0x000000001B420000-0x000000001B470000-memory.dmp

          Filesize

          320KB

        • memory/2676-4-0x000000001B830000-0x000000001B8E2000-memory.dmp

          Filesize

          712KB

        • memory/2676-5-0x00000000028C0000-0x00000000028D2000-memory.dmp

          Filesize

          72KB

        • memory/2676-6-0x000000001B7B0000-0x000000001B7EC000-memory.dmp

          Filesize

          240KB

        • memory/2676-7-0x00007FFCC2C33000-0x00007FFCC2C35000-memory.dmp

          Filesize

          8KB

        • memory/2676-8-0x00007FFCC2C30000-0x00007FFCC36F1000-memory.dmp

          Filesize

          10.8MB

        • memory/2676-13-0x00007FFCC2C30000-0x00007FFCC36F1000-memory.dmp

          Filesize

          10.8MB