Analysis

  • max time kernel
    157s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 15:28

General

  • Target
    Scries.exe
  • Size 488KB
  • Sample240508-swcawade52
  • SHA256 73fbcba5b46a4335d5baa96f30210fb1aae96faf0c5ef80b5254b3bdaba922da
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scries.exe
    "C:\Users\Admin\AppData\Local\Temp\Scries.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\Scries.exe
      "C:\Users\Admin\AppData\Local\Temp\Scries.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:5088
  • 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 --mojo-platform-channel-handle=1404 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3388

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nso27C8.tmp\System.dll
          • Size 11KB
          • SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
          • MD5 SHA1 SHA512 SSDEEP

          memory/3404-63-0x0000000004270000-0x0000000005BA0000-memory.dmp

          memory/3404-64-0x0000000004270000-0x0000000005BA0000-memory.dmp

          memory/3404-65-0x0000000076FB1000-0x00000000770D1000-memory.dmp

          memory/3404-66-0x0000000010004000-0x0000000010005000-memory.dmp

          memory/5088-67-0x0000000000400000-0x0000000001654000-memory.dmp

          memory/5088-68-0x0000000001660000-0x0000000002F90000-memory.dmp

          memory/5088-70-0x0000000077038000-0x0000000077039000-memory.dmp

          memory/5088-69-0x0000000000400000-0x0000000001654000-memory.dmp