Analysis

  • max time kernel
    600s
  • max time network
    582s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 13:02

General

  • Target
    shifrovka.exe
  • Size 16.5MB
  • Sample260804-p91zls1dpf
  • SHA256 eb9361d8cfd98f4eba050cdb2479643195d576390e6e5e328d43f6b481dd6e39
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 TTPs 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Executes a command shell one-liner 1 TTPs 11 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 10 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\shifrovka.exe
    "C:\Users\Admin\AppData\Local\Temp\shifrovka.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Local\Temp\shifrovka.exe
      "C:\Users\Admin\AppData\Local\Temp\shifrovka.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
        • Executes a command shell one-liner
        PID:4228
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM chrome.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4868
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM chrome.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1124
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM msedge.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2080
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM msedge.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2952
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM firefox.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM firefox.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4504
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM opera.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM opera.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4712
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM brave.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM brave.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5760
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM vivaldi.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3268
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM vivaldi.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2088
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM iexplore.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM iexplore.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2064
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM steam.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2128
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM steam.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2700
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM browser.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5012
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM browser.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2512
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "taskkill /F /IM chromium.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM chromium.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5620
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2204
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:920
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3984
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3416

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\VCRUNTIME140.dll
          • Size 116KB
          • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _asyncio.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_asyncio.pyd
          • Size 63KB
          • SHA256 746bc8fa88282afe19dc60e426cc0a75bea3bd137cca06a0b57a30bd31459403
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _brotli.cp311-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_brotli.cp311-win_amd64.pyd
          • Size 836KB
          • SHA256 06fb0d9d73fe3ba17a06293f7294d409a0d2db8228f580389039a0837b141b5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_bz2.pyd
          • Size 82KB
          • SHA256 00b8ca9a338d2b47285c9e56d6d893db2a999b47216756f18439997fb80a56e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _cffi_backend.cp311-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_cffi_backend.cp311-win_amd64.pyd
          • Size 174KB
          • SHA256 8100f667a3f64eeb37b9326d0c53a931e0ea3cea4ade5dbdc638c368355c0948
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_ctypes.pyd
          • Size 121KB
          • SHA256 c148292328f0aab7863af82f54f613961e7cb95b7215f7a81cafaf45bd4c42b7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _decimal.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_decimal.pyd
          • Size 249KB
          • SHA256 980a63f2b39cf16910f44384398e25f24482346a482addb00de42555b17d4278
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_hashlib.pyd
          • Size 63KB
          • SHA256 87dd0c858620287454fd6d31d52b6a48eddbb2a08e09e8b2d9fdb0b92200d766
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_lzma.pyd
          • Size 155KB
          • SHA256 f5e01b516c2c23035f7703e23569dec26c5616c05a929b2580ae474a5c6722c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _multiprocessing.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_multiprocessing.pyd
          • Size 33KB
          • SHA256 975c1947798e3c39898c86675ca1eb68249f77361f41f172f9800275227213b9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _overlapped.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_overlapped.pyd
          • Size 50KB
          • SHA256 ca106e4dfdeafeabf9e98956d3d8d0cb73e109f1a96f1a7e35bc47dbd7c7e164
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _queue.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_queue.pyd
          • Size 31KB
          • SHA256 3f8e7e6aa13b417acc78b63434fb1144e6319a010a9fc376c54d6e69b638fe4c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_socket.pyd
          • Size 77KB
          • SHA256 a19e3c7c03ef1b5625790b1c9c42594909311ab6df540fbf43c6aa93300ab166
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _sqlite3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_sqlite3.pyd
          • Size 117KB
          • SHA256 ff6a2a2f38b21b7784f97d604c99961d8c07ef455f7908110a4e893835d42b76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_ssl.pyd
          • Size 174KB
          • SHA256 ba5388d6a6557d431e086734a3323621dc447f63ba299b0a815e5837cf869678
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _uuid.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\_uuid.pyd
          • Size 24KB
          • SHA256 e6aa7f1637e211251c9d6f467203b2b6d85e5bc2d901699f2a55af637fa89250
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\base_library.zip
          • Size 1.4MB
          • SHA256 b5e073d6d7181849465f7f8e1034ee8383dc17f721a7262ac648df5c7723940c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cacert.pem

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\certifi\cacert.pem
          • Size 266KB
          • SHA256 fc9165a12403263e7ebfbdad7be7a3eac0fa5d325d3c70465f28d3690072ca28
          • MD5 SHA1 SHA512 SSDEEP TLSH

          md.cp311-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\charset_normalizer\md.cp311-win_amd64.pyd
          • Size 10KB
          • SHA256 4ec4eb6ffb5b9e286897f9ea870561de463421f8312af1e976c045ad6b3f3751
          • MD5 SHA1 SHA512 SSDEEP TLSH

          md__mypyc.cp311-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\charset_normalizer\md__mypyc.cp311-win_amd64.pyd
          • Size 120KB
          • SHA256 ce678f5ffa66a0b576796dadf6e1e0fdf3d10a40d056c9a58cb46d4aabb87901
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _rust.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\cryptography\hazmat\bindings\_rust.pyd
          • Size 9.4MB
          • SHA256 813b101f70efb79c388239ce82ac891e195a1e19eeaeb43c32d9bf425e7b51b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\libssl-3.dll
          • Size 768KB
          • SHA256 2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pyexpat.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\pyexpat.pyd
          • Size 194KB
          • SHA256 c7c7564f7f874fb660a46384980a2cf28bc3e245ca83628a197ccf861eab5560
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\python3.DLL
          • Size 65KB
          • SHA256 db84bc052cfb121fe4db36242ba5f1d2c031b600ef5d8d752cf25b7c02b6bac6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python311.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\python311.dll
          • Size 5.5MB
          • SHA256 0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rookiepy.cp311-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\rookiepy\rookiepy.cp311-win_amd64.pyd
          • Size 5.2MB
          • SHA256 b9bbe364b7abcdd3d6ce78c0eb42d2918e33a23c43ec2007bf00a7abb8a27ae6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\select.pyd
          • Size 29KB
          • SHA256 bae0974390945520eb99ab32486c6a964691f8f4a028ac408d98fa8fb0db7d90
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\sqlite3.dll
          • Size 1.5MB
          • SHA256 314bba62f4a1628b986afc94c09dc29cdaf08210eae469440fbf46bcdb86d3fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23962\unicodedata.pyd
          • Size 1.1MB
          • SHA256 37c68617fa02a2cadced17ef724e2d450ef12a8a37215da789a4679fde1c5c02
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Chrome_history_temp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\Chrome_history_temp
          • Size 160KB
          • SHA256 9091ac11406f559b228639a023f638aa4461083cf4151878f781b85acde0e2ba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Edge_history_temp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\Edge_history_temp
          • Size 224KB
          • SHA256 9c1a36280b3646338ee5a1092b8807d8a50ac0710f459878fa3b838596d41f09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Cookies

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\collected_data\found_files\Cookies
          • Size 28KB
          • SHA256 24c979386b0763885c9a78815e6ddee29e75d9ad3818215495b2f4c14a4ab748
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Cookies

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\collected_data\found_files\Cookies
          • Size 28KB
          • SHA256 6bfe6b1fcf62bffeffa26a3b2091b2519cf26e791bd989a20a4e374cf3c43e20
          • MD5 SHA1 SHA512 SSDEEP TLSH

          firefox_history_temp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\firefox_history_temp
          • Size 5.0MB
          • SHA256 312cff12c562fbe97d3ae1c9f3f66135719cdc0fb48119adf21eacacb44216b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          web_data_temp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpvwke04x6\web_data_temp
          • Size 138KB
          • SHA256 f02d21bc04af97d86c8d1d3849061cb55a03473099b5580aa72b237a245049f3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/920-369-0x000000000E7A0000-0x000000000F01B000-memory.dmp

          memory/3984-239-0x000002F0946A0000-0x000002F0946C0000-memory.dmp

          memory/3984-183-0x000002F0801E0000-0x000002F0802E0000-memory.dmp

          memory/3984-213-0x000002F081B00000-0x000002F081B20000-memory.dmp

          memory/3984-205-0x000002F081D00000-0x000002F081E00000-memory.dmp

          memory/3984-204-0x000002F0818C0000-0x000002F0818E0000-memory.dmp

          memory/3984-181-0x000002F0801E0000-0x000002F0802E0000-memory.dmp

          memory/3984-182-0x000002F0801E0000-0x000002F0802E0000-memory.dmp