Analysis

  • user interaction
    yes
  • max time kernel
    122s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/04/2026, 01:52

General

  • Target
    9a7daafc56300bd94ceef23eac56a0735b63ec6b9a7a409fb5a9b63efe1aa0b0.exe
  • Size 179KB
  • Sample260414-capfbaav6q
  • SHA256 9a7daafc56300bd94ceef23eac56a0735b63ec6b9a7a409fb5a9b63efe1aa0b0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: HelloKitty Ransomware

    Ransomware family which has been active since late 2020, and in early 2021 a variant compromised the CDProjektRed game studio.

  • Renames multiple (145) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • 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\9a7daafc56300bd94ceef23eac56a0735b63ec6b9a7a409fb5a9b63efe1aa0b0.exe
    "C:\Users\Admin\AppData\Local\Temp\9a7daafc56300bd94ceef23eac56a0735b63ec6b9a7a409fb5a9b63efe1aa0b0.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.1 & del 9a7daafc56300bd94ceef23eac56a0735b63ec6b9a7a409fb5a9b63efe1aa0b0.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3436
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3948
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3952
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x120,0x124,0x128,0xfc,0x12c,0x7ffe2da9c728,0x7ffe2da9c734,0x7ffe2da9c740
      2⤵
        PID:3324
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=2064,i,9398267849271399976,3682913533797573409,524288 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2108 /prefetch:3
        2⤵
        • System Time Discovery
        PID:5048
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1716,i,2150616123159931666,10384976857144911767,262144 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2000 /prefetch:2
        2⤵
          PID:4460
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2452,i,8076445802924996923,15910577564772619329,524288 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2424 /prefetch:8
          2⤵
            PID:3492
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3264,i,13522533564728947235,9409589421895173955,2097152 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3272 /prefetch:1
            2⤵
              PID:3800
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3276,i,12562921909873917595,12901939505490904139,2097152 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3316 /prefetch:1
              2⤵
                PID:640
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4556,i,5000723393608521315,14629286578652404611,2097152 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4484 /prefetch:2
                2⤵
                  PID:1204
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --metrics-shmem-handle=4760,i,14399490581002499914,564137575656731289,2097152 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4772 /prefetch:1
                  2⤵
                    PID:5060
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=4920,i,570609361723718877,321872352300384505,524288 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3244 /prefetch:8
                    2⤵
                      PID:1820
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=5092,i,9727229802697722380,3328358621695467549,524288 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5100 /prefetch:8
                      2⤵
                        PID:1496
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5616,i,15540394292109520423,9871195289936381519,524288 --field-trial-handle=2004,i,11358070757137550373,14569365497607042171,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5248 /prefetch:8
                        2⤵
                          PID:3804
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe"
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3740
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe2da9c728,0x7ffe2da9c734,0x7ffe2da9c740
                          2⤵
                            PID:972
                        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                          1⤵
                            PID:4356
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:4812

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat
                                  • Size 40B
                                  • SHA256 4fd5d530ed140946270170fdf7d661512728c262868b84d775fc44f4fbe643cc
                                  • MD5 SHA1 SHA512

                                  BookmarkMergedSurfaceOrdering

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
                                  • Size 6B
                                  • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                  • MD5 SHA1 SHA512

                                  BrowsingTopicsState

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                  • Size 414B
                                  • SHA256 98ea095894b4a1cd651edbff04ff9e205d6509820441af25af2e8d8d3e2fab93
                                  • MD5 SHA1 SHA512 TLSH

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                  • Size 2KB
                                  • SHA256 a275ad4bf131b54e4ecc1d55e18047a985072a92df9edfa84aa8dd9bbdede8e8
                                  • MD5 SHA1 SHA512 TLSH

                                  SCT Auditing Pending Reports

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  TransportSecurity

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                  • Size 523B
                                  • SHA256 251646ef5a203b19745013c7544eae5ec559cb1b6b1ad9bf081abc9269435c5e
                                  • MD5 SHA1 SHA512 TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 3781266c32082eaef2124f2504a1ba129f9bb2d1f9a978e35f5ecf72bce01d3f
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 17KB
                                  • SHA256 9c430f8c17feb865c008f25efcb04058f5ca91ec3e589c4f1ad8c3f157cbd990
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                  • Size 120B
                                  • SHA256 0db731b3252ccc4adda1a21c664c9eb0bd3ade68e529f37179690163643439c4
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe58d433.TMP

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe58d433.TMP
                                  • Size 96B
                                  • SHA256 6c87aeb7cb6ec8ec7a8fa0d7c724b1a351cf48e952af5bf100e079095c45967c
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 194KB
                                  • SHA256 69e117277512d45550f9ed07cad5ff4d7aa34936c6de4deb9ec18295d581f66b
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 89KB
                                  • SHA256 ec192c386563acb4a060a20eddc586c6c044d8f7004743b1a60dc8d37b89766f
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  data_1

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                                  • Size 264KB
                                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                  • MD5 SHA1 SHA512 SSDEEP

                                  read_me_lkdtt.txt

                                  • Path C:\Users\Admin\Contacts\read_me_lkdtt.txt
                                  • Size 1KB
                                  • SHA256 97109718795f688bdeaec143eff588df1f053c5f1be69fdfd953c8751132fd3f
                                  • MD5 SHA1 SHA512 TLSH

                                  memory/3952-337-0x00000131B4C00000-0x00000131B4C6B000-memory.dmp

                                  memory/4896-336-0x0000000004800000-0x000000000487E000-memory.dmp

                                  memory/4896-335-0x0000000001340000-0x0000000001359000-memory.dmp

                                  memory/4896-334-0x0000000004800000-0x000000000487E000-memory.dmp

                                  memory/4896-333-0x0000000001340000-0x0000000001359000-memory.dmp