Resubmissions

15/10/2026, 20:02

261015-ysawjact213

15/10/2026, 19:53

261015-ylzw3scs2w3

Analysis

  • user interaction
    yes
  • max time kernel
    106s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/10/2026, 20:02

General

  • Target
    1.txt
  • Size 655B
  • Sample261015-ysawjact21
  • SHA256 9542ce8c944f30f7d96e48cdd918deaab7775f92d89e0beccf50d30e8f3f56ba
  • MD5 SHA1 SHA512 TLSH
Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 6 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\1.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:6096
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1668
    • 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=0x118,0x11c,0x120,0xf4,0x124,0x7ffa2b55c728,0x7ffa2b55c734,0x7ffa2b55c740
      2⤵
        PID:1648
      • 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=1712,i,11666598275568370877,10363639205462924139,262144 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=2104 /prefetch:2
        2⤵
          PID:2868
        • 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=1616,i,11080352245789881062,5052490086625158082,524288 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=2204 /prefetch:3
          2⤵
          • System Time Discovery
          PID:960
        • 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=2412,i,2145545903281532821,13276299069189336851,524288 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=2580 /prefetch:8
          2⤵
            PID:1756
          • 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=3248,i,10025041287218176022,6692301647333667791,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=3260 /prefetch:1
            2⤵
              PID:4360
            • 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=3268,i,17309308012117753106,9045337928321843367,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=3332 /prefetch:1
              2⤵
                PID:1780
              • 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=4168,i,10920458805609146752,10392986199851244815,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=4476 /prefetch:2
                2⤵
                  PID:2688
                • 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=4716,i,8898424827183241966,8596943900959284527,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=4744 /prefetch:1
                  2⤵
                    PID:3292
                  • 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=5528,i,14971452615103282271,2521063914506923329,524288 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=5524 /prefetch:8
                    2⤵
                      PID:4756
                    • 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=10 --metrics-shmem-handle=5960,i,631724858096963265,1668707056557545878,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=5948 /prefetch:1
                      2⤵
                        PID:4616
                      • 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=11 --metrics-shmem-handle=4776,i,12513049147244629196,6326488088965301205,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=5920 /prefetch:1
                        2⤵
                          PID:4308
                        • 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=12 --metrics-shmem-handle=5972,i,9510660545345404,15823787117446816036,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=4420 /prefetch:1
                          2⤵
                            PID:4000
                          • 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=13 --metrics-shmem-handle=4856,i,5938537620952668825,10673020346386027386,2097152 --field-trial-handle=2108,i,15050695193398116132,16264227848369844382,262144 --variations-seed-version=20260911-010032.103000-production --mojo-platform-channel-handle=6112 /prefetch:1
                            2⤵
                              PID:5716
                          • 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:4544
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:5900
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                1⤵
                                • Modifies data under HKEY_USERS
                                PID:3812

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    86ec0454-eac0-4228-8c8a-85c472222da9.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\86ec0454-eac0-4228-8c8a-85c472222da9.tmp
                                    • Size 267KB
                                    • SHA256 db8c46d7f8e3969121900389e0d0ff90623a2f866edc94328e1dd566e464851c
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    8744c229-7836-42c5-a7bd-febd23f96d76.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\8744c229-7836-42c5-a7bd-febd23f96d76.tmp
                                    • Size 130KB
                                    • SHA256 4ef71c0c90172298284ffba11f69efe9b8af4881acee3548cd786b46aa078e6f
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat
                                    • Size 40B
                                    • SHA256 d8069b59ba1cdc110cde92cdc89d02bd5f23941139d79e9234b63999b8afe6ef
                                    • MD5 SHA1 SHA512

                                    66bd79a6-6e50-40ab-a5fc-3f0b6ad70bac.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\66bd79a6-6e50-40ab-a5fc-3f0b6ad70bac.tmp
                                    • Size 17KB
                                    • SHA256 2402969cd2ec72ea72b513389c43205a9ee2bceca1c456ef576613e3544e19a0
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    f_000005

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005
                                    • Size 76KB
                                    • SHA256 1cfed5d288f1e80c28b8266f0e42d8c04915c242d3aa22b7d7562460fc6f84ac
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    temp-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\temp-index
                                    • Size 240B
                                    • SHA256 8153aa589f87e23bf78aea1e29fbd14d1da3b20ea4082fd070348a7948a01ae2
                                    • MD5 SHA1 SHA512 TLSH

                                    9aefe080-b57d-4ba4-93f0-10497f08a26b.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\9aefe080-b57d-4ba4-93f0-10497f08a26b.tmp
                                    • Size 1KB
                                    • SHA256 e590cc3bd7750475e63610a956c158ce5c10ffcdc6f1b703caad984501fd53ee
                                    • MD5 SHA1 SHA512 TLSH

                                    cd737586-c57b-4a55-ae17-31f49b70426a.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\cd737586-c57b-4a55-ae17-31f49b70426a.tmp
                                    • Size 3KB
                                    • SHA256 bdfe01dbf6373cabdf60154f2ce8bfe295ef99b08ed55bcbea949d1d00814282
                                    • MD5 SHA1 SHA512 TLSH

                                    e5b9d9f4-e99b-4e82-8072-7740e3c007b4.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\e5b9d9f4-e99b-4e82-8072-7740e3c007b4.tmp
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    temp-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\temp-index
                                    • Size 120B
                                    • SHA256 3482fc15bb768881ad37ef64c7a571d7d647550663dd8c60f9260634786e16e9
                                    • MD5 SHA1 SHA512 TLSH

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                    • Size 96B
                                    • SHA256 e55972e0d1c4b42c7d12271fb9f53646f051c3956b9992a2dfe0ae983ed25c1b
                                    • MD5 SHA1 SHA512 TLSH

                                    a6831142-d461-49fe-bb7e-ea0379b0ada6.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\a6831142-d461-49fe-bb7e-ea0379b0ada6.tmp
                                    • Size 414B
                                    • SHA256 af4bebfc985ed90f80ddb2f6ef53b131b6c819a99efa7ca4e1563a790c019531
                                    • MD5 SHA1 SHA512 TLSH

                                    a73f8c5b-2d3a-4586-82e3-71c965585acf.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\a73f8c5b-2d3a-4586-82e3-71c965585acf.tmp
                                    • Size 12KB
                                    • SHA256 8514f8b56bd56a1a69843df471fd1e369966a7823b31c7c41c826541f9b40859
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    aead968f-7446-4f9b-8393-0eb732419423.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\aead968f-7446-4f9b-8393-0eb732419423.tmp
                                    • Size 13KB
                                    • SHA256 a97db7a17ccb37473c63a803d0f40c113b7fc6f18bf5ba4bab4f5cd9131a0840
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    d364f8d0-0b28-4169-bb60-189350c16e14.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\d364f8d0-0b28-4169-bb60-189350c16e14.tmp
                                    • Size 6B
                                    • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                    • MD5 SHA1 SHA512

                                    data_1

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

                                    b217b8de-047f-4445-9901-72b689d9a7d9.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\b217b8de-047f-4445-9901-72b689d9a7d9.tmp
                                    • Size 267KB
                                    • SHA256 ec8a5340d905726955fc72dda24270281440283f7b3549b48f34db004c8c3c0a
                                    • MD5 SHA1 SHA512 SSDEEP TLSH