Analysis

  • user interaction
    yes
  • max time kernel
    60s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/06/2026, 17:37

General

  • Target
    https://email.optro.ai/OTYxLVpRVi0xODQAAAGilDaNid_MzWB-fyVzKXPFxE8UveDN9jdDP2_gwP-6RjlBIUeztXXFyoUKgr_55rAPbvlqamgKjE_FcM8=
  • Sample260623-v684psey71
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 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://email.optro.ai/OTYxLVpRVi0xODQAAAGilDaNid_MzWB-fyVzKXPFxE8UveDN9jdDP2_gwP-6RjlBIUeztXXFyoUKgr_55rAPbvlqamgKjE_FcM8=
    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:3552
    • 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,0x100,0xd4,0x104,0x7ff8232ec728,0x7ff8232ec734,0x7ff8232ec740
      2⤵
        PID:4412
      • 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=1672,i,12867664752453314244,6958088238834481102,262144 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=1980 /prefetch:2
        2⤵
          PID:4780
        • 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=1564,i,11085139343049327790,1560470638450220326,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2252 /prefetch:3
          2⤵
          • System Time Discovery
          PID:920
        • 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=2356,i,11395519438931754475,16308630543716937194,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2728 /prefetch:8
          2⤵
            PID:3752
          • 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=3220,i,3137802538451003705,15102287194618120125,2097152 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3216 /prefetch:1
            2⤵
              PID:4416
            • 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=3236,i,9869601448385044489,17622795757010096279,2097152 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3284 /prefetch:1
              2⤵
                PID:1840
              • 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=5512,i,10697401007558191938,15208224718414023776,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5528 /prefetch:8
                2⤵
                  PID:4144
                • 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=5676,i,12925710164955456339,9097918849347750,2097152 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5700 /prefetch:1
                  2⤵
                    PID:1708
                  • 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=9 --metrics-shmem-handle=5864,i,18363246838832288198,2010324808317819806,2097152 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5824 /prefetch:1
                    2⤵
                      PID:3044
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5052,i,11080358083209022314,13637145715510321007,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5536 /prefetch:8
                      2⤵
                        PID:3268
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=208,i,10689019881860230800,1119048103096953125,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4632 /prefetch:8
                        2⤵
                          PID:3588
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=4788,i,15926755832992959413,6228742993422213501,524288 --field-trial-handle=1992,i,2677147572703828451,11691129436172056395,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5980 /prefetch:8
                          2⤵
                            PID:820
                        • 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:5004
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:1280

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  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 b1c6c78dbe1d157a2b7fc72da52e1a4de51dfe02001d4814a9af2033e7f7267b
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 2KB
                                  • SHA256 c802f48d823521685cc8f6ef9d8104ac2f82a80dc8bee5a6b7c268cd29544e7c
                                  • 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

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 215f22387ea1a7b6d4227e517b6343ad167055ea1066247daedfa222733e925a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 88752967f395c6be713c3917b601c68be49ee7ebf7c58a3d030b9042b1d6c217
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 4bdbe336dd60a180842a88fef027f25760d3c83d200e21caf51496a2fb756287
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 13KB
                                  • SHA256 3426e293396fa1424a09f9423424627a398157ab7bfc3ec06964ae1df493a1c5
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 115KB
                                  • SHA256 908fc9a697d19b6b11b184828b4e09f61d579e9841a62e913cdaf0b74fbcf61f
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 0eafc8ca0e25cae79015cf6039135290dcc43c3eb186aac76ee045846fca8fb0
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 cccd6adb803ea383dee0cdfb786f51c6ed7c1695174d21ff97d539c87c3c2920
                                  • MD5 SHA1 SHA512 SSDEEP TLSH