Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/05/2026, 13:45

General

  • Target
    https://groups.google.com/a/w-esco.com/group/6o/subscribe
  • Sample260529-q2ebbacy4t
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 19 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://groups.google.com/a/w-esco.com/group/6o/subscribe
    1⤵
    • Drops file in Windows directory
    • 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:2028
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7fff7680c728,0x7fff7680c734,0x7fff7680c740
      2⤵
        PID:1800
      • 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=1652,i,3905985741204579945,5171398961850114703,262144 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=1900 /prefetch:2
        2⤵
          PID:4172
        • 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=2236,i,16417569622178430234,10778539935884550459,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2232 /prefetch:11
          2⤵
          • System Time Discovery
          PID:3740
        • 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=2388,i,10706237652347639462,4374915167688222291,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2420 /prefetch:13
          2⤵
            PID:1940
          • 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=3216,i,17059567942748438365,1270427739180547307,2097152 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3264 /prefetch:1
            2⤵
              PID:1516
            • 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=3220,i,8134819411081335216,4366522510279274596,2097152 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3252 /prefetch:1
              2⤵
                PID:4884
              • 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=4220,i,11205032488967430091,10731245363225362438,2097152 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4224 /prefetch:9
                2⤵
                  PID:672
                • 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=3204,i,14067495604083075577,13325596468006315770,2097152 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4640 /prefetch:1
                  2⤵
                    PID:2524
                  • 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=5612,i,12702948531355123377,13842404759393875531,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5604 /prefetch:14
                    2⤵
                      PID:3668
                    • 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=5696,i,6367698016191188748,14886741908698857082,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4908 /prefetch:14
                      2⤵
                        PID:2160
                      • 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=5644,i,10960555782387343669,13975644025455953168,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4804 /prefetch:14
                        2⤵
                          PID:3604
                        • 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=5648,i,12694334994633044085,14977343989726010050,524288 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3252 /prefetch:14
                          2⤵
                            PID:5068
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4964,i,11740797232866274484,5882665010753241633,262144 --field-trial-handle=1904,i,1538862810553776017,4109211148260777198,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4840 /prefetch:10
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2236
                        • 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:496
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:3720

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  9a8ae7e8-b4a3-485d-8105-a8034d06feee.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\9a8ae7e8-b4a3-485d-8105-a8034d06feee.tmp
                                  • Size 649B
                                  • SHA256 06959cb38f41ceca3a1d920f5c0b4635fb02e27b268119133dbcf28d9aed3ce5
                                  • MD5 SHA1 SHA512 TLSH

                                  BookmarkMergedSurfaceOrdering

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

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 312B
                                  • SHA256 ca3b48ee72deaef5b5b9b6ae9a89703f7068ae4259a17abd80fa30d96ee76105
                                  • MD5 SHA1 SHA512 TLSH

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                  • Size 5KB
                                  • SHA256 bdd9d69b714a36e5dcd21855dca9f17974cd08d73cce035379c60624cb900252
                                  • MD5 SHA1 SHA512 SSDEEP 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 8b275bb37a0d3a7de7c952bdbfc514c5f88f3adf3a95a310cfd5b6b8ee7a2f97
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 3379ed7c7bb698cf2c2ec40c34abb55d193ce0c81d75717da400c08d91c69f37
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 17KB
                                  • SHA256 6580b9be38e043e5d2436ff4ae9296f74b369cbea58296d9af5604bd4b1cc474
                                  • 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 14c51fe02dc8f7b31c8c789997b60249db55eb6059dd80290982653277475f6b
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe5898e0.TMP

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe5898e0.TMP
                                  • Size 96B
                                  • SHA256 1f623da2906f1dce8234203d9e00c8f86dd56286b9078aedaf4ea61901c90195
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 0f6449b27d651b27e97fb9a6c6cae2f8a225b7cd3cb7642702667d1977f70857
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 5eb3e80bfdafc9967e4bee3af917bc899b86ef329062ff7c40b4868d182b2829
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 115KB
                                  • SHA256 2014680a2e1f01df16ad3b89b14058a623588d7d95a859b128871d3b009cbc5b
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 9bdbc9cbb45faf2ed1ef3d2bbabd9a433cdebc8e6491307201daec0095e492c5
                                  • MD5 SHA1 SHA512 SSDEEP TLSH