Analysis

  • user interaction
    yes
  • max time kernel
    131s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 12:45

General

  • Target
    SecurityUpdate.exe
  • Size 14KB
  • Sample260511-py7b9adv9r
  • SHA256 6421a2c83ef881945d8197e63112f75b36afb683a5a2fe8831145962a7b1ad9b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 11 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecurityUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\SecurityUpdate.exe"
    1⤵
      PID:5640
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault1ccc67cfh3fc7h47f1h86bbh05d402e6a3c1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault1ccc67cfh3fc7h47f1h86bbh05d402e6a3c1 --edge-skip-compat-layer-relaunch
        2⤵
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x234,0x238,0x23c,0x230,0x258,0x7ff8ee1bc188,0x7ff8ee1bc194,0x7ff8ee1bc1a0
          3⤵
            PID:4000
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1932,i,508659000594690436,5497859500932027268,524288 --field-trial-handle=2328,i,3849786295886732796,11205089716760147784,262144 --variations-seed-version --mojo-platform-channel-handle=2364 /prefetch:3
            3⤵
            • System Time Discovery
            PID:332
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1728,i,1668319104230898059,8939142095459641076,262144 --field-trial-handle=2328,i,3849786295886732796,11205089716760147784,262144 --variations-seed-version --mojo-platform-channel-handle=2324 /prefetch:2
            3⤵
              PID:5504
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2372,i,9932266028190664074,5531672538298460564,524288 --field-trial-handle=2328,i,3849786295886732796,11205089716760147784,262144 --variations-seed-version --mojo-platform-channel-handle=2568 /prefetch:8
              3⤵
                PID:5492
          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
            1⤵
              PID:4256
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x3bc 0x3c4
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:696
            • C:\Windows\system32\mspaint.exe
              "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\ShowSkip.jpeg" /ForceBootstrapPaint3D
              1⤵
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:3892
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
              1⤵
              • Drops file in System32 directory
              PID:1564
            • C:\Windows\system32\OpenWith.exe
              C:\Windows\system32\OpenWith.exe -Embedding
              1⤵
              • Suspicious use of SetWindowsHookEx
              PID:4632
            • C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE
              "C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE"
              1⤵
              • Checks processor information in registry
              • Enumerates system info in registry
              • Suspicious behavior: AddClipboardFormatListener
              • Suspicious use of SetWindowsHookEx
              PID:6036

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 d68b8059d1fdfd8541892ccb136bddd7ec7601b55110e2cdd4c0e5ace97d9da8
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 8b1e4ba6890ec60cfe9f6942acc1937ba6fdde042b45c0a2e0b7e13ade701cfd
                  • MD5 SHA1 SHA512 TLSH

                  SiteList-Enterprise.json

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                  • Size 2B
                  • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                  • MD5 SHA1 SHA512

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                  • Size 61B
                  • SHA256 e1b77550222c2451772c958e44026abe518a2c8766862f331765788ddd196377
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

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

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                  • Size 11KB
                  • SHA256 b34d8c5064a2f265670751ece22eb81cc498c2bdea53b90dd50d053fd859ebc1
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Secure Preferences

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                  • Size 32KB
                  • SHA256 b1d6fad89bff2cf82156158a94c36681450d5994b949902a042a48489c4f6b51
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                  • Size 26KB
                  • SHA256 da17da24b995c38e98c74e959f536cd4701a2cfa580f65381e3e03c82b35f207
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                  • Size 27KB
                  • SHA256 80d72a0d3e465675ffb5091c49b6250247958f0d01e03d3dd3613baa48ae5d7c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  sist02.xsl

                  • Path C:\Users\Admin\AppData\Local\Temp\TCD1993.tmp\sist02.xsl
                  • Size 245KB
                  • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  index.dat

                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
                  • Size 280B
                  • SHA256 d251cd7e60f43eb79d6aee0503866aafd89d646bd58e75cc4b442f75bab95b90
                  • MD5 SHA1 SHA512 TLSH

                  fb3b0dbfee58fac8.customDestinations-ms

                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
                  • Size 1KB
                  • SHA256 fc460c977139f4d3e4c66617f6b04864277081ed51e8572ca9af9192e02e5a6d
                  • MD5 SHA1 SHA512 TLSH

                  memory/1564-106-0x00000237220D0000-0x00000237220D1000-memory.dmp

                  memory/1564-91-0x00000237113C0000-0x00000237113D0000-memory.dmp

                  memory/1564-104-0x00000237220D0000-0x00000237220D1000-memory.dmp

                  memory/1564-107-0x0000023722160000-0x0000023722161000-memory.dmp

                  memory/1564-108-0x0000023722160000-0x0000023722161000-memory.dmp

                  memory/1564-109-0x0000023722170000-0x0000023722171000-memory.dmp

                  memory/1564-110-0x0000023722170000-0x0000023722171000-memory.dmp

                  memory/1564-102-0x0000023722050000-0x0000023722051000-memory.dmp

                  memory/1564-95-0x0000023711F30000-0x0000023711F40000-memory.dmp

                  memory/3892-112-0x00000247309C0000-0x0000024730AD5000-memory.dmp

                  memory/4632-113-0x0000019409DA0000-0x0000019409EB5000-memory.dmp

                  memory/5640-0-0x0000019074CE0000-0x0000019074CE1000-memory.dmp

                  memory/5640-1-0x00007FF703650000-0x00007FF70365B000-memory.dmp

                  memory/6036-117-0x00007FF8CC030000-0x00007FF8CC040000-memory.dmp

                  memory/6036-115-0x00007FF8CC030000-0x00007FF8CC040000-memory.dmp

                  memory/6036-119-0x00007FF8C9FD0000-0x00007FF8C9FE0000-memory.dmp

                  memory/6036-120-0x00007FF8C9FD0000-0x00007FF8C9FE0000-memory.dmp

                  memory/6036-118-0x00007FF8CC030000-0x00007FF8CC040000-memory.dmp

                  memory/6036-116-0x00007FF8CC030000-0x00007FF8CC040000-memory.dmp

                  memory/6036-148-0x0000025B58F80000-0x0000025B59095000-memory.dmp

                  memory/6036-158-0x0000025B58F80000-0x0000025B59095000-memory.dmp

                  memory/6036-114-0x00007FF8CC030000-0x00007FF8CC040000-memory.dmp