hxxps://go[.]microsoft[.]com/fwlink/?LinkId=521839

Analysis

user interaction
yes
max time kernel
4s
max time network
9s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 12:55

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General

Target
https://go.microsoft.com/fwlink/?LinkId=521839
Sample260910-p57atsxvb1

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Time Discovery 1 TTPs 1 IoCs

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

discovery

System Time Discovery

T1124

pid	Process
5056	msedge.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	msedge.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	msedge.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134335185634183130"	msedge.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	msedge.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-889581200-2041691093-2048517887-1000\{B19FB73F-30C7-4BB3-BC0C-0EC442B306DA}	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe
1236	msedge.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 648	1236	msedge.exe	82
PID 1236 wrote to memory of 5056	1236	msedge.exe	83
PID 1236 wrote to memory of 440	1236	msedge.exe	84
PID 1236 wrote to memory of 440	1236	msedge.exe	84
PID 1236 wrote to memory of 1104	1236	msedge.exe	85
PID 1236 wrote to memory of 1104	1236	msedge.exe	85
PID 1236 wrote to memory of 1104	1236	msedge.exe	85
PID 1236 wrote to memory of 4124	1236	msedge.exe	86
PID 1236 wrote to memory of 4124	1236	msedge.exe	86
PID 1236 wrote to memory of 4124	1236	msedge.exe	86
PID 1236 wrote to memory of 4896	1236	msedge.exe	87
PID 1236 wrote to memory of 4896	1236	msedge.exe	87
PID 1236 wrote to memory of 4896	1236	msedge.exe	87
PID 1236 wrote to memory of 3016	1236	msedge.exe	89
PID 1236 wrote to memory of 4884	1236	msedge.exe	90
PID 1236 wrote to memory of 3016	1236	msedge.exe	89
PID 1236 wrote to memory of 3016	1236	msedge.exe	89
PID 1236 wrote to memory of 4884	1236	msedge.exe	90
PID 1236 wrote to memory of 4884	1236	msedge.exe	90
PID 1236 wrote to memory of 3028	1236	msedge.exe	97
PID 1236 wrote to memory of 3028	1236	msedge.exe	97
PID 1236 wrote to memory of 828	1236	msedge.exe	98
PID 1236 wrote to memory of 828	1236	msedge.exe	98
PID 1236 wrote to memory of 3688	1236	msedge.exe	102

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://go.microsoft.com/fwlink/?LinkId=521839
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1236
- 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=0x238,0x23c,0x240,0x234,0x2b0,0x7ffbda2ec188,0x7ffbda2ec194,0x7ffbda2ec1a0
  2⤵
  PID:648
- 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=1928,i,2687360885294439004,13872492276300687743,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=2436 /prefetch:3
  2⤵
  - System Time Discovery
  PID:5056
- 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 --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2236,i,1011693558477704848,15001498598261890377,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=2456 /prefetch:8
  2⤵
  PID:440
- 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=1620,i,16744526459565363580,11530712513147852723,262144 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=2400 /prefetch:2
  2⤵
  PID:1104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3436,i,842473067149960003,2461157122754961950,2097152 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=3476 /prefetch:1
  2⤵
  PID:4124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3444,i,4463886333580853320,9536466834063405331,2097152 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=3496 /prefetch:1
  2⤵
  PID:4896
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --metrics-shmem-handle=4120,i,16932370176220735800,14918487038145928970,2097152 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:1
  2⤵
  PID:3016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --always-read-main-dll --metrics-shmem-handle=4188,i,17311091016034026093,5671324611369657237,2097152 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:2
  2⤵
  PID:4884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5064,i,15087749998168600076,8251179483714055275,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=5164 /prefetch:8
  2⤵
  PID:3028
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5016,i,3169902009455711795,14058947369665445165,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=5132 /prefetch:8
  2⤵
  PID:828
- C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6012,i,14578060763504296002,6908917511747583404,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=6020 /prefetch:8
  2⤵
  PID:4104
- C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6012,i,14578060763504296002,6908917511747583404,524288 --field-trial-handle=2404,i,12467896407474079391,13142203661938102248,262144 --variations-seed-version --mojo-platform-channel-handle=6020 /prefetch:8
  2⤵
  PID:3688

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:1584

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Time Discovery

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

settings.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Size 280B
SHA256 11d3c4c52f9fc9cd2b10a22b48769759f994fd6364f9a0fc145f4cd2c2a22e9d
MD5 4751cf705a737c4226029624bf43b9a8
SHA1 fd8cf726ee3f8f75b97147829de5553530caa82c
SHA512 46e3fedbf7fa14bdc2b3aad129f2879a9d24252f5d7bd9b55766bc32a6b82ea77aaf193bcdbdf4423e3b67ef84955e589b6077609344091ef72204c1d50b0dab
TLSH
T17ED09B307A58A58BD14360F1A4114B4115375557205397757521508E9E98055B3CA057
MD5 SHA1 SHA512 TLSH

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settings.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Size 280B
SHA256 701082e4ac35f878dc5ff6eb27989aae9d20d9b5662643e20b3acd1720b367fc
MD5 2b3686986ce1fd99f079eb226e8b0a8b
SHA1 0d2cdee36351378b91ed7f6ecdb43457fe4d7b5d
SHA512 937da61c495fd21a02bb76a63556dec83ce132f1d1830ff8d9af6212d15f1844766dd4abadd15ea61b48f8ae03b52baca44c99117714c705da840dbff8f116dd
TLSH
T182D09B303A58A98BD54360F1A4104B41153755572053D7757521508E9E99095B3CA057
MD5 SHA1 SHA512 TLSH

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Edge Profile.ico

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
Size 70KB
SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
MD5 efe54a870e0f5ff28d7e00036b861065
SHA1 10663a71c9815382ca5a1689dfcebe737c557b1d
SHA512 4d7ed9d3e22a58f0e169c9200e351d3a938c82ab7920567f67bf29d33b28192329ea05657d1077aebaf2c2b5151eb50c84e5ab590733ff824389566d93381c01
SSDEEP 1536:fAlMWz7vLDtDSVlXXwpFlorgLUxF+nubjUDSlBczkF1D/u1:fvuWAUxFDbY+0zkjDG1
TLSH
T1DA639F406A6479E8E814CBF59C69B7D30B95CFDC51A252E831F4FE7AB681494C90CFC4
MD5 SHA1 SHA512 SSDEEP TLSH

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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 d751713988987e9331980363e24189ce
SHA1 97d170e1550eee4afc0af065b78cda302a97674c
SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
MD5 SHA1 SHA512

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Local State

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
Size 8KB
SHA256 e90e55d03e504dee3e319d2e1a372c11819b0213434718bec40717f5b54da094
MD5 f07e063ea4ae93302c83afecdae67f3a
SHA1 f2496aac8fb636e726f5c36f7cd068b469dab752
SHA512 6bfd76c7010efc6c40862bebc0080ca55166f9a107f2b40e79f0af94229e1c8de9e0e9d4ebe3c2ed6020ec561399d8d8272071fbb956e46783e2882e2054a9bf
SSDEEP 192:0ONb6v+YL1QmiUy8L2h+CGLOD9ojh3CHAqeU6:0ONb6vzHD2h+CeODejhM0U6
TLSH
T1CE121A35BD385C775EE26585F48735138EA98137EA8A3F80D5DC2E0C01DF6DC234A826
MD5 SHA1 SHA512 SSDEEP TLSH

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Local State

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
Size 8KB
SHA256 42e1a0e0ae834fce6106454c0e2beeb8cdaa7d93d89f936f2a347fb5595166f6
MD5 4d7bea53802ef0dda8fea7aca5b8fa3a
SHA1 6751b312059692497209bcfea1fb189434a76770
SHA512 e56a5d1a9995dcb71de6bf93d5c0e90c880dba6ae2d92896447ec1ec1bdb57ad5d810627921e47bdf056311533c1dfba373ff89e13da597d7dd8eaf9ce52a44f
SSDEEP 192:JONj6v+YLNQmiUySLZh+CGLOD9oqusnZU6:JONj6vz/PZh+CeODeMZU6
TLSH
T18502E935BD282C7B9FF2AE45F98736135FA81177E9952F80D9D42F0C01D768C2346826
MD5 SHA1 SHA512 SSDEEP TLSH

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5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
Size 2KB
SHA256 b8608315b2b8a0f553e3586eb2d61aea3116063520e6d2b95ea64f7c348ed9a1
MD5 67510c67e6b31e34fd58bffbe4193cda
SHA1 adf8ad7fb16bd27b4841ec7b4cd919668916b058
SHA512 d5c1a490117cd6e89ab0486419bfa63ba126dc1dbde5fb1bb37fd6646120d17efffd75801e70cef8ce33d9a1996c417f70b6240d727c0b8f11299557edf8325d
TLSH
T13C412B48B6FA1148B3B76F569FF7A86D847ABC371E06D09E10110E4F0A63B40C961B37
MD5 SHA1 SHA512 TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads