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

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 19:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

https://go.microsoft.com/fwlink/?LinkId=521839

Score

1^/10

Malware Config

Signatures

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\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5040	msedge.exe
5040	msedge.exe
4328	msedge.exe
4328	msedge.exe
4912	identity_helper.exe
4912	identity_helper.exe
3716	msedge.exe
3716	msedge.exe
3716	msedge.exe
3716	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe
4328	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 920	4328	msedge.exe	16
PID 4328 wrote to memory of 920	4328	msedge.exe	16
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 1820	4328	msedge.exe	31
PID 4328 wrote to memory of 5040	4328	msedge.exe	24
PID 4328 wrote to memory of 5040	4328	msedge.exe	24
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25
PID 4328 wrote to memory of 3540	4328	msedge.exe	25

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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff20d946f8,0x7fff20d94708,0x7fff20d94718
1⤵
PID:920

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://go.microsoft.com/fwlink/?LinkId=521839
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4328
- 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 --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5040
- 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 --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2928 /prefetch:8
  2⤵
  PID:3540
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3448 /prefetch:1
  2⤵
  PID:5116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3436 /prefetch:1
  2⤵
  PID:3828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
  2⤵
  PID:1820
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5456 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4912
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5456 /prefetch:8
  2⤵
  PID:3436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5280 /prefetch:1
  2⤵
  PID:4164
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5132 /prefetch:1
  2⤵
  PID:2736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3452 /prefetch:1
  2⤵
  PID:2508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2220 /prefetch:1
  2⤵
  PID:792
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,11943219273562465214,16418482086992028885,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2784 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3716

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:796

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
3e71d66ce903fcba6050e4b99b624fa7

SHA1
139d274762405b422eab698da8cc85f405922de5

SHA256
53b34e24e3fbb6a7f473192fc4dec2ae668974494f5636f0359b6ca27d7c65e3

SHA512
17e2f1400000dd6c54c8dc067b31bcb0a3111e44a9d2c5c779f484a51ada92d88f5b6e6847270faae8ff881117b7ceaaf8dfe9df427cbb8d9449ceacd0480388

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
144B

MD5
27a67ab511acf57c34e2001dda226fc7

SHA1
959d9e85b8b6e97c9be2b32ec3a91b35b00dadd9

SHA256
f1aabbbe4ce39929a4ea3f8370c2e5e44c514234a059c6551fb2e8b168f23fac

SHA512
5d5eb82f086694bcf3c4f689fa14b2dcbf8ca2e2067668f3fe26bb1215ad1f0a7103901c668c4878165b74db62dc236b1f9b1e0526390feea1cc1854ee570e2d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
711B

MD5
a823d7d375adb76eda8dc381934a6e8a

SHA1
bd121c8b4e013ac7eb3a66da87c648e6b63fd9f7

SHA256
bcb64e65686396fed4f5c9da1580aac16e3c5803cbbddb0749408966521a28ef

SHA512
1e21a5c37bfbe12a980fc02e4a2d98239281ab11ae520d0fb85a8e5542bd43be3f3a6dc87b0f0a5b360dfa91fe37210094319eb385e5e08cb9172836211ac651

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
4c005dbd610ba207d0ea2fd7728718b1

SHA1
4fb0c00f67fdd02bac97bb90a55386f6107dd5fa

SHA256
1058186f267ca6fae37274d54c3ee6911282e107fe009b2b9cdacca5895682e9

SHA512
d16f1f43021b1f36de36f9ca0b41cfa94f560c47298e75d0f8275198f381015973138647d5179e562541609b63aabac68cfd4401763aa797688b7d4ec2de62f6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
1656171c0494da038500fd1629777c0e

SHA1
e4f4ada492802aca614760a9993066b58e1e4bf9

SHA256
a9ed04e46aed116bb7b9106b8676f781ec2498a1c0add7ef2a1325640c9872f9

SHA512
c9b43ab8bcf509ab2e69ca86317b9cdc49bf7b6b37fd53547df27019430e8a810fdad732179cde3eccfe0728ee7971a154b2fb6a6c4e9f95d0cb0d4ef3eb9fad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

Filesize
24KB

MD5
1b1b142e24215f033793d1311e24f6e6

SHA1
74e23cffbf03f3f0c430e6f4481e740c55a48587

SHA256
3dca3ec65d1f4109c6b66a1a47b2477afaf8d15306a523f297283da0eccbe8b1

SHA512
a569385710e3a0dc0d6366476c457927a847a2b2298c839e423c485f7dcce2468a58d20133f6dc81913056fb579957e67f63cf1e20b910d61816210447cd1f1f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
917fb944bc188bc21c2bcaeeec834b36

SHA1
1592a1453d125b698488d25c0a4f3734cd0a1ac2

SHA256
74f39e05e605daa5eb98deb4f00855a8a3ec156f36226ed0f6ee1e58feb57dcb

SHA512
3fdb8cbc8fac7355c07263b0650f5c6ade20399c72c2a54060f10219c6ece5144332de08e1e1fdca9cce1e1468bfc55de73041b4cf63c20c35e362053b54d783

Download Submit