hxxps://www[.]broadcom[.]com/support/security-center/definitions/download/detail?gid=sep14

Analysis

max time kernel
35s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 08:44

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General

Target

https://www.broadcom.com/support/security-center/definitions/download/detail?gid=sep14

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 6 IoCs

pid	Process
3756	msedge.exe
3756	msedge.exe
2028	msedge.exe
2028	msedge.exe
1628	identity_helper.exe
1628	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe
2028	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1456	2028	msedge.exe	83
PID 2028 wrote to memory of 1456	2028	msedge.exe	83
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 2596	2028	msedge.exe	84
PID 2028 wrote to memory of 3756	2028	msedge.exe	85
PID 2028 wrote to memory of 3756	2028	msedge.exe	85
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86
PID 2028 wrote to memory of 2720	2028	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.broadcom.com/support/security-center/definitions/download/detail?gid=sep14
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:2028
- 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,0x100,0x104,0xd8,0x108,0x7ffccef246f8,0x7ffccef24708,0x7ffccef24718
  2⤵
  PID:1456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2024 /prefetch:2
  2⤵
  PID:2596
- 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=2012,8208258143687256964,4629585369101000814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3756
- 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=2012,8208258143687256964,4629585369101000814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8
  2⤵
  PID:2720
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=3296 /prefetch:1
  2⤵
  PID:3036
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=3324 /prefetch:1
  2⤵
  PID:5116
- 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=2012,8208258143687256964,4629585369101000814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5504 /prefetch:8
  2⤵
  PID:4976
- 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=2012,8208258143687256964,4629585369101000814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5504 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1628
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=5500 /prefetch:1
  2⤵
  PID:3364
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=5592 /prefetch:1
  2⤵
  PID:812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=3348 /prefetch:1
  2⤵
  PID:2016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --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=3412 /prefetch:1
  2⤵
  PID:4760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2012,8208258143687256964,4629585369101000814,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
  2⤵
  PID:4516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3888

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

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Downloads

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

Filesize
152B

MD5
c5abc082d9d9307e797b7e89a2f755f4

SHA1
54c442690a8727f1d3453b6452198d3ec4ec13df

SHA256
a055d69c6aba59e97e632d118b7960a5fdfbe35cfdfaa0de14f194fc6f874716

SHA512
ad765cddbf89472988de5356db5e0ee254ca3475491c6034fba1897c373702ab7cfa4bd21662ab862eebb48a757c3eb86b1f8ed58629751f71863822a59cd26c

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

Filesize
152B

MD5
b4a74bc775caf3de7fc9cde3c30ce482

SHA1
c6ed3161390e5493f71182a6cb98d51c9063775d

SHA256
dfad4e020a946f85523604816a0a9781091ee4669c870db2cabab027f8b6f280

SHA512
55578e254444a645f455ea38480c9e02599ebf9522c32aca50ff37aad33976db30e663d35ebe31ff0ecafb4007362261716f756b3a0d67ac3937ca62ff10e25f

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

Filesize
264B

MD5
175dada6150ddbaf7303a2dd35d56700

SHA1
5412368cb6253e29efadbd96dc79bd3e06351549

SHA256
13ea7c41dce30cafbaa38965bbb637639a271af516fc9faf2e9579d3e754b78c

SHA512
51032e8125d0e666dda7e409ac2a58ca1241a462d2682bd7696624b4e1be1b2e76685224e7e0c67cdb080e2a157e99a58847299316873e25b17b8120fad3455c

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

Filesize
5KB

MD5
483a26db11a0d45210f131be8cb8c2da

SHA1
3df989c5f04a353411db522e3d0235740ae7c221

SHA256
650889d23104494d6886dae9bf9219cddf379fbf2c445d6ce674803823a23516

SHA512
8f02935b718f63cc020f41ca177beb4df82008a114b21f38e04409a75500ac6d6183d9364f6be4f174b812921373c394f471a0e1503d3e1dcc2b03024fbb0ebd

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

Filesize
6KB

MD5
a393cb58bf75d73a64bad716c52eb62a

SHA1
3af5e7d6de6b3f2e212c3694b3b2dd2cd32b1b30

SHA256
e93bdd02c7611abb0926c15d8a893ce93c8c37c30145e0efb1fe822b6284f5ba

SHA512
5344996d37409bb0249c97c640681d1f689766202e9aed6f356726d8721023ff8c3eddca7256f25efb415823da711d3ae1b7e04d7b2c9468ec2e59f0a5e0d4eb

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
11KB

MD5
8d5b2f92370cabed873858b6054488fc

SHA1
8ddae2362bf855d34a819b036d302d318cd59b74

SHA256
162cc39b68c0be093a9ff2d5f6a9cb7fc0d86efdfa59344bf9b2745e7d58e305

SHA512
3f59e4bb861fa873676e0367c906d1ce0818f53c06b02a0941b11e20b988b4210f280b0148cf4c765fe9d622fc6a871ebecb4de781c94c857b92ab12e035f85e

Download Submit