hxxp://rhcsa[.]linux-shared-pkgs[.]de/firewall_update

Analysis

max time kernel
112s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 14:00

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General

Target

http://rhcsa.linux-shared-pkgs.de/firewall_update

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
816	msedge.exe
816	msedge.exe
4132	msedge.exe
4132	msedge.exe
4544	identity_helper.exe
4544	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe
4132	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 3292	4132	msedge.exe	19
PID 4132 wrote to memory of 3292	4132	msedge.exe	19
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 3932	4132	msedge.exe	46
PID 4132 wrote to memory of 816	4132	msedge.exe	45
PID 4132 wrote to memory of 816	4132	msedge.exe	45
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44
PID 4132 wrote to memory of 116	4132	msedge.exe	44

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://rhcsa.linux-shared-pkgs.de/firewall_update
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:4132
- 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,0x100,0x104,0xd8,0x108,0x7ffcf22646f8,0x7ffcf2264708,0x7ffcf2264718
  2⤵
  PID:3292
- 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=2104,3316767207137241708,13079003046884741952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2780 /prefetch:8
  2⤵
  PID:116
- 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=2104,3316767207137241708,13079003046884741952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:3932
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=3296 /prefetch:1
  2⤵
  PID:1084
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=3276 /prefetch:1
  2⤵
  PID:5100
- 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=2104,3316767207137241708,13079003046884741952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
  2⤵
  PID:4988
- 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=2104,3316767207137241708,13079003046884741952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=5248 /prefetch:1
  2⤵
  PID:3796
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=5232 /prefetch:1
  2⤵
  PID:836
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=5668 /prefetch:1
  2⤵
  PID:4100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,3316767207137241708,13079003046884741952,131072 --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=5492 /prefetch:1
  2⤵
  PID:2020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2992

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
f246cc2c0e84109806d24fcf52bd0672

SHA1
8725d2b2477efe4f66c60e0f2028bf79d8b88e4e

SHA256
0c1014ae07c2077dd55d7386cc9cf9e0551be1d67fe05a6006957427ae09fec5

SHA512
dcf31357eb39a05213550a879941e2c039ec0ba41e4867d5d630807420f070289552d56d9f16c6d11edcdb0f9448bf51e7d2e460e88aa9c55a5bfe5d8d331640

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
5KB

MD5
2988dd268cef1b7911c0d75c6d6bc66c

SHA1
46cd145445d54cbecc5424a2066c85a9e1b306de

SHA256
4700ac8de63a183b8ab7b87d497f361ea09d38c5ee7247d1decf959da74fa1c6

SHA512
d290ee03a60a0bb3a07989a0858481d2693ee7feb56580a0e886a42173cf8c869d17baed67a2d804eeef471c2d3b42b6bff9cb250c1b119e289f038fbb8774e6

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

Filesize
5KB

MD5
0ba494c77007a554585c2387b62f7082

SHA1
e273894ce53a7528b7d5f6a4952ac468e423def6

SHA256
4fdb9ae720dde842574be6fc2307ca93edd7cb6e7a6c4e130cc7d0df92bf9364

SHA512
6d6277428a7a91bf8a6d64a10d311aaeb6210bdc42fce83d557b22f2d10409a9efe17817deff0ab14ac8a377e94278d3265586b5a4ffe59cedefe2beac0602ca

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

Filesize
6KB

MD5
d0db9d3359ee2343ac35bed39b90359f

SHA1
68b6c497ceb97fe0bcef0855e57ded0391554e81

SHA256
4cf93dce11410286ccf00d918b6b89fb17f4ae788fd3cbec3d32aeec7494de7e

SHA512
735c3a2e2a13390a6119001965cf15c03bfc53b38e59f22011f985cf8fea328645be40e7b1fbb53a26c7b91258e915c5a57e7be0305fd7c1e9cded2563f32936

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

Filesize
24KB

MD5
5e62a6848f50c5ca5f19380c1ea38156

SHA1
1f5e7db8c292a93ae4a94a912dd93fe899f1ea6a

SHA256
23b683118f90c909ce86f9be9123ff6ac1355adb098ffbb09b9e5ec18fc2b488

SHA512
ce00590890ed908c18c3ec56df5f79c6c800e3bea2ad4629b9788b19bd1d9e94215fb991275e6ec5a58ac31b193e1c0b9cbaa52ff534319a5e76ec4fc8d3ba54

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
ce35255b5c15bb0a71df3a861d6b35b6

SHA1
e7dd385859396973d3d09a3a972ab42c1dbcfd1e

SHA256
8c0bf8c49585f0ec8dea79f77a32b893bb871e56c256a3d3edd84df1f3a1fc01

SHA512
872d48d441db77dc43ea7c5a78b8527b8cecaa63cee502549fc5e0c5f3402b5356dd2f9b31ef2853a4f377b56b3d4452d0331262a45fbb4fc4bc344e8a8768c9

Download Submit