hxxp://stomaf[.]pl/

Analysis

max time kernel
25s
max time network
20s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 08:11

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General

Target

http://stomaf.pl/

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
548	msedge.exe
548	msedge.exe
2156	msedge.exe
2156	msedge.exe
4500	identity_helper.exe
4500	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe
2156	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 4200	2156	msedge.exe	64
PID 2156 wrote to memory of 4200	2156	msedge.exe	64
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 3140	2156	msedge.exe	92
PID 2156 wrote to memory of 548	2156	msedge.exe	90
PID 2156 wrote to memory of 548	2156	msedge.exe	90
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91
PID 2156 wrote to memory of 4556	2156	msedge.exe	91

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://stomaf.pl/
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:2156
- 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,0x100,0x104,0xd8,0x108,0x7fff955046f8,0x7fff95504708,0x7fff95504718
  2⤵
  PID:4200
- 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=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2144 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:548
- 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=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2872 /prefetch:8
  2⤵
  PID:4556
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2056 /prefetch:2
  2⤵
  PID:3140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --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=3248 /prefetch:1
  2⤵
  PID:4748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --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=3256 /prefetch:1
  2⤵
  PID:3204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5068 /prefetch:1
  2⤵
  PID:1640
- 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=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  PID:4272
- 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=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3616 /prefetch:1
  2⤵
  PID:4724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3580 /prefetch:1
  2⤵
  PID:4104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5216 /prefetch:1
  2⤵
  PID:212
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1972,525317978450640459,4392846461763473884,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5668 /prefetch:1
  2⤵
  PID:1848

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3524

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
e189354a800c436e6cec7c07e6c0feea

SHA1
5c84fbda33c9276736ff3cb01d30ff34b032f781

SHA256
826adca1e688de79a3ec5b91c75990927fb2a33ae717f474608c68336053f427

SHA512
ceb069a5e83a634503e253846fa17b8bf7aaa539c3353ce61251633d69068e24c5eadd1b496f43058790d2b513e65d2c0b0213730813d0b58bb82a00596e05e4

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

Filesize
152B

MD5
b9e3e150cfe464e9ebf0a6db1aa5e7a2

SHA1
3cb184e2781c07ac000661bf82e3857a83601813

SHA256
2325a6292907263d1fb089a09f22fbcc6bad56f4961d427efdef1abaef097bcc

SHA512
f5eb1e76eb9441cf5000d8d4db9296077b61714ead5012779c084b37f4bba07614055738f5dce69b13b25975d9b7c03eab049b7685eee09b23fd8d4a7d71a039

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
6KB

MD5
44caa56aa6c58c95c9a1ec078a3e418e

SHA1
af07c5449279703092e9343c209149627dbbd0ed

SHA256
6611ebe2c64fac85f59e714c02243f5523c4690638e2cc87d3e7b5755f809f9b

SHA512
e1db4b85c3041f0483893a9972d44261efd3ff1b0f2f7f586fede50c014eba40e742090466bc9dc489fe557e8fedea6934d042c129e690e68f6463b9eaec86ad

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

Filesize
6KB

MD5
1440ba1a4838e2496494611551b59e3c

SHA1
c316061a4b7b9d5b4c28895fc44c589145866045

SHA256
ac87c260a95353454482b139b23291e0006c02f2951535cc67d43dee93551311

SHA512
93156fcae086a832f532c767b138c52292c105459d8bcc7cf393cc9421ed2c118bc57c75ce797456f8bc99d02bbb634130c9861867ce2996d549f6fe9925fc34

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

Filesize
7KB

MD5
fd37688a75a7bec5fc4d1df1c302ed15

SHA1
14a5f6b42c14871020ee6362bef2f1ef004fc7e1

SHA256
f0d148cdc141582ec87d24aaa8396beff6cf2a6593f3e4ffa343eb8e2a8f29d0

SHA512
ab265eb685ffe36812d4e84c1272f9256e3799b3b001b81af6dd00d2e1ffb13a131282082ddbaae47e62ed83774a2b20853d034f9e5f5c53f041279311e0e2e1

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
11KB

MD5
56547d2409a0d08c6b4d4eeb9c1eee89

SHA1
2abf94831afef39ec23b12a9b1cad8c61917b1e7

SHA256
f86873628f1e26ce6824e733fc64a7464f5396b64d88a7a2477944adf2baabed

SHA512
80e82c41966da2da3dd7d3fc4bd7135c36ac81663a5a11c10a1b66a6993f281aa48763ecccbfcc46b7ded13b942f837552b66e7643212e9ce0c1399b42160d58

Download Submit