02c931e1400ae29115adba8dbd21311a5b36e7eb1be9ab54050c942343128382

Analysis

max time kernel
158s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 00:09

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General

Target

libbandlimited_resampler_plugin.dll?id=8328c31dba7c71ee20ee32f1a735d639f9e43928.html
Size

296KB
MD5

447e6e34bc855f3187e0b6cb4c823cec
SHA1

1a19c02b7d06fc09a017d1be5f29db82405d1809
SHA256

02c931e1400ae29115adba8dbd21311a5b36e7eb1be9ab54050c942343128382
SHA512

f66a0d214e3a9e48ef9f552e93177ddfbcee70835d1565e67dbd31a5b2c1877a314f3b1a7dd1cee2d6f317712efdcecc554728dfe0d4419daef251ee538403a4
SSDEEP

3072:gh/1lXWO8izsxRI+AeAYsWU8IiEZLjhEYUz6:WXl8AsPAeFsWU8IiEZvhxUz6

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
1372	msedge.exe
1372	msedge.exe
2244	msedge.exe
2244	msedge.exe
2708	identity_helper.exe
2708	identity_helper.exe
1752	msedge.exe
1752	msedge.exe
1752	msedge.exe
1752	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe
2244	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 112	2244	msedge.exe	82
PID 2244 wrote to memory of 112	2244	msedge.exe	82
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 2088	2244	msedge.exe	85
PID 2244 wrote to memory of 1372	2244	msedge.exe	86
PID 2244 wrote to memory of 1372	2244	msedge.exe	86
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87
PID 2244 wrote to memory of 1780	2244	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\libbandlimited_resampler_plugin.dll_id=8328c31dba7c71ee20ee32f1a735d639f9e43928.html
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:2244
- 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,0x100,0x104,0xd8,0x108,0x7fff3dc646f8,0x7fff3dc64708,0x7fff3dc64718
  2⤵
  PID:112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2092 /prefetch:2
  2⤵
  PID:2088
- 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=2064,12610884915856881812,4418729393990318336,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1372
- 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=2064,12610884915856881812,4418729393990318336,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
  2⤵
  PID:1780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=3236 /prefetch:1
  2⤵
  PID:3648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=3244 /prefetch:1
  2⤵
  PID:1648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=4796 /prefetch:1
  2⤵
  PID:5092
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5088 /prefetch:1
  2⤵
  PID:1208
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=5456 /prefetch:1
  2⤵
  PID:3668
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=5484 /prefetch:1
  2⤵
  PID:2940
- 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=2064,12610884915856881812,4418729393990318336,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2016 /prefetch:8
  2⤵
  PID:1380
- 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=2064,12610884915856881812,4418729393990318336,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2016 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2708
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,12610884915856881812,4418729393990318336,131072 --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=2888 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5084

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
846ce533b9e20979bf1857f1afb61925

SHA1
4c6726618d10805940dba5e6cf849448b552bf68

SHA256
b81574d678f49d36d874dc062a1291092ab94164b92f7e30d42d9c61cc0e77c3

SHA512
8fb228fae89f063159dabc93871db205d836bdb4ec8f54a2f642bd0b1ac531eea0c21234a8ca75a0ae9a008d2399a9bf20a481f5d6a6eab53a533cd03aeaaa2c

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

Filesize
152B

MD5
104aab1e178489256a1425b28119ec93

SHA1
0bcf8ad28df672c618cb832ba8de8f85bd858a6c

SHA256
b92c19f079ef5948cb58654ce76f582a480a82cddc5083764ed7f1eac27b8d01

SHA512
b4f930f87eb86497672f32eb7cc77548d8afb09ad9fdba0508f368d5710e3a75c44b1fd9f96c98c2f0bd08deb4afde28330b11cf23e456c92cc509d28677d2cf

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

Filesize
6KB

MD5
9314f7e00789d1fb03404ccac6626c3c

SHA1
b7f4fe10ef46032ad4ebbecf9f9f787a42b6d446

SHA256
b5fe71b2e9e126fe5f8010fe1a29e9f9e350f813b2f995905f8cad6fb0bfd621

SHA512
3a88f101b5a713001b769dd95326c7606341c66583503e213f6214809270577f2861e72e5138c93213e1e3f3383add78b231bbd924b40c233779e54949f9cd34

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

Filesize
6KB

MD5
3c414c5c778b3d1632c2ae08ddaef171

SHA1
056c3dc91a919e7372387d535a92f8518f7ff9d1

SHA256
9a8d53b1df451d22000d11d8c9fda94ee8a0d1a46803a33e9379be223538bf4d

SHA512
dcabe0b8c4cac769e7be58e4f943dccbd2f83d0139d6ca8d05b27bf2ce85986b39c7582e073552365dc3d0ebaf0f37a824eb899723f95d930096b492f0d7a226

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\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\Local State

Filesize
11KB

MD5
9971fa3849880357e909b52730231fd4

SHA1
4a66f4420f48deef6bf2f7def746c5f7df9a3f9a

SHA256
915c2f4b77dceffad2beee5b9d46721dcabfd80790ff99cc814d20bdae97f6f4

SHA512
6126bba3f8d186590841d59a244b26bc798e64feeddb79a0910ef5572d64ca472f182b1e7c4613e3d309e4badaef72e0d238332c82f2c41417ad857364d743c4

Download Submit