hxxps://www[.]buxloot[.]com

Analysis

max time kernel
145s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 00:15

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General

Target

https://www.buxloot.com

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
1356	msedge.exe
1356	msedge.exe
3480	msedge.exe
3480	msedge.exe
4596	identity_helper.exe
4596	identity_helper.exe
1212	msedge.exe
1212	msedge.exe
1212	msedge.exe
1212	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe
3480	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 1008	3480	msedge.exe	34
PID 3480 wrote to memory of 1008	3480	msedge.exe	34
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 2144	3480	msedge.exe	91
PID 3480 wrote to memory of 1356	3480	msedge.exe	92
PID 3480 wrote to memory of 1356	3480	msedge.exe	92
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93
PID 3480 wrote to memory of 1344	3480	msedge.exe	93

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.buxloot.com
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:3480
- 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,0x100,0x104,0xd8,0x108,0x7fff513146f8,0x7fff51314708,0x7fff51314718
  2⤵
  PID:1008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:2144
- 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=2084,6702195876240389831,13349762938666439930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1356
- 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=2084,6702195876240389831,13349762938666439930,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
  2⤵
  PID:1344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=3384 /prefetch:1
  2⤵
  PID:4052
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=3400 /prefetch:1
  2⤵
  PID:4808
- 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=2084,6702195876240389831,13349762938666439930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5256 /prefetch:8
  2⤵
  PID:3564
- 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=2084,6702195876240389831,13349762938666439930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5256 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=4044 /prefetch:1
  2⤵
  PID:1824
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=4828 /prefetch:1
  2⤵
  PID:2028
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=3416 /prefetch:1
  2⤵
  PID:4316
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=5636 /prefetch:1
  2⤵
  PID:4828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,6702195876240389831,13349762938666439930,131072 --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=2072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2352

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
f35bb0615bb9816f562b83304e456294

SHA1
1049e2bd3e1bbb4cea572467d7c4a96648659cb4

SHA256
05e80abd624454e5b860a08f40ddf33d672c3fed319aac180b7de5754bc07b71

SHA512
db9100f3e324e74a9c58c7d9f50c25eaa4c6c4553c93bab9b80c6f7bef777db04111ebcd679f94015203b240fe9f4f371cae0d4290ec891a4173c746ff4b11c1

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

Filesize
152B

MD5
1eb86108cb8f5a956fdf48efbd5d06fe

SHA1
7b2b299f753798e4891df2d9cbf30f94b39ef924

SHA256
1b53367e0041d54af89e7dd59733231f5da1393c551ed2b943c89166c0baca40

SHA512
e2a661437688a4a01a6eb3b2bd7979ecf96b806f5a487d39354a7f0d44cb693a3b1c2cf6b1247b04e4106cc816105e982569572042bdddb3cd5bec23b4fce29d

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

Filesize
471B

MD5
971df7f0d4a94d867164ddf93041c93c

SHA1
78f1836da604462275f816b41c0f0ac0e983ef03

SHA256
6e58c803a7fac0e53a4503d05b01e4af070e125fdbac528589d86ababba64a6d

SHA512
c65cc7618945bc4d6e1151295ca82887a6a5ba6a3013fb98cf94c684cdfde9a36dc58ff1ba810b6dfb003d86181fb8598e2ba44b44ee57efa2d51f35fa6c81e0

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

Filesize
6KB

MD5
6b4d4e5829762293fc7c9a4547c22fea

SHA1
f8fa10dd66fe7a6012d35040496195db4428c87e

SHA256
451e8354ed730d703213f7cabad2be1853f13993fbb3a26e434e4e51ef8a790c

SHA512
54c38c81493441ef95ab98b0153e1c3c038f065c84b90fe9fc1f21369eb6e88ed88e56eb04910c28611c07020273c7960648cae372c3c4afecbda854d21df5c7

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

Filesize
6KB

MD5
67bd04fb4fa63b3cc95bc4af14f7f373

SHA1
d49e40f81d126db05f98c0945b442e264da713c1

SHA256
59ca9b2286f6ac5429196ba433480e1681fd850fd3afe7afe3c872882c6ff823

SHA512
8211e822d2a76a3f33085ff5ad1e6ba98864aa4e911c0e1d172170cc49b4ddafef6073b1bdcb3c3db0b1b21570ca0f414f8c4ee05bb56775e6b46c45e7342eee

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
81fbdbf5ca991d7d7a16b82f5ab207f4

SHA1
1f244b6664eb3fce7224032f18c6bdc46a699198

SHA256
b81460a95c594d73c330d0e5650a292aeae24597584773113cf04f1b1468b418

SHA512
abb903d17776514c96957442c5c49167cfb0aec697c9312017f6580f494cb3c314d5c614a8da1ffd0725ea576ec5e99abedc4ffcb57c8e62b683beacecbab17b

Download Submit