hxxps://mcrosoft-mcrosoft-mcrosoft[.]kestecinternational[.]com/?mk=YWdsZW5uQG1vbnRyb3NlLWVudi5jb20=$

Analysis

max time kernel
1680s
max time network
1685s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
21-11-2024 02:58

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General

Target

https://mcrosoft-mcrosoft-mcrosoft.kestecinternational.com/?mk=YWdsZW5uQG1vbnRyb3NlLWVudi5jb20=$

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 12 IoCs

pid	Process
4056	msedge.exe
4056	msedge.exe
1008	msedge.exe
1008	msedge.exe
1620	identity_helper.exe
1620	identity_helper.exe
2992	msedge.exe
2992	msedge.exe
4208	msedge.exe
4208	msedge.exe
4208	msedge.exe
4208	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 4376	1008	msedge.exe	77
PID 1008 wrote to memory of 4376	1008	msedge.exe	77
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 1636	1008	msedge.exe	78
PID 1008 wrote to memory of 4056	1008	msedge.exe	79
PID 1008 wrote to memory of 4056	1008	msedge.exe	79
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80
PID 1008 wrote to memory of 3400	1008	msedge.exe	80

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://mcrosoft-mcrosoft-mcrosoft.kestecinternational.com/?mk=YWdsZW5uQG1vbnRyb3NlLWVudi5jb20=$
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:1008
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffc58373cb8,0x7ffc58373cc8,0x7ffc58373cd8
  2⤵
  PID:4376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
  2⤵
  PID:1636
- 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=1832,9909414410288951119,5103609875321921051,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4056
- 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=1832,9909414410288951119,5103609875321921051,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2564 /prefetch:8
  2⤵
  PID:3400
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=3108 /prefetch:1
  2⤵
  PID:3988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=3076 /prefetch:1
  2⤵
  PID:3184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=3828 /prefetch:1
  2⤵
  PID:4892
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=4604 /prefetch:1
  2⤵
  PID:3172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=5172 /prefetch:1
  2⤵
  PID:4644
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=4748 /prefetch:1
  2⤵
  PID:1728
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5452 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1620
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5496 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2992
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1832,9909414410288951119,5103609875321921051,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=4804 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
003b92b33b2eb97e6c1a0929121829b8

SHA1
6f18e96c7a2e07fb5a80acb3c9916748fd48827a

SHA256
8001f251d5932a62bfe17b0ba3686ce255ecf9adb95a06ecb954faa096be3e54

SHA512
18005c6c07475e6dd1ec310fe511353381cf0f15d086cf20dc6ed8825c872944185c767f80306e56fec9380804933aa37a8f12c720398b4b3b42cb216b41cf77

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

Filesize
152B

MD5
051a939f60dced99602add88b5b71f58

SHA1
a71acd61be911ff6ff7e5a9e5965597c8c7c0765

SHA256
2cff121889a0a77f49cdc4564bdd1320cf588c9dcd36012dbc3669cf73015d10

SHA512
a9c72ed43b895089a9e036aba6da96213fedd2f05f0a69ae8d1fa07851ac8263e58af86c7103ce4b4f9cfe92f9c9d0a46085c066a54ce825ef53505fdb988d1f

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

Filesize
218B

MD5
b02350165d3b0f279b56fa2b3f7e707b

SHA1
b8ed8a3ff1b28ece9c412bb2aebf3f8c243e925a

SHA256
04aac4cf1d7c3ed2ec2f453128887ceb927a6ca1557df37a7a7f5f5608004761

SHA512
c16ec6f71e8bf8c84a659541582b8b068dfe483358b3f896ba61e79da4679a97b4ffd6418ace10d4063105c9998b791f40c0054cc8e4f1ceb05f79f26f57527c

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

Filesize
5KB

MD5
951a321822237e7f12a10fa320e147f4

SHA1
505654e17da7f4aaaa93f8c13cf811adf478f460

SHA256
8c598260a1ac2833d99de456eb454c7d1091600f44ebdb83d4f72236c18269d3

SHA512
3095e82172c48c1759fc241fcd8f1c90bb6e2c3fef86c28e82177556c4773b67ba5ed846c85b2548f26deeada000a7462398819d44fe698d29d256b7da2e2a34

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

Filesize
6KB

MD5
baf4a3498586c19b3cace9d5fc15486f

SHA1
7fe1016e30f7f59210e0e5f2a33a3bef7ed90bf3

SHA256
d8e05eba2577cc20ae28b85e22261beeaaa41d7223e1417ac9bff33b02b181f0

SHA512
5da1db2284da369a3a8780219a14bdfba9dd139015770aa7afcc0d3f00997ab4191b383ed4b2692ccc765c37d3d7f2fb6604f51e49bc42e1ae05f5f00d73ac6c

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
10KB

MD5
a63451c1fd116ca50a4ad0e72b611dea

SHA1
1100d33d0c7b88dd68783dd5b4ea45f9ae452d52

SHA256
5fd51d51ed3da9e87899e78bfc668b3269483ebbdc62faeeb756013c13933b6f

SHA512
7f6c15d3d52a01e5bc4d8826c9ba02faea627c7bbf24f556c2ffad826468ed004c0dd30d7a5546fdcf35de4c74cdec876f131462fc98e233bf0a40beb586cbfa

Download Submit