hxxps://best-links[.]org/s?Mzeb

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Analysis

max time kernel
1767s
max time network
1685s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
03/06/2024, 07:47

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General

Target

https://best-links.org/s?Mzeb

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 12 IoCs

pid	Process
3292	msedge.exe
3292	msedge.exe
1532	msedge.exe
1532	msedge.exe
780	identity_helper.exe
780	identity_helper.exe
412	msedge.exe
412	msedge.exe
3032	msedge.exe
3032	msedge.exe
3032	msedge.exe
3032	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe
1532	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 4380	1532	msedge.exe	78
PID 1532 wrote to memory of 4380	1532	msedge.exe	78
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 2360	1532	msedge.exe	79
PID 1532 wrote to memory of 3292	1532	msedge.exe	80
PID 1532 wrote to memory of 3292	1532	msedge.exe	80
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81
PID 1532 wrote to memory of 5112	1532	msedge.exe	81

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://best-links.org/s?Mzeb
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:1532
- 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,0x7fff30433cb8,0x7fff30433cc8,0x7fff30433cd8
  2⤵
  PID:4380
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1932 /prefetch:2
  2⤵
  PID:2360
- 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=1904,3862511693284111918,17195088311910915536,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  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=1904,3862511693284111918,17195088311910915536,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2744 /prefetch:8
  2⤵
  PID:5112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=3344 /prefetch:1
  2⤵
  PID:2008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=3336 /prefetch:1
  2⤵
  PID:3800
- 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=1904,3862511693284111918,17195088311910915536,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4008 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=5428 /prefetch:1
  2⤵
  PID:1688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=3992 /prefetch:1
  2⤵
  PID:1620
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=4772 /prefetch:1
  2⤵
  PID:2084
- 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=1904,3862511693284111918,17195088311910915536,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5508 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:1
  2⤵
  PID:3900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5388 /prefetch:1
  2⤵
  PID:4428
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1904,3862511693284111918,17195088311910915536,131072 --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=2528 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3152

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2744

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
de47c3995ae35661b0c60c1f1d30f0ab

SHA1
6634569b803dc681dc068de3a3794053fa68c0ca

SHA256
4d063bb78bd4fa86cee3d393dd31a08cab05e3539d31ca9f0a294df754cd00c7

SHA512
852a9580564fd4c53a9982ddf36a5679dbdce55d445b979001b4d97d60a9a688e532821403322c88acc42f6b7fa9cc5e964a79cbe142a96cbe0f5612fe1d61cb

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

Filesize
152B

MD5
704d4cabea796e63d81497ab24b05379

SHA1
b4d01216a6985559bd4b6d193ed1ec0f93b15ff8

SHA256
3db2f8ac0fb3889fcf383209199e35ac8380cf1b78714fc5900df247ba324d26

SHA512
0f4803b7b7396a29d43d40f971701fd1af12d82f559dcfd25e0ca9cc8868a182acba7b28987142c1f003efd7dd22e474ac4c8f01fe73725b3618a7bf3e77801d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
72B

MD5
cd94482605a0a06571641ba8588377fa

SHA1
89d45e7aeb117c9dc1990180d406fbfaeca2d10a

SHA256
7d917d882618bb885bfd1cd0b72e2bff8073468c778fe5c8a659daf9824e7a23

SHA512
64d499cb01f6df900e53cbf0cdf067d5d623539c83b7ce9708507e43985e943ce3a64c28b112dffc3b2e1168551885a68b133c7d78cbde10578afa5fbcf13da2

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

Filesize
1KB

MD5
bc6c4aab06b1fe3f8b9077aef7471760

SHA1
b50a0bd55dc53eb747c705e88c675a5b2463a541

SHA256
f93e1d3dd2b9d2a9a64718e9c679670eae7ac7c3b37a1ff390752d1c4477d4e9

SHA512
b7501695908321621811de003d4eb179ca90aaf45f960232195ec028a09f07abdefdb6cb4175db556a36a58c7ae27d8c16341d558956691535b9f05d7f2b6662

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

Filesize
1KB

MD5
99066e22c41d66c6dbf9629bb948b211

SHA1
2265852f3ad54cf60769ad5af539831d94fb3b6a

SHA256
57314c1c16e4a432affd7913d98096473acb96e5917e03f3facbd35c2019ab89

SHA512
2df4947ead0c8a6c70cbeaf4bd7587386cbb99da7998f57ae88868458acf3b9deca2db40fce87b3106dbef4ebe724c6f185eeeb0a8dd4351fe012b136b4a44a3

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

Filesize
5KB

MD5
e2b07a92c9e0c453a9d92873eb46bdfc

SHA1
6b3461b29d3d8fe6e79775c53f3bad06c9741b91

SHA256
4596ffe12ba7464b7905dd8d0ef7ea7abdcc8c11d4e9305c8d9edaf08c366758

SHA512
7474a432c7a9cf65a06c2203ddce678b5aaf8982e0dca7728dad71f4fc00a03e7317414bdd3bc4af94a01ae5526558c69a77ee488abee9d731d268c14e825397

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

Filesize
6KB

MD5
b75495b699a751a07d2281e75f1b90d1

SHA1
e7cbbf56925a05049d776302f72d91ce77e77d42

SHA256
22a89288de81750ed354ec2753bb812d504e6fe9fd50140c503e431637778bbd

SHA512
a5bb59c8a45633ad75829c177c4c63b433ad9a1163bddff7e370532768c836fb58149289e9ec38802e39fcdeb257d1365216d931e1407f4ddf271ed93ff84d57

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
413baf12f34d48280eff31dd985bf6c6

SHA1
e7cc4591f243a044809ef9f82ba6f8d60ce66eeb

SHA256
27b5bcf617702f5d1414742c18c3a697cc565ce457ffa1d872f677ac78e53d11

SHA512
bd432a2be2e45b7143aa164e11ecbcf94085ac2089276a316075f58ee62253bbae0ab45e3e162aa0e662f01d0db12f58bc5415b95da107519f4d39c57502c2a5

Download Submit