hxxps://u[.]to/BI3CIA

Analysis

max time kernel
61s
max time network
66s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
04-07-2024 01:35

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General

Target

https://u.to/BI3CIA

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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 8 IoCs

Processes:

msedge.exemsedge.exemsedge.exeidentity_helper.exe

pid process

2228 msedge.exe
2228 msedge.exe
1816 msedge.exe
1816 msedge.exe
1096 msedge.exe
1096 msedge.exe
1760 identity_helper.exe
1760 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

Processes:

msedge.exe

pid process

1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe

pid	process
2228	msedge.exe
2228	msedge.exe
1816	msedge.exe
1816	msedge.exe
1096	msedge.exe
1096	msedge.exe
1760	identity_helper.exe
1760	identity_helper.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe
1816	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

msedge.exe

pid process

1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe
1816 msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 1816 wrote to memory of 2572	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 2572	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 3312	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 2228	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 2228	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe
PID 1816 wrote to memory of 5096	1816	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://u.to/BI3CIA
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:1816

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,0x7ffaaa3e3cb8,0x7ffaaa3e3cc8,0x7ffaaa3e3cd8
2⤵
PID:2572

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1876 /prefetch:2
2⤵
PID:3312

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=1904,4708804388200679805,13814335755267452342,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2392 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2228

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=1904,4708804388200679805,13814335755267452342,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2700 /prefetch:8
2⤵
PID:5096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=3264 /prefetch:1
2⤵
PID:716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=3280 /prefetch:1
2⤵
PID:4268

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=4068 /prefetch:1
2⤵
PID:3508

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=1904,4708804388200679805,13814335755267452342,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5308 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1096

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=1904,4708804388200679805,13814335755267452342,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1760

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=5104 /prefetch:1
2⤵
PID:5056

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=4804 /prefetch:1
2⤵
PID:2148

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=4480 /prefetch:1
2⤵
PID:1008

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1904,4708804388200679805,13814335755267452342,131072 --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=4636 /prefetch:1
2⤵
PID:2340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:932

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
f717f56b5d8e2e057c440a5a81043662

SHA1
0ad6c9bbd28dab5c9664bad04db95fd50db36b3f

SHA256
4286cd3f23251d0a607e47eccb5e0f4af8542d38b32879d2db2ab7f4e6031945

SHA512
61e263935d51028ec0aab51b938b880945a950cec9635a0dafddf795658ea0a2dfcf9cfc0cab5459b659bb7204347b047a5c6b924fabea44ce389b1cbb9867d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
196eaa9f7a574c29bd419f9d8c2d9349

SHA1
19982d15d1e2688903b0a3e53a8517ab537b68ed

SHA256
df1e96677bcfffe5044826aa14a11e85ef2ebb014ee9e890e723a14dc5f31412

SHA512
e066d74da36a459c19db30e68b703ec9f92019f2d5f24fd476a5fd3653c0b453871e2c08cdc47f2b4d4c4be19ff99e6ef3956d93b2d7d0a69645577d44125ac7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize
480B

MD5
a822be41a275266d4c8f95017181ee68

SHA1
01935ef5bc3c740829ff8795426d47784e40f3a7

SHA256
b6c817b2cdc7a2d5d8c3d8dd6e0d6cedbcb796088f39d5f3c1add3690bf3bd71

SHA512
0335e21cd45ff961565c238f24ad00c8acad0024d278252a323aa2a46004a9cc14b425b7a4998422946aa80ac362b5533bb8733072e77ea73f75b2f182d77ea1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
001a8347cce56b20aaa9e8640237844c

SHA1
ed3d49cc0a492b063acdc74d9974ba93b0a01852

SHA256
f6df0c27259fbc52147f1dab67a25bcfced3ce5b6d478dfe781fe73b51ae193b

SHA512
a05838f956a6af5c618ff15d0a86fd434df99d994d9e2a25a4f7d2795dd3028046870b0ef1f71495db08b58b4f43123c253dc4e21ae6f7087d2d70b3baa18d07

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
e500b58a6415199bbdd2b698a34ad6b7

SHA1
c1b5d2a3dc533aa99015c462a18281bb22e85dcb

SHA256
4b80e3375ea1c773560b5f997094a0e66c8f1696be5e1ab93e0ffc2ab638353d

SHA512
90976b14de083fc39ecef0f67dfd00681c06975266d8df651114efb93f2240a5cf6cec76a4492f5ece2ecc285dba2bd8d5ea628f1dcec149c448f4605c54acbb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\c9f7936d-4097-488b-8269-497b9e6102fa.tmp
Filesize
5KB

MD5
39890faa1880730f3f8ad1bba69a688a

SHA1
596df11a3cd995185dc8359c4712e2aee37bc398

SHA256
fb0e990692cc049f2d208d1048e07a4c59f7b6d08ba3f873884d7450d919434c

SHA512
8aeb693c871d9e11ce86f39a745072a056414ff09ba616566443024ace435a74273c955882ebf7542cca1e5c5f1d899c8462b071a97b3ff31c8d366d77ea43ab

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

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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
Filesize
11KB

MD5
ab623277e0d4e3eb0337051d40fd4fcb

SHA1
073054a31c6576e6ea4d137a27e3de08fda5ba11

SHA256
b2877438ee8d667a7c695440566f191c75b6f3c3b0a77d6d8242af0283728dc1

SHA512
997f5920ab69fe85938427e994b07be3d64b0aa3bed34ac3c8e2d13d0a0cb52c4b443673bd38fca58138044da30ff8af466b0199b469d3e96cc1bfe70ea940e6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
Filesize
11KB

MD5
860abfde2bedca0a8202e0c08098a820

SHA1
6e71903eb589e6293c23d3c9fbcbaa16cb20f187

SHA256
985c7612e0c25332cfc87f7470ba3808c168d8706972f5eef78d73fd801e2b87

SHA512
e47de3de243fb1f5c738feb639424cf4717f908e7331e39dfc57fedf4095c798075fa00226890fee6f1113d6109f85bfb7fa5b700c7d46b68e60bacc25b5d43b

Download Submit
\??\pipe\LOCAL\crashpad_1816_UUCEFVGNHRURLQIO
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit