hxxp://tinyurl[.]com/yudfp4hf

Analysis

max time kernel
90s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 13:02

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General

Target

http://tinyurl.com/yudfp4hf

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3240	msedge.exe
3240	msedge.exe
3520	msedge.exe
3520	msedge.exe
3096	identity_helper.exe
3096	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe
3520	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 5016	3520	msedge.exe	85
PID 3520 wrote to memory of 5016	3520	msedge.exe	85
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 2604	3520	msedge.exe	87
PID 3520 wrote to memory of 3240	3520	msedge.exe	86
PID 3520 wrote to memory of 3240	3520	msedge.exe	86
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88
PID 3520 wrote to memory of 908	3520	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://tinyurl.com/yudfp4hf
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:3520
- 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,0x100,0x104,0xd8,0x108,0x7ffccddc46f8,0x7ffccddc4708,0x7ffccddc4718
  2⤵
  PID:5016
- 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=2124,221998565615313301,15292281906627746136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
  2⤵
  PID:2604
- 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=2124,221998565615313301,15292281906627746136,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
  2⤵
  PID:908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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=3268 /prefetch:1
  2⤵
  PID:2300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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:4084
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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=4540 /prefetch:1
  2⤵
  PID:4944
- 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=2124,221998565615313301,15292281906627746136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
  2⤵
  PID:5100
- 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=2124,221998565615313301,15292281906627746136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3096
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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=5296 /prefetch:1
  2⤵
  PID:4864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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=5304 /prefetch:1
  2⤵
  PID:1268
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4556 /prefetch:1
  2⤵
  PID:4828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,221998565615313301,15292281906627746136,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5084 /prefetch:1
  2⤵
  PID:1064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3740

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
7a5862a0ca86c0a4e8e0b30261858e1f

SHA1
ee490d28e155806d255e0f17be72509be750bf97

SHA256
92b4c004a9ec97ccf7a19955926982bac099f3b438cd46063bb9bf5ac7814a4b

SHA512
0089df12ed908b4925ba838e07128987afe1c9235097b62855122a03ca6d34d7c75fe4c30e68581c946b77252e7edf1dd66481e20c0a9cccd37e0a4fe4f0a6fe

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

Filesize
672B

MD5
eb2c721fe0ed03bd772062f4e03da6dd

SHA1
40518fd3b2fc809e76a67a897c4edafd4cb8b0e4

SHA256
fa8b19d9a16ea54f43cef5b4b0392ef92fbcb104148ed2239d5f15bc9c124a5d

SHA512
1948f90081302d8b0f9ae03d072bed29e76da543dd109d831cd93773504a88216af1341fb57b79dd2d7f7b0532c9a18fbaeaf01f9f540147bd9f612dfc738ca9

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
938B

MD5
7a7c3a5f14db43ab66311564333cf554

SHA1
f46f8eadeda5cec2e0454a24cf3cc2391e86316b

SHA256
286b8571f67d966cce4fa48b7e6ea97abda423d268558aaf8b68f43244dcd66c

SHA512
91ae63ff72dff3833dd1b98eefa9192ac7a79e9654dd3f4aed099eb00113f43dda5f2971834fdcf5be9d6facaec396a235ff926630ee27a4229b6f336727fd42

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

Filesize
5KB

MD5
7906ed06782ced552e55d17ec0756a04

SHA1
bf1398bbd5f1f748a18451076cdc825af3725fbb

SHA256
91e5414899fd9b23de9026f94c80b32bd139fade475827cc71ea8612ac21955a

SHA512
8e55ea5b91e2d66ec22d043e755881ceb0183f70297b33f2565b5ad57215e3044097ebe84f9256e5cbaa631892970dccc8700cc14e193947f1851387afdbb866

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

Filesize
5KB

MD5
3c73a543f783736ef34dfa0e59fc5d06

SHA1
395ce1ea3a8e6b4d55d2d81d92f54d87e8e0e03e

SHA256
74ce042c230cc84bf7f21bfad7e9db31bf64b430c60cea26aef4cce8bdf6bd9b

SHA512
2bc31f8bab63ba2d70f4574535b2607fb0ef37934dc3ec6a5ea35abd205706086682391893c70ce8beccf96783dcc9cc5727599a59903bd03e575c62285e7a7a

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

Filesize
24KB

MD5
52826cef6409f67b78148b75e442b5ea

SHA1
a675db110aae767f5910511751cc3992cddcc393

SHA256
98fc43994599573e7181c849e5865f23b4f05f85c1115dff53c58764d80373fb

SHA512
f18df18cab6b5ecd71b79c81a2a1fdac42cc9960f62f06ac25f4d6487792705f2766ee3a10239eaac940d090186e6bc820e4eb7a5ee138f6e5c1c64f951b960c

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
10KB

MD5
4a9fd3fecb24b98de8c9cb65fb7bdbd9

SHA1
5b7bcc4b7f27a6ce6d729889b4ef4e45e5d5a40a

SHA256
0b8c162615223044ac006a1b4a93b66521fd982888fb30ebf04e67684362dcd3

SHA512
07182f8b6941f51f02fb754606997a384625ab16fe958974956adec804b10c0287387f96d341b3e3177cf03494b1610ff02314505700c67e45058ac1a3f22fb1

Download Submit