hxxps://mcusercontent[.]com

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 08:01

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General

Target

https://mcusercontent.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
3288	msedge.exe
3288	msedge.exe
4776	msedge.exe
4776	msedge.exe
2900	identity_helper.exe
2900	identity_helper.exe
1576	msedge.exe
1576	msedge.exe
1576	msedge.exe
1576	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe
4776	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 1908	4776	msedge.exe	15
PID 4776 wrote to memory of 1908	4776	msedge.exe	15
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 2440	4776	msedge.exe	86
PID 4776 wrote to memory of 3288	4776	msedge.exe	87
PID 4776 wrote to memory of 3288	4776	msedge.exe	87
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88
PID 4776 wrote to memory of 3208	4776	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://mcusercontent.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:4776
- 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,0x100,0x104,0xd8,0x108,0x7ffdf95d46f8,0x7ffdf95d4708,0x7ffdf95d4718
  2⤵
  PID:1908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:2440
- 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=2112,598659752890709119,10071831662081141106,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2484 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3288
- 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=2112,598659752890709119,10071831662081141106,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
  2⤵
  PID:3208
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=3556 /prefetch:1
  2⤵
  PID:1332
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=3416 /prefetch:1
  2⤵
  PID:1636
- 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=2112,598659752890709119,10071831662081141106,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5280 /prefetch:8
  2⤵
  PID:3876
- 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=2112,598659752890709119,10071831662081141106,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5280 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=4864 /prefetch:1
  2⤵
  PID:4344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=3176 /prefetch:1
  2⤵
  PID:3572
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=5640 /prefetch:1
  2⤵
  PID:4932
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=5576 /prefetch:1
  2⤵
  PID:1040
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,598659752890709119,10071831662081141106,131072 --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=2980 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1576

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:448

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
6dded92ec95cf9f22410bdeac841a00d

SHA1
83c32c23d53c59d654868f0b2a5c6be0a46249c2

SHA256
1840d5c60c79874359414677662439087173c575d814c07ebe661ae1cebb639e

SHA512
e13df653c0364be2b61619fe3d46799e10a565b41f33d3ce15e50397f8f9aa328e8c821212efe10cfe3b8283c1e8c7e9eb15f9674fc456837d6ee8c38bc8b0d8

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

Filesize
397B

MD5
6fc8f771f4317f3c01ed3fec51de5d97

SHA1
7d0c4c1726de944a403b6f702cd2e032f7701368

SHA256
65648ea87c785a3d421286c9695ea2c4bac21b83334443a2334880400a52d943

SHA512
77217e0f8ad670b3a207b2127dc7f1e0d0389cf1488e18b679c3c3c5ef83dfd4dd4ab0136b241d8dd873ccb6f7903e705c0c3896d8c3e74070da9bf9ecf94835

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\Preferences

Filesize
5KB

MD5
fe4eac9233b14822c863a472ad1d6af1

SHA1
b20d3a09a683ac9785c76850af348c527e1d68f9

SHA256
ffead034b6750664abe346a8c201cc41f7fa7d51154fe909959a8de106504547

SHA512
341c5276503e55e954153d235b7a7a595b3f82512f7acd98e82dfbfcfcf88f3ddb5dce00722e3b66302edbeef76bef3da324839c8bf4c3df94138ec34bd7f475

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

Filesize
5KB

MD5
a7d7dd2f1541d0caa4754a9a58187ef0

SHA1
c1a98ccbd90b6f60854a8e78aca802f19f043c86

SHA256
bd74715f7aae9956b64e5fca5dd5b4233506eccbea26bc7b6987037ff31c92aa

SHA512
9f3de5b22072c8ff0a419f4d749362e5a1a376a9ae88bf51c6ddcb4def9d1b8ffb57b1f4f76669e5629749a625836ab204f022021be16e47cf59b3801756c440

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

Filesize
24KB

MD5
e05436aebb117e9919978ca32bbcefd9

SHA1
97b2af055317952ce42308ea69b82301320eb962

SHA256
cc9bd0953e70356e31a957ad9a9b1926f5e2a9f6a297cdef303ac693a2a86b7f

SHA512
11328e9514ffaa3c1eab84fae06595d75c8503bd5601adfd806182d46065752885a871b738439b356d1bb2c1ac71fc81e9d46bd2d0daa1b2ba0f40543bf952b9

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
454e1f258adee3b63d34c69796110078

SHA1
a913b982499d143deefa5786943c58c6f26eb4d2

SHA256
61477a3c4ee8f5ebeca059dbe4837451ca37ad59f7e6b6d99113353c307f88fa

SHA512
a69cfdb4bdc8ee02fd2a94fc772de0fc2951e794f34de7358803c3e5178d9ab948d56e89ece55d89ac626f73998d4bf77f8c5c9d66780627837e9d71f9abe778

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

Filesize
10KB

MD5
ba996dd8499144a94e396ed92296f51a

SHA1
89c800a2ffc4dea63ead5e4ff61bf7bc895015d5

SHA256
bd5e8e077ffee2730b0a78e8f3c963dc6b08598578759283f5286db7ae07a38b

SHA512
802511e4fea0e02ff89d523fcfc471d42fc209adc797f871d492c19e41afffcc70f5b4233e0ce38ac4d7ea85ee2f99b069247528ca64e2bdf400f0ed301f1174

Download Submit