hxxp://ctldl[.]windowsupdate[.]com/msdownload/update/v3/static/trustedr/en/disallowedcertstl[.]cab?c332e9727a3b377a

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2023, 22:30

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General

Target

http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c332e9727a3b377a

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

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133301394375776770"	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4260	chrome.exe
4260	chrome.exe
1940	chrome.exe
1940	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4260	chrome.exe
4260	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe
Token: SeShutdownPrivilege	4260	chrome.exe
Token: SeCreatePagefilePrivilege	4260	chrome.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe
4260	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 3012	4260	chrome.exe	85
PID 4260 wrote to memory of 3012	4260	chrome.exe	85
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 1992	4260	chrome.exe	86
PID 4260 wrote to memory of 2112	4260	chrome.exe	87
PID 4260 wrote to memory of 2112	4260	chrome.exe	87
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88
PID 4260 wrote to memory of 5088	4260	chrome.exe	88

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c332e9727a3b377a
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd9ab99758,0x7ffd9ab99768,0x7ffd9ab99778
  2⤵
  PID:3012
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1744 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:2
  2⤵
  PID:1992
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:2112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2224 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:5088
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3020 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:1
  2⤵
  PID:116
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3032 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:1
  2⤵
  PID:320
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5052 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:3608
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5076 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:932
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:2116
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2488 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:8
  2⤵
  PID:3640
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2832 --field-trial-handle=1812,i,10985850705119335024,15186706896134022338,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1940

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:3920

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4608

Network

MITRE ATT&CK Enterprise v6

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\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
3a715e7f9426848e669f7a0d981da921

SHA1
1f4096fa568b5301e3bc5e7077e2da6978d6c7e8

SHA256
2f97f28f7a3f3bfb8ce9e797cd9d0e17d5478bc6710af2fab4c3b9591d3c61e6

SHA512
5fbf9d05cba730daf803ef2c50ab2fac4887389b03aa2a49cccc591cfad0dbdf0dd63c3d71dba8efbd5fe2bec542e770555686436e67da0e053e66c873a79246

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
1deb8294dd8f2878d55874a548be4e55

SHA1
ce5d7831d54db82f9cc9bce065e80bc7414b0b67

SHA256
3907c99ddd7d72d677cfe209d6f3d69accdd0e82a0a1a09ae75aff1d86c3d3c8

SHA512
993a9835af47242b47bf1aea2b6fabdfd3e098e7f3b3ad7e99cc317a06f77f18d5111ce099ac54e1702cdcc90c34ae85045cf15e9c35c67051a0625da6d1a33f

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
fbda305235367dab99871ea5f0bd1cb4

SHA1
ade833eefcab1bf9d016b164c5efb3b97ca5767a

SHA256
7b0a662fa57a205371f6725876203d6a49ebc098cf511dcbceae43cd06d94b5f

SHA512
7608a8bda13849d93c36e57c77b3cc1430d2a9a3300da627352c09338ed5540493ad51c042c478a539c42ab07f250405eb850021f297576c8d6c7b68d41dd636

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
157KB

MD5
f640dbf57263f246ffb43579f3a7f271

SHA1
31abbc18956a61281e3724432ff56070e8b0da8c

SHA256
6dd5fef4e206fd38ce343afa5c094471b71be15d65fb8975eb8068b731cc839e

SHA512
73062b5060ab7cdbad81e069cd6d007470c811fc1ab6b30b7546953a3cdf6e3c024a98c1ba4362a05a09cc70f9419c0e6329f6dc90a65560f385171bf9827317

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache

Filesize
106KB

MD5
68ebd0ac3b555e6e78936b783f5a100a

SHA1
df2cd2f06c2403fec207e65294f9f0c8362a68ca

SHA256
c82ddaea1cb284e909d552e7292de0b0e8783efb43c03ad0386c4a0959f98733

SHA512
b0107ae84551dec8cb744985d4572c1ef7f8a2c3eed1be7896dc4a6f71195269226400f0dce9d4d19c80e6538741d5532b30589f37554d8bbe3e854da076b51a

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe57e08c.TMP

Filesize
103KB

MD5
b83d08b1ca46bcd4ea91d8727021e8e7

SHA1
e8909b0cf009d60410ef6028f074ec411745792e

SHA256
23a98c1c904f3ed231c0058a81cef2128c4263cc1a6037682532a1bea668772a

SHA512
b02acd951658d59084000f3a92e2368f752c4190f388996496236128e38f2c11a7d08e98e3f9ac5a3c779a8aed85a4e0dda266f5302f7cecfa1b613e77c4b983

Download Submit
C:\Users\Admin\Downloads\disallowedcertstl.cab

Filesize
4KB

MD5
f7dcb24540769805e5bb30d193944dce

SHA1
e26c583c562293356794937d9e2e6155d15449ee

SHA256
6b88c6ac55bbd6fea0ebe5a760d1ad2cfce251c59d0151a1400701cb927e36ea

SHA512
cb5ad678b0ef642bf492f32079fe77e8be20c02de267f04b545df346b25f3e4eb98bb568c4c2c483bb88f7d1826863cb515b570d620766e52476c8ee2931ea94

Download Submit