hxxps://github[.]com/w3c/ServiceWorker/blob/main/explainer[.]md

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2023, 06:17

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General

Target

https://github.com/w3c/ServiceWorker/blob/main/explainer.md

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	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	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 = "133451074988522022"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3484	chrome.exe
3484	chrome.exe
2496	chrome.exe
2496	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3484	chrome.exe
3484	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe
Token: SeShutdownPrivilege	3484	chrome.exe
Token: SeCreatePagefilePrivilege	3484	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe
3484	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2312	3484	chrome.exe	29
PID 3484 wrote to memory of 2312	3484	chrome.exe	29
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 2976	3484	chrome.exe	85
PID 3484 wrote to memory of 1036	3484	chrome.exe	86
PID 3484 wrote to memory of 1036	3484	chrome.exe	86
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87
PID 3484 wrote to memory of 4052	3484	chrome.exe	87

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/w3c/ServiceWorker/blob/main/explainer.md
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3484
- 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,0x100,0x104,0xd8,0x108,0x7ff978c59758,0x7ff978c59768,0x7ff978c59778
  2⤵
  PID:2312
- 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=1740 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:2
  2⤵
  PID:2976
- 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=2144 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:8
  2⤵
  PID:1036
- 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=2228 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:8
  2⤵
  PID:4052
- 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2896 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:1
  2⤵
  PID:2992
- 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2904 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:1
  2⤵
  PID:180
- 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=5052 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:8
  2⤵
  PID:3524
- 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=4720 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:8
  2⤵
  PID:3872
- 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=4318 --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=4640 --field-trial-handle=1868,i,12729806391075757320,2553971973338386969,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2496

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:5048

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\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
1KB

MD5
a35ae0e491b2337019d4f7108bc545b9

SHA1
e1883e876f5a9a04efc98cca18aebe536ed651f9

SHA256
ec90c39190f2f03cffa9d3968f5d1934e327ed5820cc35234ece349dee5a7769

SHA512
30e5db4be61f7abacdb26260d024deba50cf7ac6650821ce7c92813825608389d14853df35e5d74357846b534f24bf43666790cb5f3aaad51ed9d04da1df000f

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

Filesize
1KB

MD5
513be70936e60da4f833263f8cea190a

SHA1
78dcab67310f053ab987221380f4b78cc2113aba

SHA256
0cc02739dfdc2bae2fb28185cd2e519e147a3cd85fda49abf2cb33a0b2407e70

SHA512
d1436d3c58148cf482678ead0b8628ce8de40e4d0ac6c6c8e0495ac86b25bb2e9703f8262bcf7de708e3fd3858d7bff0a513e9d06804f5ea6c7f19c363de8119

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

Filesize
1KB

MD5
02b31db163392e6f23efb8faa1db20b4

SHA1
631384f304e52b6c2640930b4b10de1e8fe2fd9e

SHA256
914c4dc1eb50e2ab62a95a80614fc13d7ef7aededbfb3f79a6ea342cf92ba8f7

SHA512
1f3c7928f47794d05704b6f1204bbe9c34ecc9555b26980cd82920c24da34d61c1108ad0a6c3c469c352e65f0c9d80558b177f41b770fc7f9f6750f3ed7deeda

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

Filesize
6KB

MD5
804d5488ad33d122bb8c44bcc9879d7f

SHA1
012d28833e0e91c8e32d5e5f75d928594d109c5a

SHA256
56607f7682075dd077f999bddf4faa390f699001daf21d286d8702d6d9127dc0

SHA512
54f0431dfb8d714b8bd4a202ea75920170e41dc8220a8270bdda16d4af0e2f4bb9c40be1253621c97f05568ba0f90ba6d7d40b1c79218297978c7e6cc16c90bb

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

Filesize
6KB

MD5
ae9dfbb1800dd934da854aeebce0b09c

SHA1
3ba5ce7a40dd5c1d709ca50d19a4fcc9f909ec1a

SHA256
5481828d18293a700eee934332377c5f04808f983e6ac2645608ffe4dd8aeb1c

SHA512
f11ac5715972e7204c156badf0557390730199c1b93d25fd74b75716a813aa641bd0e91ff70703806417eddf2a3e1d21ba0dbc3374b3e4d66358ddcb7348139b

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

Filesize
6KB

MD5
f83a3f9b451bf5ccbda402309c32048c

SHA1
1d494b7011cc1f901890008efc92f1260b169e74

SHA256
a000a0eacacb585cb2cb618d96722ebc9219742cb96b090aca54b2fd82270e29

SHA512
b9b9349dd7fc2981bb931609e7484fa7cbc7391f349ab74b814a88d114efe83c1dda4278c2cd7d356bb23112ccee89429c9300456f2085c319aec44323347cd3

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

Filesize
109KB

MD5
0dab2fbfa57fad85bb8eb01c25b96c24

SHA1
e24b4a39506d3ab8c8a5fc174d87304870e5bfcd

SHA256
9815ce1b9c180a16cd1ccf39fe7b5465b49d7d6aee4dafb0624229d73386152f

SHA512
67261ed66cb1f352af44c34c8a17e6d0861a282d3ae34055e9af1c616e080da63bf60f9c6f2d3be1028c52bda7d0f270ea5943d8617bf967b5af487667bfb9f7

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit