hxxps://u9707330[.]ct[.]sendgrid[.]net/wf/unsubscribe?upn=u001[.]-2Bthm6MVSEBAQSuzvs8CoUdA4JLmVcFPRmOE5nocj2lhraFUJYlMqofpLcsWwhbo-2FZ3njZPd-2B6eEkB7Geaow1qAK9x50avHE2Pr7-2BP5TuJeOye-2FDxLJrYn-2Ff5-2BofARGPeskx6dFAcB2LJ3JakZtqmJeqakfBUbpzGUcFK2JPibYhrmZOO5ivOTkUD5Zsh953rMr8234HsXuRryZdYrESn1bqpo22dcRiB76mX5bvhlsw-3D

Analysis

max time kernel
6s
max time network
9s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04/09/2024, 12:48

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General

Target

https://u9707330.ct.sendgrid.net/wf/unsubscribe?upn=u001.-2Bthm6MVSEBAQSuzvs8CoUdA4JLmVcFPRmOE5nocj2lhraFUJYlMqofpLcsWwhbo-2FZ3njZPd-2B6eEkB7Geaow1qAK9x50avHE2Pr7-2BP5TuJeOye-2FDxLJrYn-2Ff5-2BofARGPeskx6dFAcB2LJ3JakZtqmJeqakfBUbpzGUcFK2JPibYhrmZOO5ivOTkUD5Zsh953rMr8234HsXuRryZdYrESn1bqpo22dcRiB76mX5bvhlsw-3D

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 = "133699277100728669"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 568	4688	chrome.exe	79
PID 4688 wrote to memory of 568	4688	chrome.exe	79
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 772	4688	chrome.exe	80
PID 4688 wrote to memory of 3340	4688	chrome.exe	81
PID 4688 wrote to memory of 3340	4688	chrome.exe	81
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82
PID 4688 wrote to memory of 1832	4688	chrome.exe	82

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://u9707330.ct.sendgrid.net/wf/unsubscribe?upn=u001.-2Bthm6MVSEBAQSuzvs8CoUdA4JLmVcFPRmOE5nocj2lhraFUJYlMqofpLcsWwhbo-2FZ3njZPd-2B6eEkB7Geaow1qAK9x50avHE2Pr7-2BP5TuJeOye-2FDxLJrYn-2Ff5-2BofARGPeskx6dFAcB2LJ3JakZtqmJeqakfBUbpzGUcFK2JPibYhrmZOO5ivOTkUD5Zsh953rMr8234HsXuRryZdYrESn1bqpo22dcRiB76mX5bvhlsw-3D
1⤵
- Drops file in Windows directory
- 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:4688
- 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb3f97cc40,0x7ffb3f97cc4c,0x7ffb3f97cc58
  2⤵
  PID:568
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1760,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1756 /prefetch:2
  2⤵
  PID:772
- 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 --no-appcompat-clear --field-trial-handle=2008,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2500 /prefetch:3
  2⤵
  PID:3340
- 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=service --no-appcompat-clear --field-trial-handle=2076,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2300 /prefetch:8
  2⤵
  PID:1832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3076,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3088 /prefetch:1
  2⤵
  PID:1428
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3080,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3268 /prefetch:1
  2⤵
  PID:896
- 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 --no-appcompat-clear --field-trial-handle=4504,i,12512075914549054745,3005702231932990071,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4512 /prefetch:8
  2⤵
  PID:2016

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:4348

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:4672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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\BrowsingTopicsState

Filesize
649B

MD5
98fcbeef4d1e7ececff0b70f8b38b1e7

SHA1
cf809bce7a7694a0571636d72c93db38f74cc9ec

SHA256
e6763ffeef0e350ea81b104d72dcab9a7351e9bf498ec3f5d49c6879aff9ac4a

SHA512
219c295098243c8c47c61656980a6eca8f38a523ed8f24ca7a6e6a2bcf9e84e381bd369354e3f59060f317fb728d7304c23636d9b4d8c0e97e6cc3f4b60a21b3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\c955f553-760c-4a14-bf21-b1991a494d24.tmp

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
101KB

MD5
87945b029e1d79c01495681064bcf6de

SHA1
b8cd0690dbbab81db9a6d699b8ec2cd92176a276

SHA256
f817d3ef1c91b1d3cd9036aa61562680f14b348fcbbd43d55973c8b18e90f0c1

SHA512
bcb8f1d5e48334c11a6d3a64c1f1901f45512b8ec4c717e00bb0349e13cc211d70e0fe6e9015315f1b8e7de340614648d1163f1a16988988b3f73ca9de7d87c2

Download Submit