hxxps://dialin[.]teams[.]microsoft[.]com/usp/pstnconferencing

General

Target

https://dialin.teams.microsoft.com/usp/pstnconferencing

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Processes:

chrome.exe

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 = "133607833914230669"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chrome.exe

pid process

3120 chrome.exe
3120 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

Processes:

chrome.exe

pid process

3120 chrome.exe
3120 chrome.exe
3120 chrome.exe

Suspicious use of AdjustPrivilegeToken 54 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe
Token: SeShutdownPrivilege	3120	chrome.exe
Token: SeCreatePagefilePrivilege	3120	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

Processes:

chrome.exe

pid	process
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

chrome.exe

pid	process
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe
3120	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 3120 wrote to memory of 2324	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 2324	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 4876	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 3056	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 3056	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe
PID 3120 wrote to memory of 1472	3120	chrome.exe	chrome.exe

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://dialin.teams.microsoft.com/usp/pstnconferencing
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:3120

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=110.0.5481.104 --initial-client-data=0xdc,0xe0,0xe4,0xd8,0x108,0x7ffe69faab58,0x7ffe69faab68,0x7ffe69faab78
2⤵
PID:2324

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=1592 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:2
2⤵
PID:4876

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=2160 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:8
2⤵
PID:3056

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 --mojo-platform-channel-handle=2248 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:8
2⤵
PID:1472

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2876 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:1
2⤵
PID:1408

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2884 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:1
2⤵
PID:560

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=1620 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:1
2⤵
PID:4900

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=4428 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:8
2⤵
PID:224

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=4576 --field-trial-handle=1920,i,17049373077839972973,7295293571865681369,131072 /prefetch:8
2⤵
PID:4432

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:4536

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize
456B

MD5
e49f8d42a5da78903689bab5fb31eaf0

SHA1
5c8d1fb95bc306125bc822d0c7c101565fc65f4c

SHA256
048f2c29bfe7efad0991476499c31dd53df39b7c19b18d61e9119646bb3f9085

SHA512
d65f991e1096d2c1406ef61932ff605c3be475bbe896479e73ffcf6f20ef5e7a648d8dbd7299ae55f34d3eab61a56897d88e967769c63f004ec409a2cb3aef7c

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
Filesize
859B

MD5
449eb8188ebcbaa5b091d4d1ade76009

SHA1
f1d841d591252b4c903e88daa5d4ba03e73e71b1

SHA256
50d855e1a76478b53286d7cd551c94aab90ccb2a7dfbaddeed19de9f373d82e4

SHA512
431087bbf91e9952cc1205512a8c6dae3ef90e6bce8ebbf62c3490e2aeb5f38dcbc63edf892fb03b6d1e6c29d19d5464cc8aa357d86ded5f1e4099b09242ea4d

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
Filesize
7KB

MD5
c72719ea59b2e31eb1081dbdf9d3247f

SHA1
5c0e8b8b25ee0591afa8cb208a8bfcf2bd1d7eed

SHA256
fc891d7170e566dcf29021b663be52ac95b7db3d5ab7bd9af1e77abc294968a5

SHA512
2b609835fc53564e1f5364725b13106b24f6bfa17a6d0081afb35be8dfe564166c424b574643512ff4b666391072900ff40e5471b7685d434882fc3511def869

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
Filesize
129KB

MD5
b38f048570cf1d81dd6344b541c28460

SHA1
f3357dadfaf29d5fd92059e8c95b737d8dc56817

SHA256
cc07300ed401a8663276d16e6baf75f29db2b00a42559eacee0fa0f1f5cb4b96

SHA512
79630c7174b3adf97f717cf9de9cd8d57f7e18bb43048d6670e0f9d15c63efbc189105475f9805858778de0290b9b471e1d05024772da15a222558b175e8279d

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\??\pipe\crashpad_3120_KTCXITABUKGHSRMB
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads