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

Analysis

max time kernel
300s
max time network
281s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 15:38

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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

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 = "133549907247276165"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3992	chrome.exe
3992	chrome.exe
336	chrome.exe
336	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe
Token: SeShutdownPrivilege	3992	chrome.exe
Token: SeCreatePagefilePrivilege	3992	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe
3992	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2980	3992	chrome.exe	88
PID 3992 wrote to memory of 2980	3992	chrome.exe	88
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 1640	3992	chrome.exe	90
PID 3992 wrote to memory of 2112	3992	chrome.exe	91
PID 3992 wrote to memory of 2112	3992	chrome.exe	91
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92
PID 3992 wrote to memory of 2308	3992	chrome.exe	92

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:3992
- 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,0x100,0x104,0xd8,0x108,0x7ffec85e9758,0x7ffec85e9768,0x7ffec85e9778
  2⤵
  PID:2980
- 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=1660 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:2
  2⤵
  PID:1640
- 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=2124 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /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=2168 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:8
  2⤵
  PID:2308
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3064 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:1
  2⤵
  PID:4632
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3076 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:1
  2⤵
  PID:1744
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4760 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:1
  2⤵
  PID:4312
- 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=5328 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:8
  2⤵
  PID:3064
- 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=3276 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:8
  2⤵
  PID:4356
- 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=2384 --field-trial-handle=1796,i,3320311795051144114,15127190655866803274,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:336

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:2968

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
456B

MD5
bd93d0b7350461b919a053e70df6bb0c

SHA1
77d587d2fe4867dd28dd1d8b8b1e9a71acf146ee

SHA256
a586c422566623ee784e1867b9d89e05c5c5a8eba1f902798c85d6be1c313594

SHA512
98cc09da51dedfcb79a0524dab0880c2217bb86c94ab458980847f9d9c54b05d12b99e857405aa2f09b3c6acb5ace3a2a7dff2f2cfa16fa647307578bf5ffd95

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

Filesize
1KB

MD5
e960721b357a814ec1e1736f9706f059

SHA1
3a8d5a37e3115969515e635fba82c8d7370c40a4

SHA256
f2280c71f35f9ee0359d53369c73be0eff054990bfcde75371b21706b5dd3c2f

SHA512
828b467fff561a2c779e2a8d6ddd8cbc2de53b2a6e47615bb3d271e3a1ab2ae462ac776a712efcc4bb2c6e73f22a5ffa6fdde8d895f58d17dda345179dba9e92

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

Filesize
874B

MD5
981d7c2500823b16c2d514b6dd54d516

SHA1
d01e0664d7f93842a4dc33c85d04d908afca4d45

SHA256
14aebdbe9c8fd83bee882e2e7ec55c1425aaba52e2c2c96bf1af2457292cfa89

SHA512
2b52e4ef8bc39a7a819e8aca0ed08e1a3b45c02d2b176177143e877bd5b596cc1d457eee26c7ec07559ca75b4679138f40743ed9683a5fffa436fb3afe610229

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

Filesize
6KB

MD5
6944ca1679d43a18b3c8d8cf69fabac8

SHA1
6d60780e7a62e2ad2cd4c3b3b8bed9445fc75157

SHA256
051048cb1673cf8e0911355b4cca11f74ef9214183194c068bc61b0e4a6a4a96

SHA512
f83f7bd27160d849666fe452f1c0bd24fe3d900812ce3a671f97145747675239dc679a86c96521322ff76d183678856b684cc96d7a881d1eb81da62676799123

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

Filesize
128KB

MD5
6123871a71e7b84c5ca2aebb077bf5a8

SHA1
ee0c2cb9b93b806be5fcbbd09a9eea17897fd1db

SHA256
3c92f10dac09db771f8c4cd08feafccfca5cc10c379c8446a3be7adb3aba28fd

SHA512
6a1307ea902051690055c75cfc848d0a7de849ca568f8316570e7940a7feb037b6393e373b55490fae97a1b07a38f8d631d0d996182946f9658912a4d8a7119a

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