hxxp://www[.]avg[.]com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 12:31

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General

Target

http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient

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 = "133548067239029673"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2136	chrome.exe
2136	chrome.exe
4576	chrome.exe
4576	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe
Token: SeShutdownPrivilege	2136	chrome.exe
Token: SeCreatePagefilePrivilege	2136	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe
2136	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 3968	2136	chrome.exe	87
PID 2136 wrote to memory of 3968	2136	chrome.exe	87
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1072	2136	chrome.exe	89
PID 2136 wrote to memory of 1196	2136	chrome.exe	90
PID 2136 wrote to memory of 1196	2136	chrome.exe	90
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91
PID 2136 wrote to memory of 2972	2136	chrome.exe	91

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 http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient
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:2136
- 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,0x100,0x104,0xd8,0x108,0x7ffa3f209758,0x7ffa3f209768,0x7ffa3f209778
  2⤵
  PID:3968
- 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=1800 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:2
  2⤵
  PID:1072
- 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=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:8
  2⤵
  PID:1196
- 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=2252 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:8
  2⤵
  PID:2972
- 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=2968 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:1
  2⤵
  PID:2096
- 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=2984 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:1
  2⤵
  PID:5072
- 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=4016 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:1
  2⤵
  PID:2616
- 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=8 --mojo-platform-channel-handle=5036 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:1
  2⤵
  PID:444
- 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=5428 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:8
  2⤵
  PID:2476
- 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=5584 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:8
  2⤵
  PID:1604
- 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=1696 --field-trial-handle=1856,i,15817635119791154728,4001517782855052192,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4576

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:3644

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
528B

MD5
c1ecc1414847420e46d09c2bb5a59747

SHA1
7c87ed1194eb88af201d8194dc032babd15f0cda

SHA256
2adae5c64d7d511398a6416841fd6093bbfc172e17ccac12b128b8605eaa2150

SHA512
fbf6684a3747507ab127af6d793878be74491442c90903b57ebf2003e8b811223cf3c92d4105cdb41c1edccaa1ee30f3529afd441a438dd11ab1d0237cf5d790

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

Filesize
3KB

MD5
96d1bb26c03ba67f85207ef70e7201ee

SHA1
372927794de7ca165c8a9b15e70eba03346ea857

SHA256
ce4a369ed7dad93b1195e7ce6b04e3a5d61b5f72335f9e27ca91c1b289ec0cd5

SHA512
00cb2ab7a61ee14ecfc087c898eb546687339596b3aa135e3d3d6e2771687128c35e6268a0038e93c712021497a6fcdd3f689f23428a225fdc7042c794c319e7

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

Filesize
2KB

MD5
c1fe8a5e4a8fbaae05121b0535fb7cdb

SHA1
a0c0eced0751e999aed53d51089aeb4c064d6980

SHA256
719b652e022efac350fd1767cae1d51f538bb65711b9557f727cf487aafa21b4

SHA512
4b2d53f97fa9379731e70ba9f4f0a8684969e205aa04fb0d047fac2dfbc5f859e61a1cfa62e7725cee3ff3858903e8d6b428fd7cb1ba40dc912090338fd4b1c4

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

Filesize
6KB

MD5
bd5c28b4a62839a44f08b191cb14c126

SHA1
d5150c445f43c658dbd779a9f245ed9c723f9d68

SHA256
777f6e8053b8b90cae438d3efcc883114b6e5e0eb47785d809f0c29362938ceb

SHA512
3b498ac963aaaf069b668c53d00147aff434e3f7e59f6039cec6a4af2276dcd59e3ba28e32d7c831fe7de01c9e9b1fdaee6fa229c759447b597632a2bc2ecfa6

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

Filesize
128KB

MD5
c771799bdfeccabc60ff5461d7f40a90

SHA1
1e98c30b3a4c12fd4450d6da194f9cd472866030

SHA256
62abef745f88a7d0c7c185d91fe24edb6e269e288a843f3a62adc76c491a2c9a

SHA512
e5fbd8e9058bcd6a7038f5a9874ff0412d04a75c2516bf88b9e4d3da308206aa7d423d89f02ef913c77d5289e82425b6660de5bc0c32484fd9114a9cbb45f325

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