hxxps://encrypt[.]greatdentalplans[.]com/securereader/help[.]jsf?lang=enus

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 19:08

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General

Target

https://encrypt.greatdentalplans.com/securereader/help.jsf?lang=enus

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
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133512881468851426"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe
4508	chrome.exe
4508	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 1156	4948	chrome.exe	86
PID 4948 wrote to memory of 1156	4948	chrome.exe	86
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 1948	4948	chrome.exe	89
PID 4948 wrote to memory of 60	4948	chrome.exe	93
PID 4948 wrote to memory of 60	4948	chrome.exe	93
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90
PID 4948 wrote to memory of 3152	4948	chrome.exe	90

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://encrypt.greatdentalplans.com/securereader/help.jsf?lang=enus
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:4948
- 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,0x100,0x104,0xd8,0x108,0x7ffac2539758,0x7ffac2539768,0x7ffac2539778
  2⤵
  PID:1156
- 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=1640 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:2
  2⤵
  PID:1948
- 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=2240 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:8
  2⤵
  PID:3152
- 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=2996 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:1
  2⤵
  PID:1540
- 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=2984 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:1
  2⤵
  PID:116
- 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=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:8
  2⤵
  PID:60
- 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=4660 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:8
  2⤵
  PID:1648
- 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=5184 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:8
  2⤵
  PID:4188
- 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=2788 --field-trial-handle=1876,i,9323457276898222588,884554865231534448,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4508

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:4972

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\Network\Network Persistent State

Filesize
1KB

MD5
815a468b0289be87256f2bf29c07e237

SHA1
cd45a9b086c79cd452ce851ba9fa0ce4b793c1ae

SHA256
68b8947e15506edfe8ae9612ac73420e5d8e77e9554c969ad4f2ca7f1219d489

SHA512
5af35f223dddc0bbc2e22b9c0b42f552a38daae8bee47e7e05a7ff31db607b6c3fa81de3552fc0caf80e09931d133fa81032ec263aa76069e4f7f84badc7ee71

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

Filesize
824B

MD5
80c516fd7f49341d49842486b0c864f8

SHA1
ea03b61ecfd1c1c9ab0df3136f085e746abf3eb5

SHA256
cfd904751d15b3a03052d75bd5b1360859c90791110e611a30e3f338c8c158cb

SHA512
b5aba15cf6134ad503dc58f7e4982c4d027d43290c0bcf0af3a8819dcd6bffb1ef78c1e651378be5e4356d03699bfabc161b54157350bdae94e3562d7e032071

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

Filesize
1KB

MD5
5256fe43bd15ed88a257914bab011ca0

SHA1
021a09be77f8cf0da0fec0d30cb6c613cd1fce3e

SHA256
60ade335145f72fc770703b834d08761e4dbd6cf9924fd9ce0f896408e4f02ba

SHA512
121a88cf01018561087162bb611c57fc5be873c036e223560876ed99e86d607dfd7670b6b649c953c3aec50363714d5ab5bf682e03879173b57557b5c50a9b5a

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

Filesize
538B

MD5
9a6555e8d585faf867979e34b6e2fc65

SHA1
6e52c8c372a7a4fab65e9363993047e6b6c12638

SHA256
d3c75a097ef3705098bd3224e52950d0fd744f4818ff71a8b8cf25ce91db7baf

SHA512
ee3e29bdbe7438744d7d7f63e013136a7cfcf0f68f8ed453514a74864dd2acbafc7ed7e07409e4145b29947918d9af7e35df44d554d3181a81200edb8a544f2e

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

Filesize
6KB

MD5
e88f57bd0feda8e19777938de93cea73

SHA1
3e3e718505ba04b9198b5509e2532dd8c3bda933

SHA256
2c10e94f1f67e2764da14bfbd0464a1a1510cd5cd41cfe00c9db355d51b3bbe1

SHA512
6af239b50f89711c8f23be608e7b1bc74ff8c5c925250ecdc682d32ab98743a9c5ab83df7b950bdb3b69797e9a0c522d2eb2827c92e8f93046403142318108b1

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

Filesize
6KB

MD5
37c43fe7af202da61f4b666e9ec622d1

SHA1
d5e28dd5d47e939634ab4e76dd54f66b8da407f9

SHA256
5da83a80d6812ee99b8641cf8dee92b6c13d1dce3f152d5c24ba5b696ea7d74d

SHA512
d3c082fb9f6064829b06b5e328d279f09abde8faf84eb476a56b0cddf18aa9966a64f54807c79edc43543c269be8628119634de68b5f5675c4731e0892eaed0c

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

Filesize
114KB

MD5
65798bbc701c75c96d3731f289d66fa6

SHA1
aa048bce9ba02de4b884aeaccb98e20404240a28

SHA256
aaf959ed1e6ce35e1072bb8e1179f0348453e12bcd3847136a673572a704e700

SHA512
b6aec35558cc993738d9d765822e9e7c7225ec86d9b0120de9bb8f0f06c43a6e0cd5ad86f6779b3abc04ed9bb5cb756b41d33344807d0fe711560301f18372e4

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