hxxp://gpt4all[.]io

Analysis

max time kernel
45s
max time network
22s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
24/07/2023, 08:44

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General

Target

http://gpt4all.io

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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 = "133346618899844165"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4524	chrome.exe
4524	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe
Token: SeShutdownPrivilege	4524	chrome.exe
Token: SeCreatePagefilePrivilege	4524	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe
4524	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 1936	4524	chrome.exe	70
PID 4524 wrote to memory of 1936	4524	chrome.exe	70
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 4492	4524	chrome.exe	73
PID 4524 wrote to memory of 5092	4524	chrome.exe	72
PID 4524 wrote to memory of 5092	4524	chrome.exe	72
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74
PID 4524 wrote to memory of 4164	4524	chrome.exe	74

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://gpt4all.io
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:4524
- 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb0c809758,0x7ffb0c809768,0x7ffb0c809778
  2⤵
  PID:1936
- 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=1920 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:8
  2⤵
  PID:5092
- 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=1504 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:2
  2⤵
  PID:4492
- 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=2064 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:8
  2⤵
  PID:4164
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2664 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:1
  2⤵
  PID:5112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2644 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:1
  2⤵
  PID:2752
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4332 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:1
  2⤵
  PID:4180
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3500 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:1
  2⤵
  PID:4448
- 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=5324 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:8
  2⤵
  PID:2740
- 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=5508 --field-trial-handle=1732,i,16898409795667619479,14258738440612482727,131072 /prefetch:8
  2⤵
  PID:4788

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:4188

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

Web Service

T1102

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
864B

MD5
22427c93f0978a654e55612b4335d6f9

SHA1
5bd651e7fc998b755b82ddafa858d2a25aee65dc

SHA256
075d75c99671f0b6368a943f3f40e39c8f8b0b2160f84b5148fd4e2c9854afa8

SHA512
1cb1bdaf28d245d2a59a1f67939842dd71aae84351d380ba136d0627e5d88851d8239387d0bdd111bf134f1eaa8165c018062b308d3ac485afadcd1f8fbaf1ef

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

Filesize
1KB

MD5
c3b15a208cb619edf785e1a7f375d2eb

SHA1
b1c54980db96ab3b042899c904a0b629e1d0e294

SHA256
04a8a1d29e398b584e30501db46ed375c1f0dce5941b6c445952486771a87c73

SHA512
c3c9a86a8e244d070a67f124fbf18ad8c7e0f5880fcd9b8a5f7b73739e8c0d286d89c5fb930af82e386f32a4645e4505c07e2ae876dc28e050abdc78b48b46b1

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

Filesize
1KB

MD5
1dd63de8067fd665d0eb06833d6e51cb

SHA1
69908171312c75861639497e41a3d10771cae7d4

SHA256
1e5e17ae3bcd9f9d075b970ca677773d784f36e8edf492f7942ebcf934d19c29

SHA512
0337270b7c389c512f1486963fe5444da7413f88f91fb70170736a1cef6650e27e62af26a9e3f3407f156a71d16091a6b87cdefa601c0e4755dae0765bfb151d

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

Filesize
5KB

MD5
9aecf50524aef68ccf5591ad4db3361b

SHA1
512220b2aab1d374520bd136673a3af507e768a3

SHA256
7fa3163d5fb3495af2f0ba42bea9746273fd5d3d8fd1460b8a4dfd709ae9c9ba

SHA512
b292c86733d2b175e2d561c1b93315f13e566b3e481bbdfcacc6835834db4f0f3c7a4e5ad7bb95cfceed8e1e819014f7d8654a7316dc384f2b0d61fb59da82ed

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

Filesize
5KB

MD5
366f55780f38db971bb0e846cf68a30a

SHA1
cd9cb1b2bb4d59215aabc33715bed8168080015b

SHA256
de49e87188e25ce01e76267ba12522459be781bda602e53382c836a739792117

SHA512
85ce59fe436ac9b6b3a833063021338744edd2c54b25f348a9c450c47f4fd32a732194ffbe5ffe4ae60e812c98f2d1bae71524a902ae39009e20bda4bfa1b022

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

Filesize
87KB

MD5
f27c417b38306f9991bc2d499fb1a96f

SHA1
53dd1afeb6179e3a8ce92245001aabbaca78b08e

SHA256
8f7c7eb4662edab5ab7464fa4c88bbdddf98d4f3735f03c1c5d6d373c1b9f19d

SHA512
464aa66bd3e1a2f3682ec4fcf016cdfed06a9a389d018dda8d3b4d1c5898cc1fd1a51b4c8e4622c3f6be87f585b2d956894172463d4922f1b0c72447eade39a7

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