hxxps://github[.]com/Netaa33/KRNL-Executor

Resubmissions

06/04/2024, 03:27

240406-dzvt3ahg7t 8

06/04/2024, 03:23

06/04/2024, 02:55

06/04/2024, 02:53

06/04/2024, 02:31

06/04/2024, 02:28

Analysis

max time kernel
149s
max time network
142s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
06/04/2024, 03:23

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General

Target

https://github.com/Netaa33/KRNL-Executor

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
8	camo.githubusercontent.com
20	camo.githubusercontent.com
21	camo.githubusercontent.com

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 = "133568474841274785"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1676	chrome.exe
1676	chrome.exe
1480	chrome.exe
1480	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
1676	chrome.exe
1676	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe
Token: SeShutdownPrivilege	1676	chrome.exe
Token: SeCreatePagefilePrivilege	1676	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe
1676	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 232	1676	chrome.exe	78
PID 1676 wrote to memory of 232	1676	chrome.exe	78
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 4840	1676	chrome.exe	80
PID 1676 wrote to memory of 3480	1676	chrome.exe	81
PID 1676 wrote to memory of 3480	1676	chrome.exe	81
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82
PID 1676 wrote to memory of 1100	1676	chrome.exe	82

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://github.com/Netaa33/KRNL-Executor
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:1676
- 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff912129758,0x7ff912129768,0x7ff912129778
  2⤵
  PID:232
- 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=1580 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:2
  2⤵
  PID:4840
- 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=2112 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:8
  2⤵
  PID:3480
- 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=2136 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:8
  2⤵
  PID:1100
- 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=3036 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:1
  2⤵
  PID:1984
- 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=3052 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:1
  2⤵
  PID:736
- 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=5224 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:8
  2⤵
  PID:4668
- 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=4992 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:8
  2⤵
  PID:720
- 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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3840 --field-trial-handle=1812,i,5393627663255052258,1744694728967035436,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1480

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:3172

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
1⤵
PID:4924

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1908

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
1KB

MD5
e900e77552385863cfd7b2f85946d1d0

SHA1
c0aac23d77b251108cb9e5025fb15cd888cec83d

SHA256
03918b4b6a147864cf7c5e1a88063476a194c910a302bcb90111220ce3aef73f

SHA512
026973de20881e0e436e37610948cd563d8a05496a98bfbab706d08eb661f4de887d733512ec6fce53438298bb1359ca9144478c4956c6150fb8a166670bdd3d

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

Filesize
1KB

MD5
3f15ff9e75a5f8cc74b8038eb4844f07

SHA1
d07e2e1e7e9d34aa9222b85f41939a1a8c8e4a7b

SHA256
c521d466490d4c7652a84252c5f0433027be91243fe09c49a437d8ce781b94e1

SHA512
fd816e326554659b99ccc6192beb7e735ea570caac0fcad6f035235d46f0cb26b8b0aa6f7175827a19f73581d9e20a63e022680c8b7afdca9399b34daecbaea6

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

Filesize
1KB

MD5
2151d2d20bfc4f95cbc5d933cb24a75e

SHA1
82949d8a77d7117163e1df08a58bab9ee97e2408

SHA256
0c39dda9c698d1f744032a46e2b4ba95814eea0efd12060938c78838169f7871

SHA512
c2e73313f241a154ba84cd512213e497b94635f54fbe06f2509dff5479cbed7e2cd6968c41ad4f2aaf7db6c45256ffa4bc71e60b8edc472be0e1aee9b14814a2

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

Filesize
1KB

MD5
7ea51045ab1b9556e2b2d6d72527f040

SHA1
a491f99c6c8ad7f1df32fb3a164fbe7adc5a4657

SHA256
73edbf575378f048323ee133b8a407b95563066a1009716801e72fe125a82280

SHA512
defaed1437c0d68c4a1e865ca6fea77eb007b24ecd4a9e6c29bb6c5192dfe406f9dbea66f9b5377aea9eaed0c0e86a8065165870d62a7446da6a060d6bad7a41

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

Filesize
1KB

MD5
ec41c682e5831a149efbbb1d1e1729a7

SHA1
fb0e5b41007a31426ce83f08dc6184d8d1850034

SHA256
7a79e01848a21029707549d203ebf8d599a25fb0a49093e36c7f9f824aaede2a

SHA512
9fe5b3ad47466bef6963682fee3afe4831aedfd418a5296590544d356fd8f2308aea8bc6fe20b92675bf7b4e67d5c2ee84a0b36c5c4b8c07fdef11e947f8e075

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

Filesize
6KB

MD5
62a046346ec8b075bbed9139e3a878be

SHA1
d7b56073ea91660c0559807be38f358038a4e723

SHA256
bd25bc439edf7b58de51b97384668e8d5f381e1ffb0ae1cdbae84934ea2083a4

SHA512
b0372f71f63efc459438e87ae4104c24e47707260576b31c37f250d0fb649406d14b01d180f205db57b07ea6560ec2f11fd5e3cb5300886220b94e0b86a9e7fb

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

Filesize
6KB

MD5
71f799417b841c724f0218a87e02ce9d

SHA1
f3eddb4364b8c4f79e8bc4e84d9162c6f4a02895

SHA256
758ae5b7a0a68c87ad243950c850d98d54dfa08f69af153f585383c2291e491c

SHA512
6f11b84f9911b90d54919e52d9978b90c22ed71b6cec2548079c47f4f1a2ba566b33dc60c3a4ff46776153af0f7b3fefcb70fd9acd6be53e832a184b78d425a2

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

Filesize
130KB

MD5
a046190e552da2de128392a16e8e65f0

SHA1
a5d0a83c3bece0b274c5c099b81c627fccda59b3

SHA256
34ecdcb09c27e33d4960afd388f9d80b3ca6b5818f33aafe78bf9e26980543a5

SHA512
619d8b5cf66857b688847cbe66ed01d097ade4e74f20cef1951e039bb16dcd8572c591b8d940b03b28642d37477025f2e23d2d815ce22a18ed0e78ccda62c919

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