5ba21e938d5e331413ff69e73b825702136b0604b8b9adc81575ff3546cac726

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 20:11

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General

Target

BstkDrv_nxt.sys
Size

303KB
MD5

a271a11606a3979b89450194aa47f157
SHA1

c8e85bcfb4e8f144ea2a8c0337167dada6912c89
SHA256

5ba21e938d5e331413ff69e73b825702136b0604b8b9adc81575ff3546cac726
SHA512

787fa128c4d25e446638a14b47de16707ccbae803183e2635f55f6e3e48d025df7d7c8ba19da02d2a0d2c03f17680836f38bdc9f994da7913780d517ff550c01
SSDEEP

6144:4jdtrsNcXbm+QrPuEa6KR7d3KIDR0cGowN1pm:3NhLKR7d6+RzwN1pm

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 = "133626967013117940"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1344	chrome.exe
1344	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe
Token: SeShutdownPrivilege	1344	chrome.exe
Token: SeCreatePagefilePrivilege	1344	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe
1344	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3712	1344	chrome.exe	91
PID 1344 wrote to memory of 3712	1344	chrome.exe	91
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2496	1344	chrome.exe	92
PID 1344 wrote to memory of 2084	1344	chrome.exe	93
PID 1344 wrote to memory of 2084	1344	chrome.exe	93
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94
PID 1344 wrote to memory of 3612	1344	chrome.exe	94

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\BstkDrv_nxt.sys
1⤵
PID:1416
- C:\Users\Admin\AppData\Local\Temp\BstkDrv_nxt.sys
  C:\Users\Admin\AppData\Local\Temp\BstkDrv_nxt.sys
  2⤵
  PID:2624

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
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:1344
- 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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa5badab58,0x7ffa5badab68,0x7ffa5badab78
  2⤵
  PID:3712
- 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=1752 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:2
  2⤵
  PID:2496
- 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=2180 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:8
  2⤵
  PID:2084
- 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=service --mojo-platform-channel-handle=1892 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:8
  2⤵
  PID:3612
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3116 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:1
  2⤵
  PID:2188
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3136 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:1
  2⤵
  PID:3036
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3640 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:1
  2⤵
  PID:1988
- 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=4668 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:8
  2⤵
  PID:3992
- C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
  "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --reenable-autoupdates --system-level
  2⤵
  PID:3012
- - C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
    "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x240,0x244,0x248,0x21c,0x24c,0x7ff6f769ae48,0x7ff6f769ae58,0x7ff6f769ae68
    3⤵
    PID:4824
- 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=4640 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:8
  2⤵
  PID:2724
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4004 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:1
  2⤵
  PID:4300
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4464 --field-trial-handle=1956,i,11261890523424370120,3989575309725951442,131072 /prefetch:1
  2⤵
  PID:3104

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:5064

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
810B

MD5
3c68ee07e5c26ada6761ca6c9da003d0

SHA1
29a63a3294de541c6da464676cb263b784c1c013

SHA256
fbd66933b4620a147ae917ed9dd439edf2a38d9876d5838206e603e21c7770b3

SHA512
168e0515958391451b925e44b04e4935db9cd1268ef97b3fb03889623f56944e4ea605a8bd1fdda2fe6f0d627c408f4e43b57576d819e626460e9a351f2321be

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
7KB

MD5
848b1201b851cf8ba0c8edfb3436317e

SHA1
8a545d6811fada11cb0d81a9e1d157880d00a207

SHA256
ba707a7e286a6d51883c490a3ebfeabb209114eef055110236e28eef3ff2059a

SHA512
1c38233e9a642f721a958f9fd9ee872631772ac31a1bb26955da7cbb9cca9efe86af341f2c05281eed7d6f00f09fea4fbe892602e7ca65cc284d5acbfd2a1b3e

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

Filesize
7KB

MD5
a65ec561deb56f6d9573a57f0ab0b3f2

SHA1
aa6902929693b4024c1dd717e1067fda34685d09

SHA256
c9cad0e5a68c68f185540c167be442646724ee182889044f46dcec40d23ee67c

SHA512
ec3de32a29d1d19e4fce34d6e41d02d09b2e9d5e3040eda241a5e70320dfbee8b4dabf32bb762ca9185e94c159f869df2b27d3e50e8730849488d33a7d607c8b

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

Filesize
257KB

MD5
39e5152e3b4d681aab91e2e6f6be0195

SHA1
814bd9f92d43a750b0b07f109014339bcfc6e2f3

SHA256
0ee0adfe8ec0bfe005b8535fe89fd6ec52c8dd6c61a5ddb534b9b8aae969cd9a

SHA512
66fec0ec262afc8391fb251952e5529e5f189e2075f15228e1fca3e2e651719b176515ecddb2ffb4677e69de160a5b88518b3f6ef748d4a92c6416087b8ce543

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

Filesize
257KB

MD5
a7e741e74381e766116bc6a3a2b11a47

SHA1
84ab2183b215e626e68fca6f908d04343d656ef7

SHA256
7f8f2725f5ed8a09f9caf220e67ec0ebb9f51874b02116ae410d359a53f15f4e

SHA512
7090f78c98031103f08247af5caf5b2e9d7eb24520a39e0bc8a5a8ec0093362ea951ed18591d72c0e87a5e4999a6b66b02c8b1b1118eb849a6b3c839b0321a3c

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

Filesize
257KB

MD5
c5f0f2fff14081628a5ef91dee4f43df

SHA1
e2bd4dd8536c34bca79a5300250f64b6c9773997

SHA256
25e7786e422a4d4528f9e6b7743226560df5044857fe12e37b8a02b33b290c79

SHA512
b007662997586c6f9d2a159f4bc81dde88628f62bcee90323413efbf42d4f25300af46a2042be462e038d0e14ba054bac45013b674048e35f8ad83d6b917eb1d

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
memory/2624-0-0x0000000140000000-0x000000014005A000-memory.dmp

Filesize
360KB

Download