a8d32c028eeddcdb8734ecd455054b19937c909cb3cab5defd424df18645b440

Analysis

max time kernel
147s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/10/2026, 01:13

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General

Target
file.exe
Size 25.8MB
Sample261022-bllccsg131
SHA256 a8d32c028eeddcdb8734ecd455054b19937c909cb3cab5defd424df18645b440
MD5 cb036dd2191f5c3ee017183c332a7e62
SHA1 0e951e99290137ceeac4e76378cdde59eef26e4f
SHA512 c80a95c6986b749b301496314fae914d723dae5515d9fdca55fc0dead73ed7855facb0f115690069c1d87a12e5d6df9a7f6156c54bd6c3ca64a92c1faaae3623
SSDEEP 393216:yYveJVp85tgNBqLNk05Soim2N8bansMxXdmNRXhW93Z:FerK5tgNQLNkDkinsuXd8XhW93Z
TLSH
T12647B051F70B04F6FF434C3645F9AB2F7B35E2DC8974C55AE828242ABAA2C1B45DC291
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 12 IoCs

pid	Process
200	GoogleSyncService.exe
3040	ChromeNetCache.exe
792	ChromeHealthCheck.exe
2412	ChromeNetCache.exe
1680	ChromeNetCache.exe
5872	ChromeNetCache.exe
5772	ChromeNetCache.exe
2376	ChromeNetCache.exe
5952	ChromeNetCache.exe
5412	ChromeNetCache.exe
616	ChromeNetCache.exe
1132	ChromeNetCache.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\GUpdateEngine = "\"C:\\Users\\Admin\\AppData\\Local\\Google\\Chrome\\hzdyhu13qp\\GoogleSyncService.exe\" /user"	file.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
8	file.exe
8	file.exe
8	file.exe
8	file.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe
792	ChromeHealthCheck.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 3040	8	file.exe	92
PID 8 wrote to memory of 792	8	file.exe	93
PID 792 wrote to memory of 2412	792	ChromeHealthCheck.exe	94
PID 792 wrote to memory of 1680	792	ChromeHealthCheck.exe	95
PID 792 wrote to memory of 5872	792	ChromeHealthCheck.exe	96
PID 792 wrote to memory of 5772	792	ChromeHealthCheck.exe	97
PID 792 wrote to memory of 2376	792	ChromeHealthCheck.exe	98
PID 792 wrote to memory of 5952	792	ChromeHealthCheck.exe	99
PID 792 wrote to memory of 5412	792	ChromeHealthCheck.exe	100
PID 792 wrote to memory of 616	792	ChromeHealthCheck.exe	101
PID 792 wrote to memory of 1132	792	ChromeHealthCheck.exe	102

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:8
- C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
  "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
  2⤵
  - Executes dropped EXE
  PID:3040
- C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeHealthCheck.exe
  "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeHealthCheck.exe" /watchu
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:2412
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:1680
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:5872
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:5772
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:2376
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:5952
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:5412
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:616
- - C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe
    "C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\ChromeNetCache.exe"
    3⤵
    - Executes dropped EXE
    PID:1132

C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\GoogleSyncService.exe
"C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\GoogleSyncService.exe" /user
1⤵
- Executes dropped EXE
PID:200

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

GoogleSyncService.exe

Path C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\GoogleSyncService.exe
Size 25.8MB
SHA256 a8d32c028eeddcdb8734ecd455054b19937c909cb3cab5defd424df18645b440
MD5 cb036dd2191f5c3ee017183c332a7e62
SHA1 0e951e99290137ceeac4e76378cdde59eef26e4f
SHA512 c80a95c6986b749b301496314fae914d723dae5515d9fdca55fc0dead73ed7855facb0f115690069c1d87a12e5d6df9a7f6156c54bd6c3ca64a92c1faaae3623
SSDEEP 393216:yYveJVp85tgNBqLNk05Soim2N8bansMxXdmNRXhW93Z:FerK5tgNQLNkDkinsuXd8XhW93Z
TLSH
T12647B051F70B04F6FF434C3645F9AB2F7B35E2DC8974C55AE828242ABAA2C1B45DC291
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

chromenet.dll

Path C:\Users\Admin\AppData\Local\Google\Chrome\hzdyhu13qp\chromenet.dll
Size 2.1MB
SHA256 34cbf3d3c5c1e499c85e9d6be1d2921c9180a44dbe864249e7436e0493c39295
MD5 34beba07eb913adba230a6c17342c981
SHA1 60671cf232ef138c71441e78e1b3d740b4df3a34
SHA512 9d6d33e047431937a9259ae2b49d8c29b408451116d9a1e93776274c35aea6183b492dc61e355db01c741b34848c6da7dc0fd4d90c611c462c3cc83dd3806f8b
SSDEEP 24576:ZgNGDG8sBBCR88/vUnLeXnQgpSl5S9T7w2HLfAk65IfewknfLAQ:yNGDsC/vULfyyAiIfetAQ
TLSH
T1C1A5D605F72715CFEF9541B06DBDB312E95DCBA4A188CA779A5C827D3CB2C2E1884392
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/8-6-0x00007FF740740000-0x00007FF7420BB000-memory.dmp

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memory/8-7-0x00007FF740740000-0x00007FF7420BB000-memory.dmp

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memory/8-16-0x00007FF740740000-0x00007FF7420BB000-memory.dmp

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memory/8-2-0x00007FF740740000-0x00007FF7420BB000-memory.dmp

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memory/200-5-0x00007FF722970000-0x00007FF7242EB000-memory.dmp

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memory/616-40-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/792-23-0x00007FF7E2FC0000-0x00007FF7E493B000-memory.dmp

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memory/1132-43-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/1680-22-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/2376-31-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/2412-19-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/3040-15-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/5412-37-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/5772-28-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/5872-25-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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memory/5952-35-0x00007FF6FE5A0000-0x00007FF6FFF1B000-memory.dmp

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