da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b

Analysis

max time kernel
149s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/11/2026, 06:01

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General

Target
da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe
Size 25.5MB
Sample261113-graqpsz16p
SHA256 da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b
MD5 c2a38075b2cd935c874a508bcdaa18a4
SHA1 c02f72f073ada0699ff293a7364b63b5cfc9b067
SHA512 4ed3e6b472b805593b83db04fbe796364d677a17c2624f091a8a80e6308fcf82ebd41f4699f948b11bbe2f86b55b519a610f36b50a74a477da903a88657a3e4f
SSDEEP 393216:kjp944E3MpNssAecUH9Lw/lKSXDVRHYxoZWiDJIuL:GNeM4LeLH9s/wSTVoo0qL
TLSH
T1F4479F51B70B14F6FB434C3245F9BB3FBE35E2DC8974C829E964683AB661C1B859C290
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery miner persistence

Malware Config

Signatures

Fake Chrome/Google updater delivering miners 1 IoCs

miner defense_evasion

resource	yara_rule
behavioral2/files/0x000c00000001c5ce-8.dat	fake_chrome_update

Executes dropped EXE 14 IoCs

pid	Process
800	ChromeSessionService.exe
1948	ChromeSessionManager.exe
4476	GoogleMediaService.exe
4988	ChromeSessionService.exe
4056	ChromeSessionService.exe
4864	ChromeSessionService.exe
6124	ChromeSessionService.exe
5068	ChromeSessionService.exe
5848	ChromeSessionService.exe
2964	ChromeSessionService.exe
6016	ChromeSessionService.exe
4488	ChromeSessionService.exe
5292	ChromeSessionService.exe
4880	ChromeSessionService.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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdHelper64 = "\"C:\\Users\\Admin\\AppData\\Local\\Google\\Update\\143.0.7382.111\\GoogleMediaService.exe\" /c"	da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 15 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	GoogleMediaService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionManager.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	ChromeSessionService.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 800	2608	da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe	89
PID 2608 wrote to memory of 1948	2608	da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe	90
PID 1948 wrote to memory of 4988	1948	ChromeSessionManager.exe	93
PID 1948 wrote to memory of 4056	1948	ChromeSessionManager.exe	94
PID 1948 wrote to memory of 4864	1948	ChromeSessionManager.exe	95
PID 1948 wrote to memory of 6124	1948	ChromeSessionManager.exe	96
PID 1948 wrote to memory of 5068	1948	ChromeSessionManager.exe	97
PID 1948 wrote to memory of 5848	1948	ChromeSessionManager.exe	98
PID 1948 wrote to memory of 2964	1948	ChromeSessionManager.exe	99
PID 1948 wrote to memory of 6016	1948	ChromeSessionManager.exe	100
PID 1948 wrote to memory of 4488	1948	ChromeSessionManager.exe	101
PID 1948 wrote to memory of 5292	1948	ChromeSessionManager.exe	102
PID 1948 wrote to memory of 4880	1948	ChromeSessionManager.exe	103

C:\Users\Admin\AppData\Local\Temp\da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe
"C:\Users\Admin\AppData\Local\Temp\da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b.exe"
1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
  "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  PID:800
- C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionManager.exe
  "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionManager.exe" /s
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:4988
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:4056
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:4864
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:6124
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:5068
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:5848
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:2964
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:6016
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:4488
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:5292
- - C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
    "C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    PID:4880

C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\GoogleMediaService.exe
"C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\GoogleMediaService.exe" /c
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
PID:4476

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ChromeSessionManager.exe

Path C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionManager.exe
Size 25.5MB
SHA256 da39b6c34ade067a7632b1b9c18e517dcfff802a3162b2ac74da16614192655b
MD5 c2a38075b2cd935c874a508bcdaa18a4
SHA1 c02f72f073ada0699ff293a7364b63b5cfc9b067
SHA512 4ed3e6b472b805593b83db04fbe796364d677a17c2624f091a8a80e6308fcf82ebd41f4699f948b11bbe2f86b55b519a610f36b50a74a477da903a88657a3e4f
SSDEEP 393216:kjp944E3MpNssAecUH9Lw/lKSXDVRHYxoZWiDJIuL:GNeM4LeLH9s/wSTVoo0qL
TLSH
T1F4479F51B70B14F6FB434C3245F9BB3FBE35E2DC8974C829E964683AB661C1B859C290
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ChromeSessionService.exe

Path C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\ChromeSessionService.exe
Size 22.2MB
SHA256 733861c9844d8b78ff1341d31d05e0a6f5270efe46cf988c976c4592bebfe2b9
MD5 8e25b83075b9c59f00a052157d44163b
SHA1 7af003419c721c23fe2fe972005755add17d60fd
SHA512 fe0d7935c5bec8ca295b4f98f5284ef7028e2276ad7b99e5d6201ce8e036fdf9739da5d20ba9a46fab92d0843f7c2bf905b3ba8fb9e6a9a9bd1768639fd09d81
SSDEEP 196608:3UdppEi44/eEcn35Nk9dfRdnstRgjAtRWcnduT71au4SwwC2dKxwex9:kjp944E3MpNssAecUH9Lw/lKw
TLSH
T15F378E51B70B14F6FB434C3245F9BB3FBE35E2DC8974C829E924687AB661C1B859C290
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

guchrome.dll

Path C:\Users\Admin\AppData\Local\Google\Update\143.0.7382.111\guchrome.dll
Size 1.8MB
SHA256 bc4c55e44ee1ce005a2a67d5e2d8954c81c808be280aa5055b0ca85fed39525f
MD5 4d3f433643b4da483137700932220bc9
SHA1 66e6f58a5c80ed0a489c016f550ccc22d494f44f
SHA512 04a0f5ce77cc8049572da429657816835b8875c91b74c15da52e67aafe16f868ec4eee121cccb11130e44b7bf33624b534748d23033d85c9e8a355dc94298aa6
SSDEEP 24576:T7oisRlZe8jewqwd9fCrjJ2QHSQirvF7ilDKkntte:notJOrDSQipvC
TLSH
T1B1950816A74702DBF7A242309EBCB761EC2ED754511C8E3A969D81BD3CB0C3F5889399
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/800-21-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/1948-27-0x00007FF630310000-0x00007FF631C30000-memory.dmp

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memory/2608-11-0x00007FF7D9790000-0x00007FF7DB0B0000-memory.dmp

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memory/2608-24-0x00007FF7D9790000-0x00007FF7DB0B0000-memory.dmp

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memory/2608-2-0x00007FF7D9790000-0x00007FF7DB0B0000-memory.dmp

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memory/2964-51-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/4056-32-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/4476-23-0x00007FF6AD6F0000-0x00007FF6AF010000-memory.dmp

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memory/4488-59-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/4864-35-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/4880-67-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/4988-28-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/5068-43-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/5292-64-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/5848-48-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/6016-56-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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memory/6124-40-0x00007FF7D4580000-0x00007FF7D5EA0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads