1a1414eab446493807b09a2e08ba806fb3fc91b5c1294af22c2b27f79ec3304c

Analysis

max time kernel
898s
max time network
403s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/07/2026, 06:55

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General

Target
BvWinFsp.dll
Size 697KB
Sample260704-hptapsct5x
SHA256 1a1414eab446493807b09a2e08ba806fb3fc91b5c1294af22c2b27f79ec3304c
MD5 1e1a7988a711e9e53badd8d43a35e7fb
SHA1 28cb2238afac182145cf74f17333c1030a0009d5
SHA512 6d145039653c58d3377f739b0beae1c801d74430796017d3f67e79ba6ae64edecbce4f221837b83708b8d4c2df1b131e03cde3457d73fda8e143b6ebddfe1179
SSDEEP 12288:nr0KJjKEQxJdSaC6SWO8beax65WGaUelZaEUpJf8zIb3uzXf9Ua:ngKpKEQxJcaC6SLl1o8Em/b3uzXfL
TLSH
T17DE4F192F785C7B5F1E3047EA9BD4FB21E3F2C344B2558DB5AA4292457706E2BA38301
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 6136	4604	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\BvWinFsp.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\BvWinFsp.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6136

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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