4a09c180f2e94cf89b08cbb4db54e10790b8a3b65107417f639fca9873e12715

Analysis

max time kernel
899s
max time network
617s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
30/05/2026, 04:32

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General

Target
Boot/bootvhd.dll
Size 102KB
Sample260530-e53yasdz71
SHA256 4a09c180f2e94cf89b08cbb4db54e10790b8a3b65107417f639fca9873e12715
MD5 3d36cdc46c937184bf399fd268f0fe04
SHA1 c271283d1a79f2479c99f584da1eb887ac8add3c
SHA512 8f0998c0877be6986a39f720674f7487235018ff1804b95711adf0bb0e6b2273cb08b1c8c9c0a88b1dbc7a4134362e6e631b95701ad6a932ab7f2d56684a9c0f
SSDEEP 1536:cn+yWjc9tKi6p3BVoVqW/3hLgwW1Pf9zu6hW6FwHHHTaFP0z:c+djcXKi6p3BVoVqI2wEVzvhWhHTaFs
TLSH
T112A35B61A18441B1C8E775F8590EB63A9A7F97DA432022D713141BE4E5A0FD1BF3A2CF
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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 1928	4564	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Boot\bootvhd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Boot\bootvhd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1928

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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