bc09405c0587f3d7b421e343c06579655713025baa5afd8b6feaac7457820e4a

Analysis

max time kernel
149s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
06/02/2026, 04:31

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General

Target
bc09405c0587f3d7b421e343c06579655713025baa5afd8b6feaac7457820e4a.dll
Size 208KB
Sample260206-e5n45sas9g
SHA256 bc09405c0587f3d7b421e343c06579655713025baa5afd8b6feaac7457820e4a
MD5 b6fa8a80f1b80e7cb7830c50b3d68664
SHA1 1fd208cef371726e0a45e368b6e8506873eece39
SHA512 658bb0a1a8eccd2861be83ca8234128433e3dfab9ced1b5de06174158ec5e79085533824a2f667b005a0c4d10e7a623ce1815a4cb87545cb1c0b09fb7a63cdaa
SSDEEP 3072:LI6CqRCxffkClZ8Cqn7LQlRw6x+Y3CxT2DtK5jdUvY5:LIDff9D8CcXYRw6MT2DEj
TLSH
T111248C6135C5F732D4960478670BC7724EFCB83426B1A5C7AF984AA95F22293DB3A307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	4748	WerFault.exe	79

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 4720 wrote to memory of 4748	4720	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc09405c0587f3d7b421e343c06579655713025baa5afd8b6feaac7457820e4a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc09405c0587f3d7b421e343c06579655713025baa5afd8b6feaac7457820e4a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 496
    3⤵
    - Program crash
    PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4748 -ip 4748
1⤵
PID:3024

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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