39c43d67f546fc898f7406d213b73dcb1bc30fc811ddfa3a02b6b50c29d11f91

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 18:24

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General

Target
$PLUGINSDIR/DotNetChecker.dll
Size 84KB
Sample260805-w11e2stcnd
SHA256 39c43d67f546fc898f7406d213b73dcb1bc30fc811ddfa3a02b6b50c29d11f91
MD5 f18364fa5084add86c6e73e457404f18
SHA1 6d87c4b9dbf78af88fddf0d4d5febe845c8e4e6a
SHA512 716892492390fe4314f3289286f733d07b8b84de1f5af0676b26e68c0be01808682d35ad2bb9e9491247b7bb5a0ea297a6850e26de9baf88621c789206107db3
SSDEEP 1536:AZBjgSXlkq8su+OudgGpGlmQSMqJS4HGsorJKQUDs0OsWPIcdGbk2HeJ:AYvo7PMqEuiKQGbk2HeJ
TLSH
T14D835B1076D0C1B5E57F1D3948A6D661076EB810EFE4CDEB279A03690E702C1BE3AE23
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	5840	WerFault.exe	90

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 3332 wrote to memory of 5840	3332	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DotNetChecker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DotNetChecker.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5840 -s 524
    3⤵
    - Program crash
    PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 5840 -ip 5840
1⤵
PID:2492

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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