5163c903fca3c005f740edb9b512a42288522c368a241d4dd9511715abc5c18f

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
07/05/2026, 03:52

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General

Target
$PLUGINSDIR/JxNsis.dll
Size 2.6MB
Sample260507-ee8e4aew3w
SHA256 5163c903fca3c005f740edb9b512a42288522c368a241d4dd9511715abc5c18f
MD5 a97329864cca00ec55e65846932b17fd
SHA1 b3082c38daa3ed30252ae042745ab8ce72b240db
SHA512 5409a54064d52d26de02eccc381ead35e9bb913d6bcc62aa084bea078093ed2b47b13805b775dc7068d3cf600b0bbd06c7cd4c543ad8898fcf4019c8a1afed30
SSDEEP 49152:fat9QdYYMl6vOgbFih7lz+Ab/M38rzm+vaTA+dPYXcWHEHm8/F4mdS:fW9QdYT0vOSFGlz+Ab/M3yy+QOXcE
TLSH
T1F4C5BF02FF8280B2E5AF013491BA577F4D3EAA244738C9D397E119B99D301D1663E79E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4808	4744	WerFault.exe	85

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 4748 wrote to memory of 4744	4748	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\JxNsis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\JxNsis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 636
    3⤵
    - Program crash
    PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4744 -ip 4744
1⤵
PID:4640

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

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Downloads

memory/4744-0-0x00000000010C0000-0x00000000010E5000-memory.dmp

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