a9cb4580afcc0d0ed6754169237758d04d0a29759140206662af8f90b209def2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 07:37

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General

Target
$PLUGINSDIR/System.dll
Size 28KB
Sample260910-jfr7qazemd
SHA256 a9cb4580afcc0d0ed6754169237758d04d0a29759140206662af8f90b209def2
MD5 43cc2c7cfcb400c231dffc499b6d1301
SHA1 919fbfaf7547a26960749160cd628f083e7ca675
SHA512 beb570fc7c859667277985ea4656f3b7692975e77d4e831cbbb27b9f139b0558065f28b80be9aed970d32f75a4db24af976d034fed4518d68f610bdf19e4e9dd
SSDEEP 384:R6F3HLD3sx/to0y9eqd9sOfjjQLHczMJRYo6Hdsrzwx8gCEb:RG/EVypd+OeJRd6HJ
TLSH
T13CD20809FE46C9F3C1A2C57449DFE7378926BD288B264D67FE1F9E08BC636125E08205
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	3380	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 4544 wrote to memory of 3380	4544	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 612
    3⤵
    - Program crash
    PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3380 -ip 3380
1⤵
PID:3752

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/3380-0-0x0000000074D60000-0x0000000074D6E000-memory.dmp

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