f9c47cf365f3607bc9abbce76839d02e6309a0d4389f1d2e0efb8d01e32459e9

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
27/05/2026, 16:07

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General

Target
$PLUGINSDIR/System.dll
Size 10KB
Sample260527-tk11jadw6x
SHA256 f9c47cf365f3607bc9abbce76839d02e6309a0d4389f1d2e0efb8d01e32459e9
MD5 b0a81b7b1bd6bbfe15e609df42791d22
SHA1 1b6f6726740b02aafdbe19cdc7b9dc5a2fdc4f75
SHA512 e105e7a3d4a908e59a8c8ab480d228bc4106e93f7fb833e6a5dea5ee0f2757c8617bda181324a059568d4b4c0b72b8628e60cf520c4f1b282305dbb34b5da194
SSDEEP 192:Tv+cJZE61KRWJQO6tFiUdK7ckD4k7l1XRBm0w+NiHi1XSJ:Tf6rtFRdbQ1W+fX8
TLSH
T1C4225C5893E0C1F3D6A0853C18573A772729712455A18FE3CFA35841AE196D7BC7E336
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4856	2584	WerFault.exe	87

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 4756 wrote to memory of 2584	4756	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4756
- 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:2584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 612
    3⤵
    - Program crash
    PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2584 -ip 2584
1⤵
PID:2600

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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