a778d3d9855d5c28a0ffcbc7d21c33a99beef4bf9587a7d7a65c65745801a29c

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/10/2026, 00:59

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample261027-bb9l7scd37
SHA256 a778d3d9855d5c28a0ffcbc7d21c33a99beef4bf9587a7d7a65c65745801a29c
MD5 ca28ddf732c58331d10b840600b2e519
SHA1 e18db6b0e858b2f3e6d1cb89df1ed973710f1f34
SHA512 2d833fc745e8d7036a2ca500bc0a8274e61338382c4437700510b0361661202fdba36c1ade6fef7591ca4b591568cebbccdcb03830e32b00364eb3705d35420e
SSDEEP 192:EMGQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoTT611929WtshLAzgSrX8:EMNt+4t7uJalUnGesY7Lt8nCT6/Yosa
TLSH
T102624D1137D598B3E2E62A797EF377138FA5F722A4428E0BC7332E4638565846D78311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
888	3356	WerFault.exe	82

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 4724 wrote to memory of 3356	4724	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 636
    3⤵
    - Program crash
    PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3356 -ip 3356
1⤵
PID:2084

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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