89dd7d646278d8bfc41d5446bdc348b9a9afaa832abf02c1396272bb7ac7262a

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/05/2026, 01:05

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample260504-bfzb2aew4p
SHA256 89dd7d646278d8bfc41d5446bdc348b9a9afaa832abf02c1396272bb7ac7262a
MD5 d1eefb07abc2577dfb92eb2e95a975e4
SHA1 0584c2b1807bc3bd10d4b60d2d23eeb0e6832ca2
SHA512 eaffd9940b1df59e95e2adb79b3b6415fff5bf196ebea5fe625a6c52e552a00b44d985a36a8dd9eb33eba2425ffea4244ed07a75d87284ff51ec9f9a5e1ac65e
SSDEEP 192:E6GQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoT311929WtshLAzgSrX8:E6Nt+4t7uJalUnGesY7Lt8nC3/Yosa
TLSH
T186624D1137D598B3E2E62A797EF377138FA5F722A4428E0BC7332E4678565805D78311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1844	4532	WerFault.exe	83

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 4680 wrote to memory of 4532	4680	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4680
- 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:4532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 636
    3⤵
    - Program crash
    PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4532 -ip 4532
1⤵
PID:5068

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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