92f34db47c34d6867e6928d4a9cd27747ff642392c0e361f9cab2f5d8c4df300

Analysis

max time kernel
149s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/05/2026, 15:24

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 13KB
Sample260502-ss6ejsft5m
SHA256 92f34db47c34d6867e6928d4a9cd27747ff642392c0e361f9cab2f5d8c4df300
MD5 9b2bdf058d377da28704af9ca3ef1142
SHA1 0fc0d7fbc4c3a65eec33d9577ed38e545b3cc04b
SHA512 ba0c2a312732832874642f6ca8d3b5aa4274da5cbb3a09d990b442becdf9a1abb98c61c5cbbb55f6a5341d2997388d01f93f69e4946e923a1892c7621775b93f
SSDEEP 192:pK6RrZcTOIiQP00nXGqk3XsGZ4djZbfhhjv6WoF1dBaRp:I6RNcTPPVXG0kIjZbXjv6bBu
TLSH
T1BE524B51738888F3E786053D345237039B8A55267C916DE2C6335FC9696B19EBEB2343
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3684	1288	WerFault.exe	80

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 1072 wrote to memory of 1288	1072	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1072
- 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:1288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 548
    3⤵
    - Program crash
    PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1288 -ip 1288
1⤵
PID:1332

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/1288-0-0x00000000024F0000-0x000000000256C000-memory.dmp

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