d239e6ca779f822e2f28ef9a86bdbbd7a5ea9c7641b7a62a37c9b45b15dc5c8a

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/04/2026, 00:18

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample260422-als7jaev9p
SHA256 d239e6ca779f822e2f28ef9a86bdbbd7a5ea9c7641b7a62a37c9b45b15dc5c8a
MD5 44a147533d1439c7b6ef37e2153e3c00
SHA1 1f7c3bce46180b1e791b8fc27f576c8c39881e18
SHA512 85380b45fcc3803c38b9092ed5f310c80390bb40502f2d09599922f0db03b4ea44c7a8c9ddb5ce9d0b6a95c54ae3d79cb58609b197f64f383dacb931c38fd482
SSDEEP 384:ECC43tPegZ3eBaRwCPOYY7nNYXCm/Yosa:ELTgZ3eBTCmrnNAC
TLSH
T127624D1137D558B3E2D62A797EE2B7138FA5FB2264438E0BC7332E06381A5956E7C311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2292	1932	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 5020 wrote to memory of 1932	5020	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:5020
- 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:1932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 544
    3⤵
    - Program crash
    PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1932 -ip 1932
1⤵
PID:4100

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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