1f8e8f336df6773d6b63bd5a7efbfc889d08888fec55da402eaf93cb950aa283

Analysis

max time kernel
149s
max time network
118s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/04/2026, 06:54

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample260416-hppbraht7p
SHA256 1f8e8f336df6773d6b63bd5a7efbfc889d08888fec55da402eaf93cb950aa283
MD5 90bb49f3fd416f912a637526914bd044
SHA1 626051dd6c759a5b847664549736c37aba9ede5a
SHA512 5156923f51be2057f7003577b46732f6b0b0bb55402f49df3747085b9802b3a2492cd5f087ef988db5a69f241c10163ada0e649b149da8a198b7fc2cc83334e5
SSDEEP 384:E5C43tPegZ3eBaRwCPOYY7nNYXCA/Yosa:EQTgZ3eBTCmrnNAE
TLSH
T17A624C1137C558B3E2D62A797EE2B7138FA5F722A4438E0BC7332E06281A5956E7C311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4876	4700	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 4428 wrote to memory of 4700	4428	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:4428
- 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:4700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 544
    3⤵
    - Program crash
    PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4700 -ip 4700
1⤵
PID:2196

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/4700-0-0x0000000002300000-0x000000000258B000-memory.dmp

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