426efd56da4014f12ec8ee2e268f86b848bbca776333d55482cb3eb71c744088

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
28/06/2026, 03:48

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample260628-ec33lae14v
SHA256 426efd56da4014f12ec8ee2e268f86b848bbca776333d55482cb3eb71c744088
MD5 3809b1424d53ccb427c88cabab8b5f94
SHA1 bc74d911216f32a9ca05c0d9b61a2aecfc0d1c0e
SHA512 626a1c5edd86a71579e42bac8df479184515e6796fa21cb4fad6731bb775641d25f8eb8e86b939b9db9099453e85c572c9ea7897339a3879a1b672bc9226fcee
SSDEEP 192:i6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxT7K72dwF7dBdcQOz:i6JaVh4I5rpPbT7+BdhO
TLSH
T13D523A51778888F3E792053EB45237079F9D5226B8929ED1CA331FC22D2B19E2FB1302
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1912	940	WerFault.exe	84

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 4652 wrote to memory of 940	4652	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4652
- 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:940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 644
    3⤵
    - Program crash
    PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 940 -ip 940
1⤵
PID:4700

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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