eb1ca2b3a6e564c32677d0cdc388e26b74ef686e071d7dbca44d0bfa10488feb

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
05/08/2026, 13:11

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General

Target
$PLUGINSDIR/AdvSplash.dll
Size 6KB
Sample260805-qfd4essxcx
SHA256 eb1ca2b3a6e564c32677d0cdc388e26b74ef686e071d7dbca44d0bfa10488feb
MD5 13cc92f90a299f5b2b2f795d0d2e47dc
SHA1 aa69ead8520876d232c6ed96021a4825e79f542f
SHA512 ff4e6e6e7104568fc85ef3a3f0494a5c7822a4ceaf65c584ad534f08f9a472a8d86f0a62f1f86343c61e2540b2254714b7ea43e4b312ff13d8271ff069386fa3
SSDEEP 96:6hNSXIcmYjkvTS6MnBNZ1BMjDfhkkEkkXstWpPwoS:JXIpzTSd1BSk/kJtWpP
TLSH
T137C1B837B7C216F7C35600F12916375387E9943263A1946909B3EBCAA6A185BDD34703
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	3936	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 652 wrote to memory of 3936	652	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 464
    3⤵
    - Program crash
    PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3936 -ip 3936
1⤵
PID:1428

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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