f93ea84881ba80c51df747ec6d77284162d1b6d052b6445c57cda848d798ee56

Analysis

max time kernel
149s
max time network
154s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
30/05/2026, 16:53

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General

Target
Download Navigator/CoreSync/VulcanMessage5.dll
Size 642KB
Sample260530-vd57caas21
SHA256 f93ea84881ba80c51df747ec6d77284162d1b6d052b6445c57cda848d798ee56
MD5 0a48445a75beae74e5887bbc5323812b
SHA1 f88a5a7c0608c0c6d782e423b3727b644ceb050e
SHA512 de1b2d0478d69013cac09369b2e0240c63b59609a92307084d0fa68b6507a14c76de4dddf1b8faab4147e4407947e59f1a3de17c6b7e6907387bc38b0e17f5b3
SSDEEP 12288:e9+0LONo4VrTnj++CY6T5Z7SatPuUdIOGiu3CNu/jCQX7g5oap6uEppu6S+R4cll:e40LONo4VrTnj++CY6T5Z7SXg5oap6TH
TLSH
T148E48D22B601C1B9D55E01B25A38BEFE667DA5714FA005CBB3D85A3DCE340C2AB36717
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4348	3328	WerFault.exe	83

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 2932 wrote to memory of 3328	2932	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Download Navigator\CoreSync\VulcanMessage5.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Download Navigator\CoreSync\VulcanMessage5.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 616
    3⤵
    - Program crash
    PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3328 -ip 3328
1⤵
PID:1452

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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