554b9c274ac8e4436944bd3908acd251f42fb372e0c7c678214a7efa47f7fdb4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
22/08/2026, 17:46

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General

Target
554b9c274ac8e4436944bd3908acd251f42fb372e0c7c678214a7efa47f7fdb4.dll
Size 864KB
Sample260822-wb98ysstat
SHA256 554b9c274ac8e4436944bd3908acd251f42fb372e0c7c678214a7efa47f7fdb4
MD5 cebcbf5518672b182f3104fcd7ec1c33
SHA1 f1070ae5809ca6cff9d9ddecbb51daa363272113
SHA512 a10eea118f3c5a369eacfec887eca4ce905ea89d56a807ee92dd0c14e8a74efb726b9ffb4e35a77eced5d257f787fd9987ab78e4c4f331c765f7b6fbcc865042
SSDEEP 6144:FCwklXTHmqJ+QUBF2XlWE87tNbgSHXnRHxu3mDWS+HKL4H08T+vPapL210o5C+7T:0waS+ONjPal2WoafiEvCiicZ8WlYtS
TLSH
T1C415D81163EA5619F6FB1BB069FCA5299E3ABD315B72C9CF4210519D0AB0FE09934333
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4488	4680	WerFault.exe	86
4996	4680	WerFault.exe	86

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 3188 wrote to memory of 4680	3188	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\554b9c274ac8e4436944bd3908acd251f42fb372e0c7c678214a7efa47f7fdb4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\554b9c274ac8e4436944bd3908acd251f42fb372e0c7c678214a7efa47f7fdb4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 556
    3⤵
    - Program crash
    PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 552
    3⤵
    - Program crash
    PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4680 -ip 4680
1⤵
PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4680 -ip 4680
1⤵
PID:1108

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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