a9c91ff610a26480597782ec66a6171f591ba5750ab719b8017ff978ce2b624d

Analysis

max time kernel
149s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/09/2026, 16:07

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General

Target
pb/dll/ws001105.dll
Size 300KB
Sample260916-tkzgpsdk5v
SHA256 a9c91ff610a26480597782ec66a6171f591ba5750ab719b8017ff978ce2b624d
MD5 21533bdbc9a808dd8c154098b903c4a2
SHA1 2f52231074d3b5dcf29e617fd0d3b03232b2c67a
SHA512 82f826a1909b7a01dbbbc1caed1382a62b61ce1cf5dc35d0a79f3bbde4f2d17ae85f38f2866a7787bbc7b235d2ec404e8381093a9bf9ba584e8247cf27458441
SSDEEP 6144:IHZ6T8+SQj6rhAEiVePf4SmiJWBDCHn9V8M:IH8jSQj6r7iVePVmiJW5CHL7
TLSH
T1B364AEA3E781C0B4DC5816BA21692737697D700413B4D2C3B7E82CAA6C566D1AF793CF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3848	5072	WerFault.exe	87

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 3904 wrote to memory of 5072	3904	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\pb\dll\ws001105.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\pb\dll\ws001105.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 624
    3⤵
    - Program crash
    PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
1⤵
PID:4204

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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