6d97edcab4d3d2e18c5d321b443be7b6d21084a305413de465a4e92f6df720c5

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2025 07:52

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General

Target

Manifest/DuiLib_u.dll
Size

840KB
MD5

27cdf66f9b92629a7dc8109d9590efec
SHA1

fc96fa0eae6d60adea067f17e9de063597f3227e
SHA256

5919ad0385b6465801fb44c00a79ec224a14cb8655c883ba4b564449fa3dcefd
SHA512

90f9bcacab284fa91d051a73f197b17049801130cf17df5f8b7656b92c19deccbd72659d12226897f47d16da37cf05fca96be5cf3688ff8bc297630e9c2ab554
SSDEEP

12288:Bcy4dL6U7sUGCzzOOUS/9v8W7ykIYEviIMm:BId9CcUS/90IyBYa1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	4672	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 3 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 4672	4112	rundll32.exe	80
PID 4112 wrote to memory of 4672	4112	rundll32.exe	80
PID 4112 wrote to memory of 4672	4112	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Manifest\DuiLib_u.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Manifest\DuiLib_u.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 612
    3⤵
    - Program crash
    PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4672 -ip 4672
1⤵
PID:1692

Network

MITRE ATT&CK Enterprise v15

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 v15

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