b2ff65464943d289c66fa22abc2285c166893e3a087a6c4eae3b521bce0aaaf9

Analysis

max time kernel
149s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20251015-en
resource tags

arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
submitted
04/11/2025, 15:53

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General

Target
BugSplat.dll
Size 296KB
Sample251104-tb58wsdn6y
SHA256 4b33ee0e8a4153c0c8ccd945adb18d8f91b5b824746a15986bf6781f081f9968
MD5 27d48c6c48d5259a4e2ad7be369ce906
SHA1 66ea6266024a66826a9dd57a1420b8ce6fd13b0c
SHA512 a037c86bb33b98d768c27d975bc27be348382e75f4bf96d736d2f3bbcc02b7da9dc922994502fad1eb8f80d4df791c2c0e826b55b68c20580a46b1a0fe2cb43f
SSDEEP 6144:zKNX3re4rLmb8Gh8cGLdutlE7ZWeyFEq0DQtzYtRVljQ:zKN6emgGh6LdGwWJFE9ls
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	5132	WerFault.exe	82

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 2592 wrote to memory of 5132	2592	rundll32.exe	82
PID 2592 wrote to memory of 5132	2592	rundll32.exe	82
PID 2592 wrote to memory of 5132	2592	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\BugSplat.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\BugSplat.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5132 -s 520
    3⤵
    - Program crash
    PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5132 -ip 5132
1⤵
PID:4976

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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