a296f9485d780b55e49b080d12f5eb2ccdc4046ba6c2ea7cce85cda84970bca4

Analysis

max time kernel
92s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
submitted
22-11-2024 05:53

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General

Target

pdfium.dll

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	3700	WerFault.exe	81

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 3552 wrote to memory of 3700	3552	rundll32.exe	81
PID 3552 wrote to memory of 3700	3552	rundll32.exe	81
PID 3552 wrote to memory of 3700	3552	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 620
    3⤵
    - Program crash
    PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3700 -ip 3700
1⤵
PID:4948

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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