a296f9485d780b55e49b080d12f5eb2ccdc4046ba6c2ea7cce85cda84970bca4

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 05:57

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General

Target

pdfium.dll
Size

4.3MB
MD5

65a63bd3e6c4ce54299bf494582304f3
SHA1

e6f63f69388dd5a3cda90403711b78fe5c667981
SHA256

5b8d7269ed5ca414208ff017f52ee65f14d4d8a707a39a7dc3f9879c0c0ce335
SHA512

f8ff930aa55222478967b7865465c3f75138b9ff172fdcc1aab47a0172641c5a790e73b5d98bf47fc772002437ad2153846dec626e020408c8d6daee0c630b59
SSDEEP

98304:2RxHLI9xEoQRTlaVA+5xfMMHG0kOJuJrCpxPa0wwnYCICsAV:YpTcAsEsuyPahCICsA

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	2340	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 1044 wrote to memory of 2340	1044	rundll32.exe	31
PID 2340 wrote to memory of 2388	2340	rundll32.exe	32
PID 2340 wrote to memory of 2388	2340	rundll32.exe	32
PID 2340 wrote to memory of 2388	2340	rundll32.exe	32
PID 2340 wrote to memory of 2388	2340	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 220
    3⤵
    - Program crash
    PID:2388

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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