ffa242fa81e6d85922f201de6719b37029c03fae1dca3f27d555148e33daa842

Analysis

max time kernel
108s
max time network
140s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
16-11-2024 16:28

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General

Target

dII/libEGL.dll
Size

375KB
MD5

51cc9f3891cfe33e095f901c8e5f121d
SHA1

03ac95d250969e65a3ede7a29c3e5425ccdd9fe1
SHA256

961aff31cab097ebb973a32140c4f87c415734412771cf1fdfe24ddc675b54c2
SHA512

3351898af8c75afa8df3f300416bc9d40f4ead90ea947876140ec54a015fafd149427a9dfb5b7c8239ae229839edd786561a5a73ffe37f29758946fd18730039
SSDEEP

6144:5tp6qTYU1a4FPLg8Z166+6FKkHmIMTPSZMP:pvTnRm8Z161WGXPSZ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1444 4036 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1444	4036	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4696 wrote to memory of 4036	4696	rundll32.exe	rundll32.exe
PID 4696 wrote to memory of 4036	4696	rundll32.exe	rundll32.exe
PID 4696 wrote to memory of 4036	4696	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dII\libEGL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dII\libEGL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 604
    3⤵
    - Program crash
    PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4036 -ip 4036
1⤵
PID:4912

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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