a97982edc5a2b47956648aee5bac78507b5903444f1fde80e583c886b69fc821

Analysis

max time kernel
140s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 02:42

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General

Target

Script Menu/x86/FileIOProxyStubx86.dll
Size

49KB
MD5

668c12fcdf587eaebf71c7bd162b7911
SHA1

a2db873e00771fe5d4fe3979419e496d5d6d674f
SHA256

3633f095f3e05480af476f11ea99fa4eb954aa05e9946f082c30a22ce5ba445f
SHA512

92d299e2c5aa32af8dcf8b9c90504b4833f63d9240a0ba90cac3e4cac6bdb4a598cf06bf1d070d8df783621018eb10eec4fc63213ef9b3a4c40f09cb4d2e7803
SSDEEP

768:rZwdDnTKohujEU7f4cv0E1CwiP4BdyJ8Qa53hTc:rZeHKo077f4cv0H1PeEO53hTc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4236 184 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
4236	184	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 3716 wrote to memory of 184	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 184	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 184	3716	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Script Menu\x86\FileIOProxyStubx86.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Script Menu\x86\FileIOProxyStubx86.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 184 -s 560
    3⤵
    - Program crash
    PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 184 -ip 184
1⤵
PID:216

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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