5b8b88008580a164e7ade0f56e75b458f34ab18087f9116221acef946d5e3794

Analysis

max time kernel
1563s
max time network
1571s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 14:21

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General

Target

lua51.dll
Size

389KB
MD5

d9b662c6266cafd4e035dc9582060df5
SHA1

5b783f87f3a711c1a16faa8766866a387f59b61f
SHA256

b7fd4300976af0209c952a0483c5de1055c6b2b479311dc22964ffbf10ca1d43
SHA512

91e55177a9322f22acf8b43d0cc0a444f5719349c9fff7092c7324a0a5b1244be2f84700291abbb44aec5cd7f55f8452685ee748f635213df59bf1897b1d0b69
SSDEEP

12288:niZ+ox9piQ8G27pC6Yyu5t60O0MJuAghAuNwAB7:ne19pm7pCuCt6+w

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1792	1996	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 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1868 wrote to memory of 1996	1868	rundll32.exe	31
PID 1996 wrote to memory of 1792	1996	rundll32.exe	32
PID 1996 wrote to memory of 1792	1996	rundll32.exe	32
PID 1996 wrote to memory of 1792	1996	rundll32.exe	32
PID 1996 wrote to memory of 1792	1996	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 220
    3⤵
    - Program crash
    PID:1792

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

Windows 7 deprecation

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