373e608b8d84e66ca539779c29fef0ab7c35cf92410efbc1521604dfe51dead4

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25/07/2024, 19:32

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General

Target

lua51.dll
Size

389KB
MD5

e7fb52767061abd398258ea5e530ca09
SHA1

3292f5df4f4199e4a4a444f389b4fbeae574b6c0
SHA256

050a50db7eaa4db0cc962445c6b9f7dea4c0c7f776c60b05499f12b3280ad646
SHA512

f8ce10765414eb45aef57789c5e37496cd9bd6b69f5f90cab3b51a3b991ec004ff2320c153eab58f895ad31c196559b0c12dafc6aa2949c96d7d824c3a923bc1
SSDEEP

12288:tiZ+ox9piQ8G27pC6Yyu5t60O0MJuAghAuNwABN:te19pm7pCuCt6+w

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2660	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 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 1424 wrote to memory of 2660	1424	rundll32.exe	31
PID 2660 wrote to memory of 2696	2660	rundll32.exe	32
PID 2660 wrote to memory of 2696	2660	rundll32.exe	32
PID 2660 wrote to memory of 2696	2660	rundll32.exe	32
PID 2660 wrote to memory of 2696	2660	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:1424
- 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:2660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 220
    3⤵
    - Program crash
    PID:2696

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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