f42c39305ae9cce6622a173a9d1a2b0886ff9edef2cd0957bc111d8a17062ecb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 09:13

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General

Target

lua51.dll
Size

389KB
MD5

0d9372c4330d5b28facaecd6e79425db
SHA1

7f9bb438491ece766a82a780e52cbd65f5365352
SHA256

76ef35bf0dd866ac5afd584c44236bee1bb842b530390ad28936fe231ddd348f
SHA512

4f7d17acff71f3ff3955df4073c82efd1106608c62fe417b302e36a9071a345444b0087a1ec8fce76edf5e5fbf7f189d30307b34037b31c03e4788485f1468a9
SSDEEP

12288:miZ+ox9piQ8G27pC6Yyu5t60O0MJuAghAuNwABu:me19pm7pCuCt6+w

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	2500	WerFault.exe	30

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 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2372 wrote to memory of 2500	2372	rundll32.exe	30
PID 2500 wrote to memory of 2900	2500	rundll32.exe	31
PID 2500 wrote to memory of 2900	2500	rundll32.exe	31
PID 2500 wrote to memory of 2900	2500	rundll32.exe	31
PID 2500 wrote to memory of 2900	2500	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 220
    3⤵
    - Program crash
    PID:2900

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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