c64ea4c1784bd5580e8a53668d13945af776f7a3f34a51157ec677ca1f399936

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-08-2024 19:31

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General

Target

rc7BYFRON/lua5.1.dll
Size

164KB
MD5

ee3043c17751c763e26d03f6eebb1b8b
SHA1

91d52c619c561db7f678b43456a2bd500064bfb1
SHA256

26384c6ee7d50863e3fb65fdc1bad452d9311f34d782390401de9bb130eecc4a
SHA512

1ee1aefef0ace1d5fe4a5fac06d1e46e55c9a2180b98cbda540cdf4a15e5e6f17c99c473276524b10485be574032a66c34ce08a9c973e9a46c59249307dead41
SSDEEP

3072:PUvMMlibAYKY4rg4ODk2nCZdNcbjNXMga9j6n9aWBn:MvflibAYK/rFdwNcFI9aW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4024 4164 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
4024	4164	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 4180 wrote to memory of 4164	4180	rundll32.exe	rundll32.exe
PID 4180 wrote to memory of 4164	4180	rundll32.exe	rundll32.exe
PID 4180 wrote to memory of 4164	4180	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7BYFRON\lua5.1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7BYFRON\lua5.1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 604
    3⤵
    - Program crash
    PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4164 -ip 4164
1⤵
PID:4116

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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