96349b4ca999a16f0e3b2159c41d25685e3dca999322b3a29b25369a24f63ed1

Analysis

max time kernel
150s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
23-03-2023 18:19

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General

Target

scripts/demo.lua
Size

429B
MD5

a0cdff1f4eaf5af121513b9885295341
SHA1

e40fc44c5b82a8c02e7248c8b104c0f8abdc4f97
SHA256

f2b354df9b4d661f6227132c39937b8f706626886cdcf65540ebc5b78f55f6ea
SHA512

1bf19f211a11c6b88ca9583ff20c1c8ed3e14f8f7ff68622a37c5c151ef2473e41bfd2b503bcc99f6e6e3f79b6845678cecfd3e23406353f35883fbf9b2beecd

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.lua	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\lua_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1156 AcroRd32.exe
1156 AcroRd32.exe
1156 AcroRd32.exe

pid	process
1156	AcroRd32.exe
1156	AcroRd32.exe
1156	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1056 wrote to memory of 924	1056	cmd.exe	rundll32.exe
PID 1056 wrote to memory of 924	1056	cmd.exe	rundll32.exe
PID 1056 wrote to memory of 924	1056	cmd.exe	rundll32.exe
PID 924 wrote to memory of 1156	924	rundll32.exe	AcroRd32.exe
PID 924 wrote to memory of 1156	924	rundll32.exe	AcroRd32.exe
PID 924 wrote to memory of 1156	924	rundll32.exe	AcroRd32.exe
PID 924 wrote to memory of 1156	924	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scripts\demo.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\scripts\demo.lua
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:924

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\scripts\demo.lua"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1156

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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