52c6bd1d800582309ae4fbdd99a1d45c86e04f7cd482887d947eb6a5a7a01b22

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
04-04-2023 09:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NSM.lic
Size

258B
MD5

1b41e64c60ca9dfadeb063cd822ab089
SHA1

abfcd51bb120a7eae5bbd9a99624e4abe0c9139d
SHA256

f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d
SHA512

c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.lic	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.lic\ = "lic_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\lic_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1988 AcroRd32.exe
1988 AcroRd32.exe
1988 AcroRd32.exe

pid	process
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1332 wrote to memory of 572	1332	cmd.exe	rundll32.exe
PID 1332 wrote to memory of 572	1332	cmd.exe	rundll32.exe
PID 1332 wrote to memory of 572	1332	cmd.exe	rundll32.exe
PID 572 wrote to memory of 1988	572	rundll32.exe	AcroRd32.exe
PID 572 wrote to memory of 1988	572	rundll32.exe	AcroRd32.exe
PID 572 wrote to memory of 1988	572	rundll32.exe	AcroRd32.exe
PID 572 wrote to memory of 1988	572	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NSM.lic
1⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NSM.lic
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:572

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\NSM.lic"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1988

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

Replay Monitor

Loading Replay Monitor...

Downloads