d454d6568a4c075ed166d5eefc8680ff146a3f2141484d170de061f7e6c28fbb

Resubmissions

22-01-2023 01:14

230122-bl5q1aeg23 3

22-01-2023 01:11

230122-bkd7naef92 8

Analysis

max time kernel
127s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
22-01-2023 01:14

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General

Target

Super Mario 64 (USA).n64
Size

8.0MB
MD5

165a9558b7539507e73e7afecffb200c
SHA1

1002dd7b56aa0a59a9103f1fb3d57d6b161f8da7
SHA256

f3b0fc9f565f995368b6fa5aefc8ec1e5194c488948b41f3534dece4abcec2b4
SHA512

c85c207181238bf98b14db54e97a3c09df7e4e1841dc1f9050edcc6525e99e5ffa6fccddfd5911e7ea87ff0625cf9e61cb375a7638bc39820e4e4b55ff45b369
SSDEEP

196608:+j+nhu7LwRIs/Rk56N0968W1YE3BFnph8zAP:FnhEUms/65X96bmE3BFn8zAP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.n64	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.n64\ = "n64_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\n64_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

776 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

776 AcroRd32.exe
776 AcroRd32.exe
776 AcroRd32.exe

pid	process
776	AcroRd32.exe

pid	process
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2004 wrote to memory of 680	2004	cmd.exe	rundll32.exe
PID 2004 wrote to memory of 680	2004	cmd.exe	rundll32.exe
PID 2004 wrote to memory of 680	2004	cmd.exe	rundll32.exe
PID 680 wrote to memory of 776	680	rundll32.exe	AcroRd32.exe
PID 680 wrote to memory of 776	680	rundll32.exe	AcroRd32.exe
PID 680 wrote to memory of 776	680	rundll32.exe	AcroRd32.exe
PID 680 wrote to memory of 776	680	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Super Mario 64 (USA).n64"
1⤵
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Super Mario 64 (USA).n64
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:680

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\Super Mario 64 (USA).n64"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/680-76-0x0000000000000000-mapping.dmp

Download
memory/776-81-0x0000000000000000-mapping.dmp

Download
memory/776-82-0x0000000075151000-0x0000000075153000-memory.dmp

Filesize
8KB

Download
memory/2004-54-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

Filesize
8KB

Download