Malware Analysis Report

2024-10-19 07:05

Sample ID 240805-znvwksxhrl
Target free fud crypter.exe
SHA256 8b9f7a10b753f412b15ddf92cbc58e3b3ef6b8adcb10bd56c2596d284af3db57
Tags
nanocore discovery evasion keylogger persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8b9f7a10b753f412b15ddf92cbc58e3b3ef6b8adcb10bd56c2596d284af3db57

Threat Level: Known bad

The file free fud crypter.exe was found to be: Known bad.

Malicious Activity Summary

nanocore discovery evasion keylogger persistence spyware stealer trojan

NanoCore

Nanocore family

Adds Run key to start application

Checks whether UAC is enabled

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 20:52

Signatures

Nanocore family

nanocore

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-05 20:52

Reported

2024-08-05 20:53

Platform

win11-20240802-en

Max time kernel

30s

Max time network

29s

Command Line

"C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DDP Service\ddpsv.exe C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A
File opened for modification C:\Program Files (x86)\DDP Service\ddpsv.exe C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe

"C:\Users\Admin\AppData\Local\Temp\free fud crypter.exe"

Network

Country Destination Domain Proto
DE 62.143.14.73:54984 tcp
DE 62.143.14.73:54984 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3612-0-0x0000000074691000-0x0000000074692000-memory.dmp

memory/3612-1-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3612-2-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3612-4-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3612-6-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3612-7-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3612-8-0x0000000074690000-0x0000000074C41000-memory.dmp