Malware Analysis Report

2024-10-23 19:39

Sample ID 240811-16atss1dql
Target 8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118
SHA256 aa54381545a2e23e467f23f2074f90c3d669640eb2a1049e5d47f1b9af31845b
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

aa54381545a2e23e467f23f2074f90c3d669640eb2a1049e5d47f1b9af31845b

Threat Level: Known bad

The file 8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore discovery evasion keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

Adds Run key to start application

Checks whether UAC is enabled

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 22:15

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 22:15

Reported

2024-08-11 22:17

Platform

win7-20240705-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\UDP Monitor = "C:\\Program Files (x86)\\UDP Monitor\\udpmon.exe" C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\UDP Monitor\udpmon.exe C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\UDP Monitor\udpmon.exe C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp

Files

memory/1908-0-0x0000000074C51000-0x0000000074C52000-memory.dmp

memory/1908-1-0x0000000074C50000-0x00000000751FB000-memory.dmp

memory/1908-2-0x0000000074C50000-0x00000000751FB000-memory.dmp

memory/1908-5-0x0000000074C50000-0x00000000751FB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 22:15

Reported

2024-08-11 22:17

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.exe" C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\DPI Service\dpisv.exe C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A
File created C:\Program Files (x86)\DPI Service\dpisv.exe C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.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\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8c2fe908ff9c5bb26effeef4aa049576_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
US 8.8.4.4:53 kurcinasmrdljiva.ddns.net udp
US 8.8.8.8:53 kurcinasmrdljiva.ddns.net udp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp
N/A 127.0.0.1:6006 tcp

Files

memory/1508-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

memory/1508-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1508-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1508-5-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1508-6-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

memory/1508-7-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1508-8-0x0000000074CD0000-0x0000000075281000-memory.dmp