Malware Analysis Report

2025-06-16 06:21

Sample ID 231201-mzsjdahb89
Target 0x00070000000120b7-4.dat
SHA256 5a8277de5871436e5e2b605eb07a1c29def195d649725b985be59732c1e5236b
Tags
nanocore 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

5a8277de5871436e5e2b605eb07a1c29def195d649725b985be59732c1e5236b

Threat Level: Known bad

The file 0x00070000000120b7-4.dat was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

NanoCore

Nanocore family

Adds Run key to start application

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Drops file in Program Files directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-01 10:54

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-01 10:54

Reported

2023-12-01 10:57

Platform

win7-20231023-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.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 Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.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\0x00070000000120b7-4.exe N/A

Legitimate hosting services abused for malware hosting/C2

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A
File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe

"C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp

Files

memory/2968-0-0x0000000074290000-0x000000007483B000-memory.dmp

memory/2968-1-0x0000000074290000-0x000000007483B000-memory.dmp

memory/2968-2-0x00000000004C0000-0x0000000000500000-memory.dmp

memory/2968-5-0x0000000074290000-0x000000007483B000-memory.dmp

memory/2968-6-0x0000000074290000-0x000000007483B000-memory.dmp

memory/2968-7-0x00000000004C0000-0x0000000000500000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-01 10:54

Reported

2023-12-01 10:57

Platform

win10v2004-20231127-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.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\SMTP Service = "C:\\Program Files (x86)\\SMTP Service\\smtpsv.exe" C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.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\0x00070000000120b7-4.exe N/A

Legitimate hosting services abused for malware hosting/C2

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\SMTP Service\smtpsv.exe C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A
File opened for modification C:\Program Files (x86)\SMTP Service\smtpsv.exe C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe

"C:\Users\Admin\AppData\Local\Temp\0x00070000000120b7-4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 89.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 225.191.13.3.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 220.39.134.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 40.30.22.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 203.182.14.3.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 138.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 107.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 175.125.134.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 232.7.17.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:14849 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.39.220:14849 0.tcp.ngrok.io tcp

Files

memory/4672-0-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4672-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4672-2-0x0000000001620000-0x0000000001630000-memory.dmp

memory/4672-5-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4672-6-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4672-7-0x0000000001620000-0x0000000001630000-memory.dmp

memory/4672-8-0x0000000001620000-0x0000000001630000-memory.dmp