Malware Analysis Report

2025-04-13 21:10

Sample ID 240128-g4n4vsdbd3
Target 7c5fefe93d62fc7ce29b236be8235197
SHA256 93e2ba272cce84fa13eac9b5f393e15a55c3719d59651c60bd3b8f27136fef59
Tags
nanocore evasion keylogger 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

93e2ba272cce84fa13eac9b5f393e15a55c3719d59651c60bd3b8f27136fef59

Threat Level: Known bad

The file 7c5fefe93d62fc7ce29b236be8235197 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Drops startup file

Checks whether UAC is enabled

AutoIT Executable

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-28 06:21

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-28 06:21

Reported

2024-01-28 06:24

Platform

win7-20231215-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdchange.lnk C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3000 set thread context of 2576 N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe

"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp

Files

memory/3000-3-0x0000000000940000-0x0000000000943000-memory.dmp

memory/2576-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2576-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2576-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2576-9-0x0000000073B90000-0x000000007413B000-memory.dmp

memory/2576-11-0x0000000000170000-0x00000000001B0000-memory.dmp

memory/2576-12-0x0000000073B90000-0x000000007413B000-memory.dmp

memory/2576-13-0x0000000000170000-0x00000000001B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-28 06:21

Reported

2024-01-28 06:24

Platform

win10v2004-20231222-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdchange.lnk C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2772 set thread context of 2468 N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe

"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp
US 8.8.8.8:53 megida.hopto.org udp

Files

memory/2772-3-0x0000000000C90000-0x0000000000C93000-memory.dmp

memory/2468-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2468-5-0x0000000073280000-0x0000000073831000-memory.dmp

memory/2468-6-0x0000000001280000-0x0000000001290000-memory.dmp

memory/2468-7-0x0000000073280000-0x0000000073831000-memory.dmp

memory/2468-9-0x0000000073280000-0x0000000073831000-memory.dmp

memory/2468-10-0x0000000001280000-0x0000000001290000-memory.dmp

memory/2468-11-0x0000000073280000-0x0000000073831000-memory.dmp