Malware Analysis Report

2025-06-16 06:19

Sample ID 240106-mrbkwsfdh2
Target 9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe
SHA256 52bed4d9c0fdb81bdc4abfd46b47b8f8fa2dcdd570fcdc94f300f087c8b3aa65
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

52bed4d9c0fdb81bdc4abfd46b47b8f8fa2dcdd570fcdc94f300f087c8b3aa65

Threat Level: Known bad

The file 9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

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

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-06 10:41

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-06 10:41

Reported

2024-01-06 10:44

Platform

win7-20231129-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-06 10:41

Reported

2024-01-06 10:44

Platform

win10v2004-20231215-en

Max time kernel

161s

Max time network

174s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.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\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.exe" C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.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\9E7DE6D79CCC935FA7C1B629155CA2EFexe.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)\DHCP Service\dhcpsvc.exe C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe N/A
File opened for modification C:\Program Files (x86)\DHCP Service\dhcpsvc.exe C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe

"C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp78D0.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp96B9.tmp"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 18.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
DE 3.127.181.115:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 115.181.127.3.in-addr.arpa udp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.62.142:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 142.62.67.3.in-addr.arpa udp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.161.133:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 133.161.67.3.in-addr.arpa udp

Files

memory/2080-0-0x0000000074AE0000-0x0000000075091000-memory.dmp

memory/2080-1-0x0000000074AE0000-0x0000000075091000-memory.dmp

memory/2080-2-0x0000000000F00000-0x0000000000F10000-memory.dmp

memory/2080-3-0x0000000074AE0000-0x0000000075091000-memory.dmp

memory/2080-4-0x0000000074AE0000-0x0000000075091000-memory.dmp

memory/2080-5-0x0000000000F00000-0x0000000000F10000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp96B9.tmp

MD5 7f4b37265a0a4b0fea67999d11d911e8
SHA1 1b8e13e6a27c3768c30cf713b79eaa8a757e1349
SHA256 39b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b
SHA512 ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03

memory/2080-13-0x0000000000F00000-0x0000000000F10000-memory.dmp