Malware Analysis Report

2025-06-16 06:19

Sample ID 240106-f1zwhsaff3
Target 9E7DE6D79CCC935FA7C1B629155CA2EF.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 9E7DE6D79CCC935FA7C1B629155CA2EF.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

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-06 05:21

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 05:21

Reported

2024-01-06 05:23

Platform

win7-20231129-en

Max time kernel

144s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.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\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe" C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.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\9E7DE6D79CCC935FA7C1B629155CA2EF.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)\TCP Service\tcpsv.exe C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe N/A
File opened for modification C:\Program Files (x86)\TCP Service\tcpsv.exe C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.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: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe

"C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6355.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp63C3.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.127.181.115:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.127.181.115:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.127.181.115:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
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 5.tcp.eu.ngrok.io udp
DE 3.67.161.133:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
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 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.127.181.115:15464 5.tcp.eu.ngrok.io tcp
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 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp
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 5.tcp.eu.ngrok.io udp
DE 3.67.62.142:15464 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:15464 5.tcp.eu.ngrok.io tcp

Files

memory/2948-0-0x0000000074070000-0x000000007461B000-memory.dmp

memory/2948-2-0x00000000021D0000-0x0000000002210000-memory.dmp

memory/2948-1-0x0000000074070000-0x000000007461B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp6355.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2948-10-0x0000000074070000-0x000000007461B000-memory.dmp

memory/2948-11-0x0000000074070000-0x000000007461B000-memory.dmp

memory/2948-12-0x00000000021D0000-0x0000000002210000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-06 05:21

Reported

2024-01-06 05:24

Platform

win10v2004-20231222-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A