Malware Analysis Report

2025-01-22 14:01

Sample ID 240305-p469fafb9s
Target Crack Nursultan Client.exe
SHA256 66879712d25cecad35783be6c4e117bc9c01278ed7dd6d7b958b623e34d21908
Tags
hacked njrat evasion
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

66879712d25cecad35783be6c4e117bc9c01278ed7dd6d7b958b623e34d21908

Threat Level: Known bad

The file Crack Nursultan Client.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion

Njrat family

Modifies Windows Firewall

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-05 12:54

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 12:54

Reported

2024-03-05 12:56

Platform

win7-20240221-en

Max time kernel

143s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 2.tcp.eu.ngrok.io N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe

"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe" "Crack Nursultan Client.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 3.127.138.57:17647 2.tcp.eu.ngrok.io tcp
DE 3.127.138.57:17647 2.tcp.eu.ngrok.io tcp

Files

memory/2320-0-0x0000000074270000-0x000000007481B000-memory.dmp

memory/2320-2-0x0000000000110000-0x0000000000150000-memory.dmp

memory/2320-1-0x0000000074270000-0x000000007481B000-memory.dmp

memory/2320-3-0x0000000074270000-0x000000007481B000-memory.dmp

memory/2320-4-0x0000000074270000-0x000000007481B000-memory.dmp

memory/2320-5-0x0000000000110000-0x0000000000150000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 12:54

Reported

2024-03-05 12:56

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 2.tcp.eu.ngrok.io N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe

"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe" "Crack Nursultan Client.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.192.93.86:17647 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 86.93.192.18.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 195.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa 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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 203.33.253.131.in-addr.arpa udp
GB 96.17.178.209:80 tcp

Files

memory/2104-0-0x0000000074A40000-0x0000000074FF1000-memory.dmp

memory/2104-1-0x0000000000C00000-0x0000000000C10000-memory.dmp

memory/2104-2-0x0000000074A40000-0x0000000074FF1000-memory.dmp

memory/2104-3-0x0000000074A40000-0x0000000074FF1000-memory.dmp

memory/2104-4-0x0000000074A40000-0x0000000074FF1000-memory.dmp