Malware Analysis Report

2025-01-22 13:59

Sample ID 240305-p64akagb98
Target Crack Nursultan Client.exe
SHA256 66879712d25cecad35783be6c4e117bc9c01278ed7dd6d7b958b623e34d21908
Tags
evasion hacked njrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

evasion hacked njrat

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 12:57

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 12:57

Reported

2024-03-05 13:00

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

152s

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 86.93.192.18.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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 27.178.89.13.in-addr.arpa udp

Files

memory/1796-0-0x00000000751D0000-0x0000000075781000-memory.dmp

memory/1796-1-0x00000000751D0000-0x0000000075781000-memory.dmp

memory/1796-2-0x0000000001690000-0x00000000016A0000-memory.dmp

memory/1796-3-0x00000000751D0000-0x0000000075781000-memory.dmp

memory/1796-4-0x00000000751D0000-0x0000000075781000-memory.dmp

memory/1796-5-0x0000000001690000-0x00000000016A0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 12:57

Reported

2024-03-05 13:00

Platform

win7-20240221-en

Max time kernel

151s

Max time network

168s

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 18.156.13.209:17647 2.tcp.eu.ngrok.io tcp

Files

memory/2964-0-0x0000000074CE0000-0x000000007528B000-memory.dmp

memory/2964-1-0x0000000074CE0000-0x000000007528B000-memory.dmp

memory/2964-2-0x0000000000630000-0x0000000000670000-memory.dmp

memory/2964-3-0x0000000074CE0000-0x000000007528B000-memory.dmp

memory/2964-4-0x0000000074CE0000-0x000000007528B000-memory.dmp

memory/2964-5-0x0000000000630000-0x0000000000670000-memory.dmp