Malware Analysis Report

2025-04-13 23:42

Sample ID 230815-tgyq1adf5z
Target d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe
SHA256 d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954
Tags
nyan cat njrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954

Threat Level: Known bad

The file d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe was found to be: Known bad.

Malicious Activity Summary

nyan cat njrat

Njrat family

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-15 16:02

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-15 16:02

Reported

2023-08-15 16:05

Platform

win7-20230712-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe

"C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp

Files

memory/1784-54-0x0000000074DB0000-0x000000007535B000-memory.dmp

memory/1784-55-0x0000000074DB0000-0x000000007535B000-memory.dmp

memory/1784-56-0x00000000009B0000-0x00000000009F0000-memory.dmp

memory/1784-57-0x0000000074DB0000-0x000000007535B000-memory.dmp

memory/1784-58-0x0000000074DB0000-0x000000007535B000-memory.dmp

memory/1784-59-0x00000000009B0000-0x00000000009F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-15 16:02

Reported

2023-08-15 16:05

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe

"C:\Users\Admin\AppData\Local\Temp\d6ad84287643e005e6a53037fbddd106b224524ad2b6157eee6445942cb6a954_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 254.136.241.8.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.14.22:1994 fortuna777.duckdns.org tcp

Files

memory/2684-133-0x0000000075310000-0x00000000758C1000-memory.dmp

memory/2684-134-0x0000000075310000-0x00000000758C1000-memory.dmp

memory/2684-135-0x0000000001320000-0x0000000001330000-memory.dmp

memory/2684-136-0x0000000075310000-0x00000000758C1000-memory.dmp

memory/2684-137-0x0000000075310000-0x00000000758C1000-memory.dmp