Malware Analysis Report

2024-10-19 08:12

Sample ID 240217-e6d1kabe22
Target 73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe
SHA256 73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d
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

73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d

Threat Level: Known bad

The file 73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.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

2024-02-17 04:32

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-17 04:32

Reported

2024-02-17 04:35

Platform

win7-20231129-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe

"C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp

Files

memory/2032-0-0x0000000074970000-0x0000000074F1B000-memory.dmp

memory/2032-1-0x0000000074970000-0x0000000074F1B000-memory.dmp

memory/2032-2-0x0000000000250000-0x0000000000290000-memory.dmp

memory/2032-3-0x0000000074970000-0x0000000074F1B000-memory.dmp

memory/2032-4-0x0000000074970000-0x0000000074F1B000-memory.dmp

memory/2032-5-0x0000000000250000-0x0000000000290000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-17 04:32

Reported

2024-02-17 04:35

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe

"C:\Users\Admin\AppData\Local\Temp\73cb2cafa83f8eafefd85bd6bbed5d803f6457c1d622cb9617a8cdffc69ed14d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 rusia.duckdns.org udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
SE 46.246.80.3:2994 rusia.duckdns.org tcp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp
SE 46.246.80.3:2994 rusia.duckdns.org tcp

Files

memory/4496-0-0x0000000074D70000-0x0000000075321000-memory.dmp

memory/4496-2-0x0000000000FC0000-0x0000000000FD0000-memory.dmp

memory/4496-1-0x0000000074D70000-0x0000000075321000-memory.dmp

memory/4496-3-0x0000000074D70000-0x0000000075321000-memory.dmp

memory/4496-4-0x0000000074D70000-0x0000000075321000-memory.dmp

memory/4496-5-0x0000000000FC0000-0x0000000000FD0000-memory.dmp