Malware Analysis Report

2024-10-19 08:12

Sample ID 240215-t4ss9sbb91
Target 1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe
SHA256 358695c2f93cdcc4c0c0d8d6ddb62a03c4c2e6c5d38677d0d1a66de7cc6a744b
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

358695c2f93cdcc4c0c0d8d6ddb62a03c4c2e6c5d38677d0d1a66de7cc6a744b

Threat Level: Known bad

The file 1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.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

2024-02-15 16:37

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-15 16:37

Reported

2024-02-15 16:39

Platform

win7-20231215-en

Max time kernel

148s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 yuya0415.duckdns.org udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 yuya0415.duckdns.org udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp

Files

memory/2192-0-0x0000000074690000-0x0000000074C3B000-memory.dmp

memory/2192-1-0x0000000074690000-0x0000000074C3B000-memory.dmp

memory/2192-2-0x0000000001E80000-0x0000000001EC0000-memory.dmp

memory/2192-3-0x0000000074690000-0x0000000074C3B000-memory.dmp

memory/2192-4-0x0000000074690000-0x0000000074C3B000-memory.dmp

memory/2192-5-0x0000000001E80000-0x0000000001EC0000-memory.dmp

memory/2192-6-0x0000000001E80000-0x0000000001EC0000-memory.dmp

memory/2192-7-0x0000000001E80000-0x0000000001EC0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-15 16:37

Reported

2024-02-15 16:39

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\1708014999c49cd12117b8e253802541da89b37e96b842a1a8fd8ec2df77680f13331926ab871.dat-decoded.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.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 yuya0415.duckdns.org udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 yuya0415.duckdns.org udp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
SE 46.246.86.20:415 yuya0415.duckdns.org tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 20.86.246.46.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp

Files

memory/4432-0-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4432-1-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4432-2-0x0000000001700000-0x0000000001710000-memory.dmp

memory/4432-3-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4432-4-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4432-5-0x0000000001700000-0x0000000001710000-memory.dmp

memory/4432-6-0x0000000001700000-0x0000000001710000-memory.dmp