Malware Analysis Report

2025-04-13 23:42

Sample ID 230819-c4ne4shb71
Target 1ead7491653af26553b4ef5b98927b4f.exe
SHA256 3510b8077be532163ad76a93b6043e8490893df56123a36804c2dd856a8d385c
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

3510b8077be532163ad76a93b6043e8490893df56123a36804c2dd856a8d385c

Threat Level: Known bad

The file 1ead7491653af26553b4ef5b98927b4f.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

2023-08-19 02:37

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-19 02:37

Reported

2023-08-19 02:40

Platform

win7-20230712-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe

"C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 milla.publicvm.com udp
NL 91.109.178.9:5050 milla.publicvm.com tcp

Files

memory/1688-54-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/1688-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/1688-56-0x00000000004F0000-0x0000000000530000-memory.dmp

memory/1688-57-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/1688-58-0x0000000074AA0000-0x000000007504B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-19 02:37

Reported

2023-08-19 02:40

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe

"C:\Users\Admin\AppData\Local\Temp\1ead7491653af26553b4ef5b98927b4f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 milla.publicvm.com udp
NL 91.109.178.9:5050 milla.publicvm.com tcp
US 8.8.8.8:53 9.178.109.91.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4452-133-0x0000000075070000-0x0000000075621000-memory.dmp

memory/4452-134-0x0000000075070000-0x0000000075621000-memory.dmp

memory/4452-135-0x0000000001940000-0x0000000001950000-memory.dmp

memory/4452-136-0x0000000075070000-0x0000000075621000-memory.dmp

memory/4452-137-0x0000000075070000-0x0000000075621000-memory.dmp