Malware Analysis Report

2025-04-13 23:43

Sample ID 230819-c4yabafg37
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 02:38

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 02:38

Reported

2023-08-19 02:41

Platform

win7-20230712-en

Max time kernel

150s

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/2180-54-0x0000000074760000-0x0000000074D0B000-memory.dmp

memory/2180-56-0x0000000000D20000-0x0000000000D60000-memory.dmp

memory/2180-55-0x0000000074760000-0x0000000074D0B000-memory.dmp

memory/2180-57-0x0000000074760000-0x0000000074D0B000-memory.dmp

memory/2180-58-0x0000000074760000-0x0000000074D0B000-memory.dmp

memory/2180-59-0x0000000000D20000-0x0000000000D60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-19 02:38

Reported

2023-08-19 02:41

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

153s

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 59.128.231.4.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 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 63.141.182.52.in-addr.arpa udp

Files

memory/3228-133-0x00000000750B0000-0x0000000075661000-memory.dmp

memory/3228-134-0x00000000750B0000-0x0000000075661000-memory.dmp

memory/3228-135-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/3228-136-0x00000000750B0000-0x0000000075661000-memory.dmp

memory/3228-137-0x00000000750B0000-0x0000000075661000-memory.dmp

memory/3228-138-0x00000000014E0000-0x00000000014F0000-memory.dmp