Malware Analysis Report

2025-04-13 23:42

Sample ID 230821-gv6bsada6t
Target bPbd.exe
SHA256 57ff04bbef6df7f5c65fdad2dd633ff532abde0f209b425fcf24c642c0ec899a
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

57ff04bbef6df7f5c65fdad2dd633ff532abde0f209b425fcf24c642c0ec899a

Threat Level: Known bad

The file bPbd.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

2023-08-21 06:08

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-21 06:08

Reported

2023-08-21 06:11

Platform

win7-20230712-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp

Files

memory/2444-54-0x00000000748C0000-0x0000000074E6B000-memory.dmp

memory/2444-56-0x00000000002E0000-0x0000000000320000-memory.dmp

memory/2444-55-0x00000000748C0000-0x0000000074E6B000-memory.dmp

memory/2444-57-0x00000000748C0000-0x0000000074E6B000-memory.dmp

memory/2444-58-0x00000000748C0000-0x0000000074E6B000-memory.dmp

memory/2444-59-0x00000000002E0000-0x0000000000320000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-21 06:08

Reported

2023-08-21 06:11

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

155s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 126.20.238.8.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp

Files

memory/3748-133-0x0000000075270000-0x0000000075821000-memory.dmp

memory/3748-134-0x0000000075270000-0x0000000075821000-memory.dmp

memory/3748-135-0x00000000015F0000-0x0000000001600000-memory.dmp

memory/3748-136-0x0000000075270000-0x0000000075821000-memory.dmp

memory/3748-137-0x0000000075270000-0x0000000075821000-memory.dmp

memory/3748-138-0x00000000015F0000-0x0000000001600000-memory.dmp