Malware Analysis Report

2025-04-13 23:41

Sample ID 230821-gvwgksda6s
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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: behavioral2

Detonation Overview

Submitted

2023-08-21 06:08

Reported

2023-08-21 06:10

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

154s

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

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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 126.20.238.8.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.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 8.8.8.8:53 157.123.68.40.in-addr.arpa 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 8.3.197.209.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 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp

Files

memory/4844-133-0x0000000075550000-0x0000000075B01000-memory.dmp

memory/4844-134-0x0000000075550000-0x0000000075B01000-memory.dmp

memory/4844-135-0x0000000001600000-0x0000000001610000-memory.dmp

memory/4844-136-0x0000000075550000-0x0000000075B01000-memory.dmp

memory/4844-137-0x0000000075550000-0x0000000075B01000-memory.dmp

memory/4844-138-0x0000000001600000-0x0000000001610000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-21 06:08

Reported

2023-08-21 06:10

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 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

Files

memory/2332-54-0x0000000074B40000-0x00000000750EB000-memory.dmp

memory/2332-55-0x0000000074B40000-0x00000000750EB000-memory.dmp

memory/2332-56-0x0000000000430000-0x0000000000470000-memory.dmp

memory/2332-57-0x0000000074B40000-0x00000000750EB000-memory.dmp

memory/2332-58-0x0000000074B40000-0x00000000750EB000-memory.dmp