Malware Analysis Report

2024-11-30 19:05

Sample ID 240307-wrqjgshh85
Target b9574984729abfaa4a76c1a21a8c485c
SHA256 e640510fdf17bfbfdb60da29e9aaac63d3bf99af981145480ba1c98799f775db
Tags
agilenet njrat hacked evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

e640510fdf17bfbfdb60da29e9aaac63d3bf99af981145480ba1c98799f775db

Threat Level: Known bad

The file b9574984729abfaa4a76c1a21a8c485c was found to be: Known bad.

Malicious Activity Summary

agilenet njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Obfuscated with Agile.Net obfuscator

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-07 18:09

Signatures

Obfuscated with Agile.Net obfuscator

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-07 18:09

Reported

2024-03-07 18:16

Platform

win7-20240221-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Obfuscated with Agile.Net obfuscator

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\329d8a4cbf2381f319c18339a2cdf5ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." C:\Users\Admin\AppData\Local\Temp\Server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\329d8a4cbf2381f319c18339a2cdf5ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe

"C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 hvbhj.duckdns.org udp

Files

memory/2252-0-0x0000000001120000-0x0000000001248000-memory.dmp

memory/2252-1-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

memory/2252-2-0x000000001B020000-0x000000001B0A0000-memory.dmp

memory/2252-3-0x000000001B720000-0x000000001B83C000-memory.dmp

memory/2252-4-0x000000001B020000-0x000000001B0A0000-memory.dmp

memory/2252-5-0x000000001B020000-0x000000001B0A0000-memory.dmp

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

MD5 960f4b9d0d172be7a9e53957d3686eb5
SHA1 f1db4e9988d7839d45f0806b85b16424258e4049
SHA256 0342b2746e14bbb2d306b14fd007828ba1652b7a2fe5b6b7c1d247adf8a72ecc
SHA512 aebb5f9e110dde5340d03034802fb198c086473394e2ec8595e32fc60289d940d780256e9ecf5b512d4e09f763726bc6c11724997e8089277e668ec3e31edfef

memory/2252-12-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

memory/1976-13-0x00000000749B0000-0x0000000074F5B000-memory.dmp

memory/1976-14-0x00000000749B0000-0x0000000074F5B000-memory.dmp

memory/1976-15-0x0000000000A60000-0x0000000000AA0000-memory.dmp

memory/1976-16-0x00000000749B0000-0x0000000074F5B000-memory.dmp

memory/1976-17-0x00000000749B0000-0x0000000074F5B000-memory.dmp

memory/1976-18-0x0000000000A60000-0x0000000000AA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-07 18:09

Reported

2024-03-07 18:16

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Obfuscated with Agile.Net obfuscator

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\329d8a4cbf2381f319c18339a2cdf5ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." C:\Users\Admin\AppData\Local\Temp\Server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\329d8a4cbf2381f319c18339a2cdf5ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe

"C:\Users\Admin\AppData\Local\Temp\b9574984729abfaa4a76c1a21a8c485c.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 50.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 hvbhj.duckdns.org udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/1188-0-0x000001E1B0890000-0x000001E1B09B8000-memory.dmp

memory/1188-1-0x00007FFE841C0000-0x00007FFE84C81000-memory.dmp

memory/1188-2-0x000001E1CB010000-0x000001E1CB020000-memory.dmp

memory/1188-3-0x000001E1CBD50000-0x000001E1CBE6C000-memory.dmp

memory/1188-4-0x000001E1CB010000-0x000001E1CB020000-memory.dmp

memory/1188-5-0x000001E1CB010000-0x000001E1CB020000-memory.dmp

memory/1188-6-0x000001E1CB010000-0x000001E1CB020000-memory.dmp

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

MD5 960f4b9d0d172be7a9e53957d3686eb5
SHA1 f1db4e9988d7839d45f0806b85b16424258e4049
SHA256 0342b2746e14bbb2d306b14fd007828ba1652b7a2fe5b6b7c1d247adf8a72ecc
SHA512 aebb5f9e110dde5340d03034802fb198c086473394e2ec8595e32fc60289d940d780256e9ecf5b512d4e09f763726bc6c11724997e8089277e668ec3e31edfef

memory/1188-16-0x00007FFE841C0000-0x00007FFE84C81000-memory.dmp

memory/872-17-0x0000000075340000-0x00000000758F1000-memory.dmp

memory/872-18-0x0000000075340000-0x00000000758F1000-memory.dmp

memory/872-19-0x0000000001040000-0x0000000001050000-memory.dmp

memory/872-20-0x0000000075340000-0x00000000758F1000-memory.dmp

memory/872-21-0x0000000075340000-0x00000000758F1000-memory.dmp

memory/872-22-0x0000000001040000-0x0000000001050000-memory.dmp