Malware Analysis Report

2024-10-23 20:46

Sample ID 240528-rlr3xahg89
Target 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe
SHA256 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f
Tags
njrat evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f

Threat Level: Known bad

The file 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe was found to be: Known bad.

Malicious Activity Summary

njrat evasion trojan

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-28 14:17

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 14:17

Reported

2024-05-28 14:19

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe"

C:\Users\Admin\AppData\Roaming\server.exe

"C:\Users\Admin\AppData\Roaming\server.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
US 8.8.8.8:53 25.195.207.197.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 89.90.14.23.in-addr.arpa udp

Files

memory/912-0-0x0000000075332000-0x0000000075333000-memory.dmp

memory/912-1-0x0000000075330000-0x00000000758E1000-memory.dmp

memory/912-2-0x0000000075330000-0x00000000758E1000-memory.dmp

C:\Users\Admin\AppData\Roaming\server.exe

MD5 721ce91db1511b614eda698111dcd68c
SHA1 34a5ef03e4fe55a3afbd59b08f60c3625d9788bc
SHA256 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f
SHA512 72de4cbd417bd85a1bc78ed82656e985190644a34707377d7b1c473f2ead4d6f64599963f93b0ab224fdbb8000959555309d33080ecdedaea6d5140e8f758d44

memory/912-15-0x0000000075330000-0x00000000758E1000-memory.dmp

memory/388-16-0x0000000075330000-0x00000000758E1000-memory.dmp

memory/388-17-0x0000000075330000-0x00000000758E1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 14:17

Reported

2024-05-28 14:19

Platform

win7-20240508-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.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\Roaming\server.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe"

C:\Users\Admin\AppData\Roaming\server.exe

"C:\Users\Admin\AppData\Roaming\server.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp

Files

memory/3008-0-0x0000000074281000-0x0000000074282000-memory.dmp

memory/3008-1-0x0000000074280000-0x000000007482B000-memory.dmp

memory/3008-2-0x0000000074280000-0x000000007482B000-memory.dmp

\Users\Admin\AppData\Roaming\server.exe

MD5 721ce91db1511b614eda698111dcd68c
SHA1 34a5ef03e4fe55a3afbd59b08f60c3625d9788bc
SHA256 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f
SHA512 72de4cbd417bd85a1bc78ed82656e985190644a34707377d7b1c473f2ead4d6f64599963f93b0ab224fdbb8000959555309d33080ecdedaea6d5140e8f758d44

memory/3008-10-0x0000000074280000-0x000000007482B000-memory.dmp

memory/2428-11-0x0000000074280000-0x000000007482B000-memory.dmp

memory/2428-12-0x0000000074280000-0x000000007482B000-memory.dmp

memory/2428-13-0x0000000074280000-0x000000007482B000-memory.dmp