Malware Analysis Report

2024-07-11 11:03

Sample ID 240530-q16zyaaf31
Target 555555555555555555555555555.exe
SHA256 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
Tags
1 njrat evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311

Threat Level: Known bad

The file 555555555555555555555555555.exe was found to be: Known bad.

Malicious Activity Summary

1 njrat evasion trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-30 13:44

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 13:44

Reported

2024-05-30 13:45

Platform

win10-20240404-en

Max time kernel

30s

Max time network

26s

Command Line

"C:\Users\Admin\AppData\Local\Temp\555555555555555555555555555.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\WindowsServices.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\555555555555555555555555555.exe

"C:\Users\Admin\AppData\Local\Temp\555555555555555555555555555.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 talkh.ddns.net udp
QA 78.101.50.181:4444 talkh.ddns.net tcp

Files

memory/4180-0-0x0000000073EA1000-0x0000000073EA2000-memory.dmp

memory/4180-1-0x0000000073EA0000-0x0000000074450000-memory.dmp

memory/4180-2-0x0000000073EA0000-0x0000000074450000-memory.dmp

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

MD5 fe6f894736afcbaaa70712986819dd63
SHA1 420b0ef62191359231cf5e07c24fa2774e8ae121
SHA256 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
SHA512 9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

memory/4180-9-0x0000000073EA0000-0x0000000074450000-memory.dmp

memory/5104-10-0x0000000073EA0000-0x0000000074450000-memory.dmp

memory/5104-12-0x0000000073EA0000-0x0000000074450000-memory.dmp

memory/5104-11-0x0000000073EA0000-0x0000000074450000-memory.dmp

memory/5104-13-0x0000000073EA0000-0x0000000074450000-memory.dmp