Malware Analysis Report

2025-03-15 06:25

Sample ID 240126-an1pdsacc8
Target 75e5c506a2b0d241e27f360ec181eb6c
SHA256 33cfd9e43dcb58881a858aa12779b69a63fe45bfd80e355df9728e23ffce264b
Tags
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

33cfd9e43dcb58881a858aa12779b69a63fe45bfd80e355df9728e23ffce264b

Threat Level: Known bad

The file 75e5c506a2b0d241e27f360ec181eb6c was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-26 00:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-26 00:22

Reported

2024-01-26 00:24

Platform

win7-20231215-en

Max time kernel

150s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.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\Microsoft .exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .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\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe

"C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 fadlfreh.hopto.org udp

Files

memory/1656-1-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/1656-0-0x0000000000CC0000-0x0000000000CF4000-memory.dmp

memory/1656-2-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

memory/1656-4-0x0000000000430000-0x000000000043C000-memory.dmp

memory/1656-3-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

\Users\Admin\AppData\Local\Temp\Microsoft .exe

MD5 75e5c506a2b0d241e27f360ec181eb6c
SHA1 ba601a2538bb11f6cc80f18e7028f7e01b78a0a2
SHA256 33cfd9e43dcb58881a858aa12779b69a63fe45bfd80e355df9728e23ffce264b
SHA512 c31429b096762173c92409fc25bb7c18e7ddfd98a55afadd2ab596865563e2705a48982c3d546ebe1d97858509cdd761dc232dc3fa0981d270e4ae2320401e03

memory/1656-13-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/2860-14-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/2860-12-0x00000000012D0000-0x0000000001304000-memory.dmp

memory/2860-15-0x0000000004E40000-0x0000000004E80000-memory.dmp

memory/2860-16-0x0000000004E40000-0x0000000004E80000-memory.dmp

memory/2860-17-0x0000000074340000-0x0000000074A2E000-memory.dmp

memory/2860-18-0x0000000004E40000-0x0000000004E80000-memory.dmp

memory/2860-19-0x0000000004E40000-0x0000000004E80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-26 00:22

Reported

2024-01-26 00:24

Platform

win10v2004-20231222-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .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\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe

"C:\Users\Admin\AppData\Local\Temp\75e5c506a2b0d241e27f360ec181eb6c.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp

Files

memory/4996-0-0x0000000000580000-0x00000000005B4000-memory.dmp

memory/4996-1-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/4996-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

memory/4996-3-0x0000000005020000-0x00000000050B2000-memory.dmp

memory/4996-4-0x00000000050C0000-0x000000000515C000-memory.dmp

memory/4996-5-0x0000000005290000-0x00000000052A0000-memory.dmp

memory/4996-6-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

memory/4996-7-0x0000000007A50000-0x0000000007A5C000-memory.dmp

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

MD5 75e5c506a2b0d241e27f360ec181eb6c
SHA1 ba601a2538bb11f6cc80f18e7028f7e01b78a0a2
SHA256 33cfd9e43dcb58881a858aa12779b69a63fe45bfd80e355df9728e23ffce264b
SHA512 c31429b096762173c92409fc25bb7c18e7ddfd98a55afadd2ab596865563e2705a48982c3d546ebe1d97858509cdd761dc232dc3fa0981d270e4ae2320401e03

memory/4996-20-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1512-21-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1512-22-0x0000000004F10000-0x0000000004F20000-memory.dmp

memory/1512-23-0x00000000743C0000-0x0000000074B70000-memory.dmp

memory/1512-24-0x0000000004F10000-0x0000000004F20000-memory.dmp