Malware Analysis Report

2025-01-22 13:54

Sample ID 240305-dbkn7acf21
Target db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.exe
SHA256 db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356
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: 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

db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356

Threat Level: Known bad

The file db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.exe was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-05 02:50

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 02:50

Reported

2024-03-05 02:52

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f137f44344434ce16249d5d6a380e154.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f137f44344434ce16249d5d6a380e154.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f137f44344434ce16249d5d6a380e154 = "\"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\f137f44344434ce16249d5d6a380e154 = "\"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\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.exe

"C:\Users\Admin\AppData\Local\Temp\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 electric-guest.gl.at.ply.gg udp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa 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 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp

Files

memory/960-0-0x0000000075180000-0x0000000075731000-memory.dmp

memory/960-1-0x0000000075180000-0x0000000075731000-memory.dmp

memory/960-2-0x0000000000B20000-0x0000000000B30000-memory.dmp

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

MD5 0ce053cc9d92096131772f181234b484
SHA1 e9d1827076d4fa4dbc25de3d69487a37f01b13f5
SHA256 db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356
SHA512 241f5eff6ede94aab10acca79837cc46c5963b881d581a6a6ccf9c1b32c89342109187e46e526bd20ba17297430c12971e406db7951765c38d3f0e3c712cb2e9

memory/4688-13-0x0000000075180000-0x0000000075731000-memory.dmp

memory/960-12-0x0000000075180000-0x0000000075731000-memory.dmp

memory/4688-14-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

memory/4688-15-0x0000000075180000-0x0000000075731000-memory.dmp

memory/4688-17-0x0000000075180000-0x0000000075731000-memory.dmp

memory/4688-18-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 02:50

Reported

2024-03-05 02:52

Platform

win7-20240221-en

Max time kernel

149s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f137f44344434ce16249d5d6a380e154.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f137f44344434ce16249d5d6a380e154.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\f137f44344434ce16249d5d6a380e154 = "\"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\f137f44344434ce16249d5d6a380e154 = "\"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\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.exe

"C:\Users\Admin\AppData\Local\Temp\db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356.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 electric-guest.gl.at.ply.gg udp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp
US 147.185.221.16:30641 electric-guest.gl.at.ply.gg tcp

Files

memory/2100-1-0x0000000000940000-0x0000000000980000-memory.dmp

memory/2100-0-0x0000000074100000-0x00000000746AB000-memory.dmp

memory/2100-2-0x0000000074100000-0x00000000746AB000-memory.dmp

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

MD5 0ce053cc9d92096131772f181234b484
SHA1 e9d1827076d4fa4dbc25de3d69487a37f01b13f5
SHA256 db2d6aba09d4cf989368749a1caa77e4cdcf097dba60cfe618ae875a06415356
SHA512 241f5eff6ede94aab10acca79837cc46c5963b881d581a6a6ccf9c1b32c89342109187e46e526bd20ba17297430c12971e406db7951765c38d3f0e3c712cb2e9

memory/2964-11-0x0000000074100000-0x00000000746AB000-memory.dmp

memory/2964-12-0x00000000002E0000-0x0000000000320000-memory.dmp

memory/2100-10-0x0000000074100000-0x00000000746AB000-memory.dmp

memory/2964-14-0x0000000074100000-0x00000000746AB000-memory.dmp

memory/2964-15-0x00000000002E0000-0x0000000000320000-memory.dmp