Malware Analysis Report

2025-03-15 06:23

Sample ID 241001-rgl14atbkm
Target e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N
SHA256 e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94
Tags
hacked njrat discovery evasion persistence privilege_escalation 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

e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94

Threat Level: Known bad

The file e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-01 14:09

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-01 14:09

Reported

2024-10-01 14:12

Platform

win7-20240903-en

Max time kernel

120s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\33f9e1d6fefce618b71a50ca08e3da67 = "\"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\33f9e1d6fefce618b71a50ca08e3da67 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

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

Processes

C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.exe

"C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.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
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp

Files

memory/984-0-0x0000000074851000-0x0000000074852000-memory.dmp

memory/984-1-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-2-0x0000000074850000-0x0000000074DFB000-memory.dmp

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

MD5 782674105b6f7395dbc4c086051be7e0
SHA1 351a805ccdcd69208b7ac08f2e0c5fc49b86cdd0
SHA256 e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94
SHA512 8c2768cbedf0a650437fdb5868720497556d0fd7c2dabec5231b50d2b03c823313c370a1c38774e17f72fbbec0d9f44e99ea95e157a8ab5604902bee20b9b05d

memory/984-10-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/2016-11-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/2016-12-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/2016-13-0x0000000074850000-0x0000000074DFB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-01 14:09

Reported

2024-10-01 14:12

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\33f9e1d6fefce618b71a50ca08e3da67 = "\"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\33f9e1d6fefce618b71a50ca08e3da67 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

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

Processes

C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.exe

"C:\Users\Admin\AppData\Local\Temp\e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94N.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
N/A 127.0.0.1:1978 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp
N/A 127.0.0.1:1978 tcp

Files

memory/3828-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

memory/3828-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/3828-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

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

MD5 782674105b6f7395dbc4c086051be7e0
SHA1 351a805ccdcd69208b7ac08f2e0c5fc49b86cdd0
SHA256 e228931cf49e7791c04db0dfa28ee0e76497ab44201bdbee5f6f575791f79e94
SHA512 8c2768cbedf0a650437fdb5868720497556d0fd7c2dabec5231b50d2b03c823313c370a1c38774e17f72fbbec0d9f44e99ea95e157a8ab5604902bee20b9b05d

memory/3828-13-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4912-14-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4912-15-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4912-12-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4912-16-0x00000000749D0000-0x0000000074F81000-memory.dmp