Malware Analysis Report

2025-03-15 06:25

Sample ID 240129-t415msebh2
Target 8053e8d64be8f8296c3dbd269c0aba41
SHA256 8667fa7a0ac2e78989cc8e886ad752cc26cf6da40ecb951a102cce3577656894
Tags
hacked njrat 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

8667fa7a0ac2e78989cc8e886ad752cc26cf6da40ecb951a102cce3577656894

Threat Level: Known bad

The file 8053e8d64be8f8296c3dbd269c0aba41 was found to be: Known bad.

Malicious Activity Summary

hacked njrat persistence trojan

Njrat family

njRAT/Bladabindi

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Drops startup file

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Views/modifies file attributes

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-29 16:37

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-29 16:37

Reported

2024-01-29 16:40

Platform

win7-20231215-en

Max time kernel

151s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.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\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe

"C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe"

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

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

C:\Windows\SysWOW64\attrib.exe

attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"

Network

Country Destination Domain Proto
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp

Files

memory/1744-0-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/1744-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/1744-2-0x00000000009B0000-0x00000000009F0000-memory.dmp

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

MD5 8053e8d64be8f8296c3dbd269c0aba41
SHA1 f7063edbe53d30fef2b228b3fe15a243cd39e358
SHA256 8667fa7a0ac2e78989cc8e886ad752cc26cf6da40ecb951a102cce3577656894
SHA512 bae7676616dcd55db5a032ce93d6b7a809994454e25b0de0d854ef4685b3e540799bdfefc9c93175d90fcd89ae52530cb85b9d9b0ebf609f1b309b06ef4f05aa

memory/1744-13-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/2788-12-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/2788-14-0x00000000020D0000-0x0000000002110000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

MD5 fbf039c19c02830449a1afec2f2568f2
SHA1 9198bdc1b1c68ea22ce29af4451652de3e65cd96
SHA256 a13735f1e28ca9e90cdfcdaec607a120709da4fd3d7046b735183497afe7f9aa
SHA512 49177c0b47485a2e298af5b27b5bbf959efb2c3fb129199a02d444d46032a7d6ed95c870e258b3ce74a5c1b7f4850f3599b743448161c82790b33a854ea281eb

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

MD5 c61ccabb3a0b48a089d12a0a88404143
SHA1 8a88d237abba5dbc93c0738689e5bf2e0cc4b966
SHA256 83c2d5717ed7cf29257240f307973e91ce1f4c4e9d43ecec564ca639b33037b3
SHA512 573ef6d2a5272c450a1c0abff1f6c22e9cc93c9f6782a215831a8dbec0404112d50c17f0f3f0796f04cdc0a9d460aae4a4751dbe0b4fe2a429794cce287db86c

memory/2788-20-0x0000000074CC0000-0x000000007526B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-29 16:37

Reported

2024-01-29 16:40

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" C:\Users\Admin\AppData\Local\Temp\Payload.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\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe

"C:\Users\Admin\AppData\Local\Temp\8053e8d64be8f8296c3dbd269c0aba41.exe"

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

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

C:\Windows\SysWOW64\attrib.exe

attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 185.195.232.248:54977 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
GB 185.195.232.248:54977 tcp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
GB 185.195.232.248:54977 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
GB 185.195.232.248:54977 tcp
US 8.8.8.8:53 192.178.17.96.in-addr.arpa udp
GB 185.195.232.248:54977 tcp
GB 185.195.232.248:54977 tcp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/4196-0-0x0000000075100000-0x00000000756B1000-memory.dmp

memory/4196-1-0x0000000075100000-0x00000000756B1000-memory.dmp

memory/4196-2-0x0000000001010000-0x0000000001020000-memory.dmp

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

MD5 8053e8d64be8f8296c3dbd269c0aba41
SHA1 f7063edbe53d30fef2b228b3fe15a243cd39e358
SHA256 8667fa7a0ac2e78989cc8e886ad752cc26cf6da40ecb951a102cce3577656894
SHA512 bae7676616dcd55db5a032ce93d6b7a809994454e25b0de0d854ef4685b3e540799bdfefc9c93175d90fcd89ae52530cb85b9d9b0ebf609f1b309b06ef4f05aa

memory/4196-14-0x0000000075100000-0x00000000756B1000-memory.dmp

memory/2732-15-0x0000000075100000-0x00000000756B1000-memory.dmp

memory/2732-16-0x0000000001110000-0x0000000001120000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

MD5 ef5de89745489e1d1d8fdbefee59ab87
SHA1 5f6fdae569dd8ab57e703f12f81051034633a13d
SHA256 3a585bd5bf826a57c7f7670a4e67c00292697c76e71519c82f635677d873107d
SHA512 8f0420bd236e755dae841dd24d43084f1a2fb3c40905a5e2e9b1212ae8ca4becbac372a4298b593b425395ae3c29783d81ba79b4dc9060a193d94f58dc52fd77

memory/2732-17-0x0000000075100000-0x00000000756B1000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

MD5 c23badd8bcea7f1be664a6621e377ed0
SHA1 83101bf6c4c3abb47decbb05cd9f4ddb2540778d
SHA256 0f5f68a4cbe2c0f15ba959fd58813c76fc343eda5bad5831b7a8bb476d62c00c
SHA512 a72de230a6c77a4fc2e8f46e07ad893ce9e562d49d8b7d784c1bcdf19953a021ef8c8c334a59cec2725f88a5914aba47378850dc4d1bc6605b7825372ffc2205

memory/2732-23-0x0000000075100000-0x00000000756B1000-memory.dmp

memory/2732-24-0x0000000001110000-0x0000000001120000-memory.dmp