Malware Analysis Report

2025-01-22 14:01

Sample ID 240302-dvmb5ahd9v
Target tmp
SHA256 10e012b7d6d88eba23bc9ba0ae4ee9cb299a1f688fb8ccac9c1f03319e0a7575
Tags
hacked njrat evasion 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

10e012b7d6d88eba23bc9ba0ae4ee9cb299a1f688fb8ccac9c1f03319e0a7575

Threat Level: Known bad

The file tmp was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion trojan

Njrat family

njRAT/Bladabindi

Disables Task Manager via registry modification

Modifies Windows Firewall

Drops startup file

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Drops autorun.inf file

Drops file in System32 directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-02 03:19

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-02 03:19

Reported

2024-03-02 03:22

Platform

win7-20240221-en

Max time kernel

150s

Max time network

147s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Disables Task Manager via registry modification

evasion

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
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\Microsoft Corporation.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\Microsoft Corporation.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8176ddd3532710782091cb4edeb4cd62Windows Update.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\8176ddd3532710782091cb4edeb4cd62Windows Update.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.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\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops autorun.inf file

Description Indicator Process Target
File created C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\Windows\SysWOW64\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Program Files (x86)\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2172 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2172 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2172 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2172 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2992 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 2992 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 2992 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 2992 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 2992 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
PID 552 wrote to memory of 1960 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\StUpdate.exe

Processes

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall delete allowedprogram "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

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {BDF63E79-9063-457B-A699-D2F2CC917A2E} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

Network

Country Destination Domain Proto
DE 45.142.182.104:4568 tcp

Files

memory/2172-0-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2172-2-0x0000000002150000-0x0000000002190000-memory.dmp

memory/2172-1-0x0000000074000000-0x00000000745AB000-memory.dmp

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

MD5 701061274a68a71561cf2ec0a1332635
SHA1 f83da28647230602bb88461341a052bef651cbd5
SHA256 10e012b7d6d88eba23bc9ba0ae4ee9cb299a1f688fb8ccac9c1f03319e0a7575
SHA512 ed5fc6fe6b82fefeb943c1cb20fdac7e01d43784a3cbd4fe88f7ea5cebe014609585ee354b3382ed822969f8ba453b9fa8b197acd2f110a664e6ff65e1412d7f

memory/2172-14-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2992-15-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2992-16-0x00000000002D0000-0x0000000000310000-memory.dmp

memory/2992-17-0x0000000074000000-0x00000000745AB000-memory.dmp

C:\Users\Admin\AppData\Roaming\app

MD5 931db99e42055249760280846b3d667a
SHA1 9e0e0cea04560fcbf4ded54640a65a6987943672
SHA256 2a6b5dd5f6530a184eba6f0cced2c935751cf2c27fc3ab2e7124e76a249fdee6
SHA512 66471125ec18e0573e51decaf82bd7e1c792bad12ee0d98697a0870d1ddc670a6407912a648f44d5500ee543f37180ddf8825c86c8f990c2f8305620cf1ea6e0

memory/1636-57-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/1636-60-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2992-61-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2992-62-0x00000000002D0000-0x0000000000310000-memory.dmp

memory/2136-67-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/2136-70-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/1960-75-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/1960-78-0x0000000074000000-0x00000000745AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-02 03:19

Reported

2024-03-02 03:22

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

149s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Disables Task Manager via registry modification

evasion

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.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\Microsoft Corporation.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8176ddd3532710782091cb4edeb4cd62Windows Update.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\8176ddd3532710782091cb4edeb4cd62Windows Update.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops autorun.inf file

Description Indicator Process Target
File created C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File created F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\Windows\SysWOW64\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A
File opened for modification C:\Program Files (x86)\Explower.exe C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2312 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2312 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 2312 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Users\Admin\AppData\Local\Temp\server.exe
PID 3768 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\netsh.exe
PID 3768 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 3768 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe
PID 3768 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\server.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall delete allowedprogram "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

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

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

C:\Users\Admin\AppData\Local\Temp/StUpdate.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
DE 45.142.182.104:4568 tcp
US 8.8.8.8:53 104.182.142.45.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
GB 92.123.241.137:80 www.microsoft.com tcp
GB 92.123.241.137:80 www.microsoft.com tcp
US 8.8.8.8:53 137.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

memory/2312-0-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2312-1-0x0000000001260000-0x0000000001270000-memory.dmp

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

MD5 701061274a68a71561cf2ec0a1332635
SHA1 f83da28647230602bb88461341a052bef651cbd5
SHA256 10e012b7d6d88eba23bc9ba0ae4ee9cb299a1f688fb8ccac9c1f03319e0a7575
SHA512 ed5fc6fe6b82fefeb943c1cb20fdac7e01d43784a3cbd4fe88f7ea5cebe014609585ee354b3382ed822969f8ba453b9fa8b197acd2f110a664e6ff65e1412d7f

memory/2312-12-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3768-13-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3768-14-0x00000000018C0000-0x00000000018D0000-memory.dmp

memory/3768-15-0x00000000751F0000-0x00000000757A1000-memory.dmp

C:\Users\Admin\AppData\Roaming\app

MD5 931db99e42055249760280846b3d667a
SHA1 9e0e0cea04560fcbf4ded54640a65a6987943672
SHA256 2a6b5dd5f6530a184eba6f0cced2c935751cf2c27fc3ab2e7124e76a249fdee6
SHA512 66471125ec18e0573e51decaf82bd7e1c792bad12ee0d98697a0870d1ddc670a6407912a648f44d5500ee543f37180ddf8825c86c8f990c2f8305620cf1ea6e0

memory/2844-52-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2844-53-0x00000000012B0000-0x00000000012C0000-memory.dmp

memory/2844-57-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3768-58-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3768-59-0x00000000751F0000-0x00000000757A1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\StUpdate.exe.log

MD5 661cab77d3b907e8057f2e689e995af3
SHA1 5d1a0ee9c5ee7a7a90d56d00c10dc0e679bee01c
SHA256 8f27f95ad7c09f2e05d7960e78ef8cd935c1262e9657883a75d70dcb877592d2
SHA512 2523b316bd79fed0e9b3d73f46959f3dfe270cf950f34bd9d49fe4113a2ae46d0cd00224d848bc40c0d8c55449e2dccc4b4278ba4809c0ca9ede1ac75673fc67

memory/3108-62-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3108-63-0x00000000014A0000-0x00000000014B0000-memory.dmp

memory/3108-66-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3652-68-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3652-69-0x0000000001820000-0x0000000001830000-memory.dmp

memory/3652-70-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/3652-73-0x00000000751F0000-0x00000000757A1000-memory.dmp