Malware Analysis Report

2025-03-15 06:22

Sample ID 241004-15r2paygrk
Target 83e901a978502b12b11688d1bf742ef5.exe
SHA256 d6b68928361ae07d5048c8b126efe974f22bf8b311de2d2faee50f18bd28ab9c
Tags
njrat hacked 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

d6b68928361ae07d5048c8b126efe974f22bf8b311de2d2faee50f18bd28ab9c

Threat Level: Known bad

The file 83e901a978502b12b11688d1bf742ef5.exe was found to be: Known bad.

Malicious Activity Summary

njrat hacked persistence trojan

njRAT/Bladabindi

Drops startup file

Adds Run key to start application

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-04 22:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-04 22:14

Reported

2024-10-04 22:16

Platform

win7-20240903-en

Max time kernel

149s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.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\Java update.exe C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\83e901a978502b12b11688d1bf742ef5.exe\" .." C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\83e901a978502b12b11688d1bf742ef5.exe\" .." C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe

"C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 encrypted7745.hopto.org udp
PS 85.113.101.120:1177 encrypted7745.hopto.org tcp

Files

memory/1636-0-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

memory/1636-1-0x0000000001020000-0x00000000010CA000-memory.dmp

memory/1636-2-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

memory/1636-3-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

memory/1636-4-0x0000000000720000-0x0000000000732000-memory.dmp

memory/1636-6-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

memory/1636-7-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

memory/1636-8-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-04 22:14

Reported

2024-10-04 22:16

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.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\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\83e901a978502b12b11688d1bf742ef5.exe\" .." C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\83e901a978502b12b11688d1bf742ef5.exe\" .." C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe

"C:\Users\Admin\AppData\Local\Temp\83e901a978502b12b11688d1bf742ef5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 encrypted7745.hopto.org udp
PS 85.113.101.120:1177 encrypted7745.hopto.org tcp
US 8.8.8.8:53 120.101.113.85.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2124-0-0x00007FFC43DE3000-0x00007FFC43DE5000-memory.dmp

memory/2124-1-0x00000000003B0000-0x000000000045A000-memory.dmp

memory/2124-2-0x00007FFC43DE0000-0x00007FFC448A1000-memory.dmp

memory/2124-4-0x00007FFC43DE0000-0x00007FFC448A1000-memory.dmp

memory/2124-3-0x0000000000C30000-0x0000000000C42000-memory.dmp

memory/2124-6-0x00007FFC43DE3000-0x00007FFC43DE5000-memory.dmp

memory/2124-7-0x00007FFC43DE0000-0x00007FFC448A1000-memory.dmp

memory/2124-8-0x00007FFC43DE0000-0x00007FFC448A1000-memory.dmp