Malware Analysis Report

2025-01-22 14:03

Sample ID 240224-rdpyksdg99
Target a208e9a7c0f0482b0aafaa70d06a53ed
SHA256 e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c
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: 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

e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c

Threat Level: Known bad

The file a208e9a7c0f0482b0aafaa70d06a53ed was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Drops startup file

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-24 14:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-24 14:04

Reported

2024-02-24 14:07

Platform

win7-20240221-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.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\26460d60a3b5b91b213d3bf18b1a3c93.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26460d60a3b5b91b213d3bf18b1a3c93.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\26460d60a3b5b91b213d3bf18b1a3c93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\googleupdate.exe\" .." C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\26460d60a3b5b91b213d3bf18b1a3c93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\googleupdate.exe\" .." C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 1740 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe
PID 2328 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe C:\Windows\SysWOW64\netsh.exe
PID 2328 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe C:\Windows\SysWOW64\netsh.exe
PID 2328 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe C:\Windows\SysWOW64\netsh.exe
PID 2328 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe

"C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe"

C:\Users\Admin\AppData\Roaming\googleupdate.exe

"C:\Users\Admin\AppData\Roaming\googleupdate.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\googleupdate.exe" "googleupdate.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 sniperghost.no-ip.biz udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 sniperghost.no-ip.biz udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp

Files

memory/1740-0-0x0000000000840000-0x00000000008DC000-memory.dmp

memory/1740-1-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/1740-2-0x0000000000480000-0x000000000048C000-memory.dmp

\Users\Admin\AppData\Roaming\googleupdate.exe

MD5 a208e9a7c0f0482b0aafaa70d06a53ed
SHA1 8b77c0ddfa1fe0cc04f42feca7f0d9680d6e2056
SHA256 e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c
SHA512 21a6cbe57a68eea16ba8bfa17ac27ae362d9b5eaee93a008688f778cea08daf536daeab9be2e365ce6fe7fc17d1fa9906ceda33ff71a686711043435f9a3dd3e

memory/2328-11-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2328-10-0x0000000000EE0000-0x0000000000F7C000-memory.dmp

memory/1740-12-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2328-14-0x0000000000B10000-0x0000000000B50000-memory.dmp

memory/2328-15-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2328-16-0x0000000000B10000-0x0000000000B50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-24 14:04

Reported

2024-02-24 14:07

Platform

win10v2004-20240221-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.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-1-5-21-2200714112-3788720386-2559682836-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26460d60a3b5b91b213d3bf18b1a3c93.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26460d60a3b5b91b213d3bf18b1a3c93.exe C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26460d60a3b5b91b213d3bf18b1a3c93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\googleupdate.exe\" .." C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\26460d60a3b5b91b213d3bf18b1a3c93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\googleupdate.exe\" .." C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\googleupdate.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe

"C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe"

C:\Users\Admin\AppData\Roaming\googleupdate.exe

"C:\Users\Admin\AppData\Roaming\googleupdate.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\googleupdate.exe" "googleupdate.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.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 sniperghost.no-ip.biz udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 sniperghost.no-ip.biz udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
DZ 154.241.148.157:1177 sniperghost.no-ip.biz tcp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/4788-1-0x0000000000C00000-0x0000000000C9C000-memory.dmp

memory/4788-0-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/4788-2-0x0000000005630000-0x00000000056CC000-memory.dmp

memory/4788-3-0x0000000005590000-0x000000000559C000-memory.dmp

memory/4788-4-0x0000000005C80000-0x0000000006224000-memory.dmp

C:\Users\Admin\AppData\Roaming\googleupdate.exe

MD5 a208e9a7c0f0482b0aafaa70d06a53ed
SHA1 8b77c0ddfa1fe0cc04f42feca7f0d9680d6e2056
SHA256 e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c
SHA512 21a6cbe57a68eea16ba8bfa17ac27ae362d9b5eaee93a008688f778cea08daf536daeab9be2e365ce6fe7fc17d1fa9906ceda33ff71a686711043435f9a3dd3e

memory/1652-17-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/4788-18-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/1652-21-0x0000000004D40000-0x0000000004DD2000-memory.dmp

memory/1652-20-0x0000000004C90000-0x0000000004CA0000-memory.dmp

memory/1652-22-0x0000000004D00000-0x0000000004D0A000-memory.dmp

memory/1652-23-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/1652-24-0x0000000004C90000-0x0000000004CA0000-memory.dmp