Malware Analysis Report

2025-03-15 06:28

Sample ID 240117-wz9bkacha3
Target 63495c938c53f7d9fa71024ac479045d
SHA256 20fde3ceeab30299f1ec9ffee1d9314de41d59b7faaf1c4b2e64a58f507b3518
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

20fde3ceeab30299f1ec9ffee1d9314de41d59b7faaf1c4b2e64a58f507b3518

Threat Level: Known bad

The file 63495c938c53f7d9fa71024ac479045d was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-17 18:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-17 18:22

Reported

2024-01-17 18:25

Platform

win7-20231215-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.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\Roaming\taskhost.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\a5a8981207e642f9c714e6e4bd25fa08 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe\" .." C:\Users\Admin\AppData\Roaming\taskhost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a5a8981207e642f9c714e6e4bd25fa08 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe\" .." C:\Users\Admin\AppData\Roaming\taskhost.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe

"C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 11aabb.ddns.net udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
US 8.8.8.8:53 11aabb.ddns.net udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp

Files

memory/828-0-0x0000000001300000-0x0000000001326000-memory.dmp

memory/828-1-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/828-2-0x00000000002E0000-0x0000000000312000-memory.dmp

memory/828-3-0x0000000000240000-0x0000000000246000-memory.dmp

memory/828-4-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

memory/828-5-0x0000000000970000-0x000000000097C000-memory.dmp

\Users\Admin\AppData\Roaming\taskhost.exe

MD5 63495c938c53f7d9fa71024ac479045d
SHA1 6f3c331b43d0cba0b859cb49274b11afc0f73398
SHA256 20fde3ceeab30299f1ec9ffee1d9314de41d59b7faaf1c4b2e64a58f507b3518
SHA512 0a9445fcd7ce75129601c171479e1e683fbfaf01b0d05fdcb36428f657aaecbfe81973ec8eb32e88469e782108cc1308a17d5f6cdc9111e40f53fe5cc349ac4d

memory/2776-13-0x0000000000290000-0x00000000002B6000-memory.dmp

memory/2776-15-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/828-14-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/2776-16-0x0000000004130000-0x0000000004170000-memory.dmp

memory/2776-17-0x0000000004130000-0x0000000004170000-memory.dmp

memory/2776-18-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/2776-19-0x0000000004130000-0x0000000004170000-memory.dmp

memory/2776-20-0x0000000004130000-0x0000000004170000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-17 18:22

Reported

2024-01-17 18:25

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a5a8981207e642f9c714e6e4bd25fa08 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe\" .." C:\Users\Admin\AppData\Roaming\taskhost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a5a8981207e642f9c714e6e4bd25fa08 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe\" .." C:\Users\Admin\AppData\Roaming\taskhost.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe

"C:\Users\Admin\AppData\Local\Temp\63495c938c53f7d9fa71024ac479045d.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 2.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 11aabb.ddns.net udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 149.2.73.23.in-addr.arpa udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
US 8.8.8.8:53 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
US 8.8.8.8:53 11aabb.ddns.net udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp
DZ 41.109.206.134:5552 11aabb.ddns.net tcp

Files

memory/4924-0-0x00000000005F0000-0x0000000000616000-memory.dmp

memory/4924-1-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/4924-2-0x0000000004F50000-0x0000000004F82000-memory.dmp

memory/4924-3-0x0000000007510000-0x00000000075AC000-memory.dmp

memory/4924-4-0x0000000007B60000-0x0000000008104000-memory.dmp

memory/4924-5-0x0000000007650000-0x00000000076E2000-memory.dmp

memory/4924-6-0x0000000002860000-0x0000000002866000-memory.dmp

memory/4924-7-0x0000000005180000-0x0000000005190000-memory.dmp

memory/4924-9-0x0000000006490000-0x00000000064E6000-memory.dmp

memory/4924-8-0x0000000006420000-0x000000000642A000-memory.dmp

memory/4924-10-0x0000000007100000-0x000000000710C000-memory.dmp

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

MD5 63495c938c53f7d9fa71024ac479045d
SHA1 6f3c331b43d0cba0b859cb49274b11afc0f73398
SHA256 20fde3ceeab30299f1ec9ffee1d9314de41d59b7faaf1c4b2e64a58f507b3518
SHA512 0a9445fcd7ce75129601c171479e1e683fbfaf01b0d05fdcb36428f657aaecbfe81973ec8eb32e88469e782108cc1308a17d5f6cdc9111e40f53fe5cc349ac4d

memory/4000-24-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/4924-23-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/4000-25-0x0000000002A10000-0x0000000002A20000-memory.dmp

memory/4000-26-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/4000-27-0x0000000002A10000-0x0000000002A20000-memory.dmp