Malware Analysis Report

2024-10-23 20:47

Sample ID 240529-ckpttsec91
Target 721ce91db1511b614eda698111dcd68c.bin
SHA256 b7c33b60482c052b704f13e0747dc97ae4384faf9e4bb3fb9a1b7ca0ab1441e2
Tags
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

b7c33b60482c052b704f13e0747dc97ae4384faf9e4bb3fb9a1b7ca0ab1441e2

Threat Level: Known bad

The file 721ce91db1511b614eda698111dcd68c.bin was found to be: Known bad.

Malicious Activity Summary

njrat evasion trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-29 02:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 02:08

Reported

2024-05-29 02:10

Platform

win7-20240508-en

Max time kernel

148s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.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\server.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp

Files

memory/2412-0-0x0000000074041000-0x0000000074042000-memory.dmp

memory/2412-1-0x0000000074040000-0x00000000745EB000-memory.dmp

memory/2412-2-0x0000000074040000-0x00000000745EB000-memory.dmp

\Users\Admin\AppData\Roaming\server.exe

MD5 721ce91db1511b614eda698111dcd68c
SHA1 34a5ef03e4fe55a3afbd59b08f60c3625d9788bc
SHA256 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f
SHA512 72de4cbd417bd85a1bc78ed82656e985190644a34707377d7b1c473f2ead4d6f64599963f93b0ab224fdbb8000959555309d33080ecdedaea6d5140e8f758d44

memory/2412-11-0x0000000074040000-0x00000000745EB000-memory.dmp

memory/2816-10-0x0000000074040000-0x00000000745EB000-memory.dmp

memory/2816-12-0x0000000074040000-0x00000000745EB000-memory.dmp

memory/2816-13-0x0000000074040000-0x00000000745EB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 02:08

Reported

2024-05-29 02:10

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe

"C:\Users\Admin\AppData\Local\Temp\405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 x555hd.ddns.net udp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp
DZ 197.207.195.25:555 x555hd.ddns.net tcp

Files

memory/2776-0-0x0000000074992000-0x0000000074993000-memory.dmp

memory/2776-1-0x0000000074990000-0x0000000074F41000-memory.dmp

memory/2776-2-0x0000000074990000-0x0000000074F41000-memory.dmp

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

MD5 721ce91db1511b614eda698111dcd68c
SHA1 34a5ef03e4fe55a3afbd59b08f60c3625d9788bc
SHA256 405062f7037cddb27c2d1df1f9e371f512e14d83da7d878e516c5267a1944d3f
SHA512 72de4cbd417bd85a1bc78ed82656e985190644a34707377d7b1c473f2ead4d6f64599963f93b0ab224fdbb8000959555309d33080ecdedaea6d5140e8f758d44

memory/2776-15-0x0000000074990000-0x0000000074F41000-memory.dmp

memory/5092-16-0x0000000074990000-0x0000000074F41000-memory.dmp

memory/5092-17-0x0000000074990000-0x0000000074F41000-memory.dmp

memory/5092-18-0x0000000074990000-0x0000000074F41000-memory.dmp