Malware Analysis Report

2025-01-22 14:02

Sample ID 240226-1vznsahb59
Target a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98
SHA256 a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98
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

a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98

Threat Level: Known bad

The file a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98 was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-26 21:58

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-26 21:58

Reported

2024-02-26 22:01

Platform

win7-20240221-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.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\Local\Temp\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe

"C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE

Network

Country Destination Domain Proto
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp

Files

memory/2512-0-0x00000000747E0000-0x0000000074D8B000-memory.dmp

memory/2512-1-0x00000000747E0000-0x0000000074D8B000-memory.dmp

memory/2512-2-0x0000000000350000-0x0000000000390000-memory.dmp

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

MD5 be620fcc4aa93db6323afb9d59f58433
SHA1 96c315802257494d3474d4b3dd819415bfad187f
SHA256 a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98
SHA512 a31951ac3da5fec54a02c85635ce21131038e181cf07fcd73af19ec96084a3e00b8d7adc6aca33f0db87723daead6d34cf2726e2f5b57d1508bd39ab0776cdd0

memory/2512-14-0x00000000747E0000-0x0000000074D8B000-memory.dmp

memory/2540-15-0x0000000000150000-0x0000000000190000-memory.dmp

memory/2540-13-0x00000000747E0000-0x0000000074D8B000-memory.dmp

memory/2540-16-0x00000000747E0000-0x0000000074D8B000-memory.dmp

memory/2540-17-0x0000000000150000-0x0000000000190000-memory.dmp

memory/2540-18-0x00000000747E0000-0x0000000074D8B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-26 21:58

Reported

2024-02-26 22:01

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe"

Signatures

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe

"C:\Users\Admin\AppData\Local\Temp\a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 13.107.246.64:443 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
NL 37.1.222.208:5555 tcp
NL 37.1.222.208:5555 tcp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp
NL 37.1.222.208:5555 tcp

Files

memory/1076-0-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/1076-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/1076-2-0x0000000001620000-0x0000000001630000-memory.dmp

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

MD5 be620fcc4aa93db6323afb9d59f58433
SHA1 96c315802257494d3474d4b3dd819415bfad187f
SHA256 a569d0e761a74ce9324fe2acd2d8d18ba16fe7882a4c8c2d29eed0fa47083a98
SHA512 a31951ac3da5fec54a02c85635ce21131038e181cf07fcd73af19ec96084a3e00b8d7adc6aca33f0db87723daead6d34cf2726e2f5b57d1508bd39ab0776cdd0

memory/4668-11-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/4668-12-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/1076-14-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/4668-15-0x00000000746A0000-0x0000000074C51000-memory.dmp