Malware Analysis Report

2024-07-11 11:03

Sample ID 240530-rar9jaca86
Target 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
SHA256 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
Tags
1 njrat evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311

Threat Level: Known bad

The file 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311 was found to be: Known bad.

Malicious Activity Summary

1 njrat evasion trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-30 13:59

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 13:59

Reported

2024-05-30 14:02

Platform

win7-20240419-en

Max time kernel

148s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.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\WindowsServices.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe

"C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 talkh.ddns.net udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
QA 78.101.50.181:4444 talkh.ddns.net tcp
QA 78.101.50.181:4444 talkh.ddns.net tcp
US 8.8.8.8:53 talkh.ddns.net udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
QA 78.101.50.181:4444 talkh.ddns.net tcp
QA 78.101.50.181:4444 talkh.ddns.net tcp

Files

memory/1824-2-0x0000000074280000-0x000000007482B000-memory.dmp

memory/1824-1-0x0000000074280000-0x000000007482B000-memory.dmp

memory/1824-0-0x0000000074281000-0x0000000074282000-memory.dmp

\Users\Admin\AppData\Roaming\WindowsServices.exe

MD5 fe6f894736afcbaaa70712986819dd63
SHA1 420b0ef62191359231cf5e07c24fa2774e8ae121
SHA256 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
SHA512 9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

memory/1824-11-0x0000000074280000-0x000000007482B000-memory.dmp

memory/3048-10-0x0000000074280000-0x000000007482B000-memory.dmp

memory/3048-12-0x0000000074280000-0x000000007482B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 13:59

Reported

2024-05-30 14:02

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe

"C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe"

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 --field-trial-handle=3240,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4588 /prefetch:8

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 talkh.ddns.net udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
US 8.8.8.8:53 talkh.ddns.net udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
QA 78.101.50.181:4444 talkh.ddns.net tcp
QA 78.101.50.181:4444 talkh.ddns.net tcp

Files

memory/3688-0-0x0000000074B22000-0x0000000074B23000-memory.dmp

memory/3688-1-0x0000000074B20000-0x00000000750D1000-memory.dmp

memory/3688-2-0x0000000074B20000-0x00000000750D1000-memory.dmp

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

MD5 fe6f894736afcbaaa70712986819dd63
SHA1 420b0ef62191359231cf5e07c24fa2774e8ae121
SHA256 48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311
SHA512 9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

memory/3688-12-0x0000000074B20000-0x00000000750D1000-memory.dmp

memory/220-13-0x0000000074B20000-0x00000000750D1000-memory.dmp

memory/220-14-0x0000000074B20000-0x00000000750D1000-memory.dmp

memory/220-15-0x0000000074B20000-0x00000000750D1000-memory.dmp