Malware Analysis Report

2025-03-15 06:25

Sample ID 240128-zm5z6aaad3
Target DD9C23F11AF2EB3D28100CCF247295AF.exe
SHA256 38a3315d455e19f77836f648482bfc2a8789992389c1c1684ecba5c1b96b5423
Tags
hacked njrat 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

38a3315d455e19f77836f648482bfc2a8789992389c1c1684ecba5c1b96b5423

Threat Level: Known bad

The file DD9C23F11AF2EB3D28100CCF247295AF.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion persistence trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-28 20:51

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-28 20:51

Reported

2024-01-28 20:53

Platform

win7-20231215-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.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\server.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.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\5ac1201fdd75a99e521cd7767ed4dfdc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5ac1201fdd75a99e521cd7767ed4dfdc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.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\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.exe

"C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp

Files

memory/2912-0-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/2912-2-0x0000000000B60000-0x0000000000BA0000-memory.dmp

memory/2912-1-0x0000000074AA0000-0x000000007504B000-memory.dmp

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

MD5 dd9c23f11af2eb3d28100ccf247295af
SHA1 e657e7ebaf646358a59919e9e5482f7e880e0a6e
SHA256 38a3315d455e19f77836f648482bfc2a8789992389c1c1684ecba5c1b96b5423
SHA512 c61bdf7b85c8497523e90abcbc0800a3fb3d557e534cdbdbbb197f1d9acc73a4b0af6577902d472ed0c2b5b0e9be11205e74f8861e9c65c90b9b7657c069b352

memory/2912-10-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/2756-11-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/2756-12-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/2756-14-0x0000000001F20000-0x0000000001F60000-memory.dmp

memory/2756-13-0x0000000074AA0000-0x000000007504B000-memory.dmp

memory/2756-15-0x0000000074AA0000-0x000000007504B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-28 20:51

Reported

2024-01-28 20:53

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ac1201fdd75a99e521cd7767ed4dfdc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5ac1201fdd75a99e521cd7767ed4dfdc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.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\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.exe

"C:\Users\Admin\AppData\Local\Temp\DD9C23F11AF2EB3D28100CCF247295AF.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 49.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 59.80.189.206.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp
SG 206.189.80.59:22614 tcp

Files

memory/1116-0-0x0000000074950000-0x0000000074F01000-memory.dmp

memory/1116-1-0x0000000074950000-0x0000000074F01000-memory.dmp

memory/1116-2-0x0000000001450000-0x0000000001460000-memory.dmp

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

MD5 dd9c23f11af2eb3d28100ccf247295af
SHA1 e657e7ebaf646358a59919e9e5482f7e880e0a6e
SHA256 38a3315d455e19f77836f648482bfc2a8789992389c1c1684ecba5c1b96b5423
SHA512 c61bdf7b85c8497523e90abcbc0800a3fb3d557e534cdbdbbb197f1d9acc73a4b0af6577902d472ed0c2b5b0e9be11205e74f8861e9c65c90b9b7657c069b352

memory/1116-12-0x0000000074950000-0x0000000074F01000-memory.dmp

memory/2032-13-0x0000000074950000-0x0000000074F01000-memory.dmp

memory/2032-14-0x0000000074950000-0x0000000074F01000-memory.dmp

memory/2032-15-0x0000000001770000-0x0000000001780000-memory.dmp