Malware Analysis Report

2025-03-15 06:27

Sample ID 240119-gj9vtsgfd3
Target 3020-4-0x00000000021A0000-0x00000000021AC000-memory.dmp
SHA256 f3f9271ae8799336acfda326fba3e1cd7dbba9fe2b07aa4b1eda90e79e649793
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

f3f9271ae8799336acfda326fba3e1cd7dbba9fe2b07aa4b1eda90e79e649793

Threat Level: Known bad

The file 3020-4-0x00000000021A0000-0x00000000021AC000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion persistence trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-19 05:51

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-19 05:51

Reported

2024-01-19 05:53

Platform

win7-20231215-en

Max time kernel

150s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.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\uhyhher.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\162f71f7ffbaf34cff578886b8650868 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\uhyhher.exe\" .." C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\162f71f7ffbaf34cff578886b8650868 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\uhyhher.exe\" .." C:\Users\Admin\AppData\Local\Temp\uhyhher.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\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp

Files

memory/2188-0-0x00000000743A0000-0x000000007494B000-memory.dmp

memory/2188-1-0x00000000743A0000-0x000000007494B000-memory.dmp

memory/2188-2-0x0000000002280000-0x00000000022C0000-memory.dmp

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

MD5 76946303d472f728b2cc2b67c1453fee
SHA1 a070923cf779145dd2244d339061e4a1dceaf4aa
SHA256 f3f9271ae8799336acfda326fba3e1cd7dbba9fe2b07aa4b1eda90e79e649793
SHA512 846358a5852c193846d3607a9e993b23f58b76cbab7f2a3b0e013cbff737d1f18c25f115aba3c0cc8d1611f0e78a1d85764dc7f660a2f865ebaa145e52d41e9d

memory/2188-11-0x00000000743A0000-0x000000007494B000-memory.dmp

memory/2492-10-0x00000000743A0000-0x000000007494B000-memory.dmp

memory/2492-12-0x0000000001EA0000-0x0000000001EE0000-memory.dmp

memory/2492-13-0x00000000743A0000-0x000000007494B000-memory.dmp

memory/2492-14-0x00000000743A0000-0x000000007494B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-19 05:51

Reported

2024-01-19 05:53

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.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\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.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\162f71f7ffbaf34cff578886b8650868 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\uhyhher.exe\" .." C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\162f71f7ffbaf34cff578886b8650868 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\uhyhher.exe\" .." C:\Users\Admin\AppData\Local\Temp\uhyhher.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\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\uhyhher.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3020-4-0x00000000021A0000-0x00000000021AC000-memory.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp

Files

memory/5088-0-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/5088-1-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/5088-2-0x0000000000FE0000-0x0000000000FF0000-memory.dmp

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

MD5 76946303d472f728b2cc2b67c1453fee
SHA1 a070923cf779145dd2244d339061e4a1dceaf4aa
SHA256 f3f9271ae8799336acfda326fba3e1cd7dbba9fe2b07aa4b1eda90e79e649793
SHA512 846358a5852c193846d3607a9e993b23f58b76cbab7f2a3b0e013cbff737d1f18c25f115aba3c0cc8d1611f0e78a1d85764dc7f660a2f865ebaa145e52d41e9d

memory/5088-12-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/4692-13-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/4692-14-0x00000000018B0000-0x00000000018C0000-memory.dmp

memory/4692-15-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/4692-16-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/4692-17-0x00000000018B0000-0x00000000018C0000-memory.dmp