Malware Analysis Report

2025-01-22 13:52

Sample ID 240826-3qwgnstcjm
Target e8ab30ce44b18c12e2a2798efd7a3040N.exe
SHA256 955e4696ea217d3ea0ad3bc5d33bdf31025c0741a041a63e451e287c946151e6
Tags
hacked njrat discovery 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

955e4696ea217d3ea0ad3bc5d33bdf31025c0741a041a63e451e287c946151e6

Threat Level: Known bad

The file e8ab30ce44b18c12e2a2798efd7a3040N.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery persistence trojan

Njrat family

njRAT/Bladabindi

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-26 23:43

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-26 23:43

Reported

2024-08-26 23:45

Platform

win7-20240708-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 5.tcp.eu.ngrok.io N/A N/A
N/A 5.tcp.eu.ngrok.io N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe

"C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:13606 5.tcp.eu.ngrok.io tcp

Files

memory/1660-0-0x0000000074BB1000-0x0000000074BB2000-memory.dmp

memory/1660-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1660-2-0x0000000074BB0000-0x000000007515B000-memory.dmp

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

MD5 e8ab30ce44b18c12e2a2798efd7a3040
SHA1 946f11aa3825d3ca676cd086530438bee2138286
SHA256 955e4696ea217d3ea0ad3bc5d33bdf31025c0741a041a63e451e287c946151e6
SHA512 eaf344453dbb5a40802c4a329e6cf4315f095a484e21831e7b069791da32ed144d23ce37fd8a262d84463b50ef82afcd910630e703e5b40cb2940b6e603b02a3

memory/2428-11-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1660-10-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/2428-12-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/2428-13-0x0000000074BB0000-0x000000007515B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-26 23:43

Reported

2024-08-26 23:45

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 5.tcp.eu.ngrok.io N/A N/A
N/A 5.tcp.eu.ngrok.io N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe

"C:\Users\Admin\AppData\Local\Temp\e8ab30ce44b18c12e2a2798efd7a3040N.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
DE 3.67.161.133:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
DE 3.67.112.102:13606 5.tcp.eu.ngrok.io tcp

Files

memory/4532-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

memory/4532-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4532-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

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

MD5 e8ab30ce44b18c12e2a2798efd7a3040
SHA1 946f11aa3825d3ca676cd086530438bee2138286
SHA256 955e4696ea217d3ea0ad3bc5d33bdf31025c0741a041a63e451e287c946151e6
SHA512 eaf344453dbb5a40802c4a329e6cf4315f095a484e21831e7b069791da32ed144d23ce37fd8a262d84463b50ef82afcd910630e703e5b40cb2940b6e603b02a3

memory/4532-12-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4504-13-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4504-14-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4504-15-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4504-16-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/4504-17-0x00000000754B0000-0x0000000075A61000-memory.dmp