Malware Analysis Report

2025-03-15 06:25

Sample ID 240121-n6yveacdbj
Target D6E07886220DDE443F7EE7E7669C11FF.exe
SHA256 619650da11fb47c9ba3848e5313272a558ff6e5d62d8cec55589ce7af19b4537
Tags
njrat hacked 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

619650da11fb47c9ba3848e5313272a558ff6e5d62d8cec55589ce7af19b4537

Threat Level: Known bad

The file D6E07886220DDE443F7EE7E7669C11FF.exe was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion trojan

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 12:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-21 12:01

Reported

2024-01-21 12:03

Platform

win7-20231215-en

Max time kernel

147s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.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\build.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.exe

"C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.exe"

C:\Users\Admin\AppData\Local\build.exe

"C:\Users\Admin\AppData\Local\build.exe"

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp

Files

memory/2540-0-0x0000000000100000-0x0000000000164000-memory.dmp

memory/2540-1-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

C:\Users\Admin\AppData\Local\build.exe

MD5 9040cb3dbe2e34705bc12e5a7d7258c8
SHA1 1f0c63d580f2a2327387e6d61cd86b3dbff366f7
SHA256 f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844
SHA512 677d8f7f1ef49a7a6f127ce4044b50a381e9f0645c9e00a8e1929b258795e5433d5ede30e6a7b61bac913659ac9b1851cc2c01f1f8d8b2cf58e72b57d7d7723a

memory/2540-10-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

memory/2448-11-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/2448-12-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/2448-13-0x00000000002F0000-0x0000000000330000-memory.dmp

memory/2448-15-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/2448-16-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/2448-17-0x00000000002F0000-0x0000000000330000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 12:01

Reported

2024-01-21 12:03

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.exe N/A

Executes dropped EXE

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

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.exe

"C:\Users\Admin\AppData\Local\Temp\D6E07886220DDE443F7EE7E7669C11FF.exe"

C:\Users\Admin\AppData\Local\build.exe

"C:\Users\Admin\AppData\Local\build.exe"

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.156.13.209:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 209.13.156.18.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.156.13.209:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/3116-0-0x00000000001E0000-0x0000000000244000-memory.dmp

memory/3116-1-0x00007FFA894C0000-0x00007FFA89F81000-memory.dmp

C:\Users\Admin\AppData\Local\build.exe

MD5 9040cb3dbe2e34705bc12e5a7d7258c8
SHA1 1f0c63d580f2a2327387e6d61cd86b3dbff366f7
SHA256 f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844
SHA512 677d8f7f1ef49a7a6f127ce4044b50a381e9f0645c9e00a8e1929b258795e5433d5ede30e6a7b61bac913659ac9b1851cc2c01f1f8d8b2cf58e72b57d7d7723a

memory/3116-11-0x00007FFA894C0000-0x00007FFA89F81000-memory.dmp

memory/4652-12-0x0000000075140000-0x00000000756F1000-memory.dmp

memory/4652-13-0x0000000075140000-0x00000000756F1000-memory.dmp

memory/4652-14-0x00000000010C0000-0x00000000010D0000-memory.dmp

memory/4652-16-0x0000000075140000-0x00000000756F1000-memory.dmp

memory/4652-17-0x0000000075140000-0x00000000756F1000-memory.dmp

memory/4652-18-0x00000000010C0000-0x00000000010D0000-memory.dmp