Malware Analysis Report

2025-06-16 06:49

Sample ID 240414-b6ds1sda36
Target e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe
SHA256 e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45
Tags
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

e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45

Threat Level: Known bad

The file e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe was found to be: Known bad.

Malicious Activity Summary

njrat evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-14 01:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-14 01:45

Reported

2024-04-14 01:47

Platform

win7-20240221-en

Max time kernel

150s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\697fc792486f4620339b1955c5bf06cc.exe C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\697fc792486f4620339b1955c5bf06cc.exe C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\697fc792486f4620339b1955c5bf06cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\settinng.exe\" .." C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\697fc792486f4620339b1955c5bf06cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\settinng.exe\" .." C:\Users\Admin\AppData\Local\Temp\settinng.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\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe

"C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 seznam.zapto.org udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
FI 34.88.143.155:1177 seznam.zapto.org tcp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 seznam.zapto.org udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
FI 34.88.143.155:1177 seznam.zapto.org tcp
FI 34.88.143.155:1177 seznam.zapto.org tcp

Files

memory/2880-0-0x00000000746F0000-0x0000000074C9B000-memory.dmp

memory/2880-1-0x00000000004E0000-0x0000000000520000-memory.dmp

memory/2880-2-0x00000000746F0000-0x0000000074C9B000-memory.dmp

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

MD5 d8a7d52abd431beda270a39284a27f04
SHA1 e5025cff3cf12bb828aa80a0eca5f7312609df74
SHA256 e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45
SHA512 866bdc7569caebe08885f949a2855fe9b73194f01cdabb4319867ea712e55e603834dd2ee86a860f1fdbd3417bcd6b8244ceaea8ddc48f4dd5f71a07307be28e

memory/2880-10-0x00000000746F0000-0x0000000074C9B000-memory.dmp

memory/2204-11-0x00000000746F0000-0x0000000074C9B000-memory.dmp

memory/2204-12-0x0000000000B10000-0x0000000000B50000-memory.dmp

memory/2204-13-0x00000000746F0000-0x0000000074C9B000-memory.dmp

memory/2204-15-0x00000000746F0000-0x0000000074C9B000-memory.dmp

memory/2204-16-0x0000000000B10000-0x0000000000B50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-14 01:45

Reported

2024-04-14 01:47

Platform

win10v2004-20240412-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.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-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\697fc792486f4620339b1955c5bf06cc.exe C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\697fc792486f4620339b1955c5bf06cc.exe C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\697fc792486f4620339b1955c5bf06cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\settinng.exe\" .." C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\697fc792486f4620339b1955c5bf06cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\settinng.exe\" .." C:\Users\Admin\AppData\Local\Temp\settinng.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\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\settinng.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe

"C:\Users\Admin\AppData\Local\Temp\e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 seznam.zapto.org udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 seznam.zapto.org udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
FI 34.88.143.155:1177 seznam.zapto.org tcp
FI 34.88.143.155:1177 seznam.zapto.org tcp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/184-0-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/184-1-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/184-2-0x00000000011D0000-0x00000000011E0000-memory.dmp

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

MD5 d8a7d52abd431beda270a39284a27f04
SHA1 e5025cff3cf12bb828aa80a0eca5f7312609df74
SHA256 e0c39d4b66b520833779fc3cea0a91c12426b621b09b3219ed0d2fab58f52d45
SHA512 866bdc7569caebe08885f949a2855fe9b73194f01cdabb4319867ea712e55e603834dd2ee86a860f1fdbd3417bcd6b8244ceaea8ddc48f4dd5f71a07307be28e

memory/4476-16-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/184-15-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/4476-17-0x00000000013C0000-0x00000000013D0000-memory.dmp

memory/4476-18-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/4476-20-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/4476-21-0x00000000013C0000-0x00000000013D0000-memory.dmp