Malware Analysis Report

2025-03-15 06:27

Sample ID 240123-bvydaafda2
Target a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe
SHA256 a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854
Tags
hacked njrat evasion
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

a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854

Threat Level: Known bad

The file a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion

Njrat family

Modifies Windows Firewall

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-23 01:28

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-23 01:28

Reported

2024-01-23 01:31

Platform

win7-20231215-en

Max time kernel

150s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe

"C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe" "a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe" ENABLE

Network

Country Destination Domain Proto
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp

Files

memory/1200-0-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/1200-1-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/1200-2-0x0000000000540000-0x0000000000580000-memory.dmp

memory/1200-3-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/1200-4-0x0000000074B10000-0x00000000750BB000-memory.dmp

memory/1200-5-0x0000000000540000-0x0000000000580000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-23 01:28

Reported

2024-01-23 01:31

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe

"C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe" "a5ea2ffe9edc8e65949ee701afb850605c5114e92974af29e75878d6215c0854.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp
N/A 127.0.0.1:1221 tcp

Files

memory/4280-0-0x00000000751E0000-0x0000000075791000-memory.dmp

memory/4280-1-0x0000000001640000-0x0000000001650000-memory.dmp

memory/4280-2-0x00000000751E0000-0x0000000075791000-memory.dmp

memory/4280-3-0x00000000751E0000-0x0000000075791000-memory.dmp

memory/4280-4-0x0000000001640000-0x0000000001650000-memory.dmp

memory/4280-5-0x00000000751E0000-0x0000000075791000-memory.dmp