njrat | 4a6fd719619ff72fa045f8fe1c386407d5819d321819119ffb5908bc40626865

General

Target

..exe
Size

97KB
MD5

6b2f9bd816a587fc95b180165fc2de52
SHA1

883d0273809933c3f1c8c3028a3292a6b6b685a3
SHA256

3e724526d13e04bd577505dca03ce99a84ec6b51997b08bcb91b998ef724f5ec
SHA512

1b588c9ab8251c0f7389944cc9ba79c2ff17c37c1824743e06f0634c1a159835b3744b1a6e8718e1c2594832a913d657cb7d35b4eb7faed613f5e0fced8d1cea
SSDEEP

1536:39YrtUwWH5c+gEfNmZbmLMxA6uNua+QO/OTz/3rn47sBtNW98dtaVZaR/J1fHw0U:3OrxI5PmxDuNuNQ+4YY97g

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

snopi.ddns.net:9100

Mutex

5bfa04bf4e1b1b13538ee68039ccfeba

Attributes

reg_key
5bfa04bf4e1b1b13538ee68039ccfeba
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

1268 netsh.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

..exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation ..exe
Executes dropped EXE 1 IoCs

Processes:

smart.exe

pid process

2040 smart.exe

pid	process
1268	netsh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	..exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

smart.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5bfa04bf4e1b1b13538ee68039ccfeba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\smart.exe\" .."	smart.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5bfa04bf4e1b1b13538ee68039ccfeba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\smart.exe\" .."	smart.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

smart.exe

pid	process
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe
2040	smart.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

smart.exe

description pid process

Token: SeDebugPrivilege 2040 smart.exe

description	pid	process
Token: SeDebugPrivilege	2040	smart.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

..exesmart.exe

description	pid	process	target process
PID 4892 wrote to memory of 2040	4892	..exe	smart.exe
PID 4892 wrote to memory of 2040	4892	..exe	smart.exe
PID 4892 wrote to memory of 2040	4892	..exe	smart.exe
PID 2040 wrote to memory of 1268	2040	smart.exe	netsh.exe
PID 2040 wrote to memory of 1268	2040	smart.exe	netsh.exe
PID 2040 wrote to memory of 1268	2040	smart.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\..exe
"C:\Users\Admin\AppData\Local\Temp\..exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4892

C:\Users\Admin\AppData\Local\Temp\smart.exe
"C:\Users\Admin\AppData\Local\Temp\smart.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\smart.exe" "smart.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
97KB

MD5
6b2f9bd816a587fc95b180165fc2de52

SHA1
883d0273809933c3f1c8c3028a3292a6b6b685a3

SHA256
3e724526d13e04bd577505dca03ce99a84ec6b51997b08bcb91b998ef724f5ec

SHA512
1b588c9ab8251c0f7389944cc9ba79c2ff17c37c1824743e06f0634c1a159835b3744b1a6e8718e1c2594832a913d657cb7d35b4eb7faed613f5e0fced8d1cea

Download Submit
memory/2040-28-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2040-27-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2040-26-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2040-25-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2040-23-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2040-22-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4892-4-0x0000000004E60000-0x0000000004EF2000-memory.dmp

Filesize
584KB

Download
memory/4892-8-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4892-9-0x0000000005360000-0x000000000536E000-memory.dmp

Filesize
56KB

Download
memory/4892-7-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4892-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/4892-6-0x0000000004F00000-0x0000000004F56000-memory.dmp

Filesize
344KB

Download
memory/4892-24-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4892-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/4892-3-0x0000000005370000-0x0000000005914000-memory.dmp

Filesize
5.6MB

Download
memory/4892-2-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

Filesize
624KB

Download
memory/4892-1-0x00000000002F0000-0x0000000000310000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads