njrat | 1f47b620c6f768dd2cd3829a4e12e3709eeb42768df257b251214458d3301f79

General

Target

1000.exe
Size

23KB
MD5

dccef00a6118f88b3d4d97714a6638fd
SHA1

b47aa7bed75794fbd67547222601cda76cc80a6d
SHA256

6938b477559cbdda70c83040c172bfcffd39c350d8ec4e2bc742c280ce8716ac
SHA512

d89a655d41da3a43dd67f297509b090463f4ec739eaf75665d2a6d958c2f08dd7409e1744b51e2f2108e27342d4617fd72d8fc4381710e63995fbc1076be6990
SSDEEP

384:wsqCm6yocx/Yp7jemiO0nd08/VQ6bgNQC5h7tmRvR6JZlbw8hqIusZzZhg:HSoQA6mlcrRpcnu9

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ailail07821532043.no-ip.biz:1177

Mutex

9357b740612443fbb87cb8bfe74c902f

Attributes

reg_key
9357b740612443fbb87cb8bfe74c902f
splitter
|'|'|

Signatures

Njrat family
njrat
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

pid	Process
2244	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1980	1000.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\9357b740612443fbb87cb8bfe74c902f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9357b740612443fbb87cb8bfe74c902f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe
Token: 33	2012	server.exe
Token: SeIncBasePriorityPrivilege	2012	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2012	1980	1000.exe	30
PID 1980 wrote to memory of 2012	1980	1000.exe	30
PID 1980 wrote to memory of 2012	1980	1000.exe	30
PID 1980 wrote to memory of 2012	1980	1000.exe	30
PID 2012 wrote to memory of 2244	2012	server.exe	31
PID 2012 wrote to memory of 2244	2012	server.exe	31
PID 2012 wrote to memory of 2244	2012	server.exe	31
PID 2012 wrote to memory of 2244	2012	server.exe	31

C:\Users\Admin\AppData\Local\Temp\1000.exe
"C:\Users\Admin\AppData\Local\Temp\1000.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2244

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
dccef00a6118f88b3d4d97714a6638fd

SHA1
b47aa7bed75794fbd67547222601cda76cc80a6d

SHA256
6938b477559cbdda70c83040c172bfcffd39c350d8ec4e2bc742c280ce8716ac

SHA512
d89a655d41da3a43dd67f297509b090463f4ec739eaf75665d2a6d958c2f08dd7409e1744b51e2f2108e27342d4617fd72d8fc4381710e63995fbc1076be6990

Download Submit
memory/1980-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/1980-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-11-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-12-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-10-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-13-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads