njrat | 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67

General

Target

1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe
Size

84KB
MD5

c7351f9cd4c20dbef223c537760a6290
SHA1

cc4c4dde4c4eb43357f2e5cd47c357b02ab948be
SHA256

1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67
SHA512

6cd4cc38b2f99cf2342a9c2305f7e06b5c0f49c81ff90863df68c7ad6a1a85ece1116acf120cf908eadc5026da684f0a363eaa7f472fd2545249467aaf63de57
SSDEEP

1536:KX4CF2rk2f9I/MRJ87xbBXT9kVaF6/6fLSLve2tYTZDKL0mEwPC:KN2ue+b8VaFtQGTZDKP7PC

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

212683d986fb740ad6a40184df48e604

Attributes

reg_key
212683d986fb740ad6a40184df48e604
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

pid	Process
2832	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.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\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe
Token: 33	1988	server.exe
Token: SeIncBasePriorityPrivilege	1988	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1988	2756	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe	30
PID 2756 wrote to memory of 1988	2756	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe	30
PID 2756 wrote to memory of 1988	2756	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe	30
PID 2756 wrote to memory of 1988	2756	1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe	30
PID 1988 wrote to memory of 2832	1988	server.exe	31
PID 1988 wrote to memory of 2832	1988	server.exe	31
PID 1988 wrote to memory of 2832	1988	server.exe	31
PID 1988 wrote to memory of 2832	1988	server.exe	31

C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe
"C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:1988
- - 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:2832

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
84KB

MD5
c7351f9cd4c20dbef223c537760a6290

SHA1
cc4c4dde4c4eb43357f2e5cd47c357b02ab948be

SHA256
1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67

SHA512
6cd4cc38b2f99cf2342a9c2305f7e06b5c0f49c81ff90863df68c7ad6a1a85ece1116acf120cf908eadc5026da684f0a363eaa7f472fd2545249467aaf63de57

Download Submit
memory/1988-12-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-11-0x00000000000A0000-0x00000000000BC000-memory.dmp

Filesize
112KB

Download
memory/1988-13-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-15-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-16-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x0000000000990000-0x00000000009AC000-memory.dmp

Filesize
112KB

Download
memory/2756-2-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-3-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/2756-14-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads