njrat | 40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58

General

Target

40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
Size

980KB
MD5

9d39a28d4969df4949cebc75f03554c0
SHA1

1e3230a54a084e8558c648a66b23f868e7c1276f
SHA256

40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58
SHA512

4b3c4e6b50a28e8352db4ffacdb865ed1ff219c224d40db3076c796ca4cd83c1e9cd35151a1473c2e72bd172ca0bc0f7e43282cb63f12e9199d4641ff9a2c847
SSDEEP

12288:x2LaKaEt0ymu5M2kqChPAxzlO50IoPWEu/8+l89R6WvEVr4aQxU:xdnuahPS5nxTRdvEVr47

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
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
2656	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2788	server.exe
2752	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2516	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
2788	server.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 812 set thread context of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 2788 set thread context of 2752	2788	server.exe	32

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 5 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	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
Token: SeDebugPrivilege	2788	server.exe
Token: SeDebugPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe
Token: 33	2752	server.exe
Token: SeIncBasePriorityPrivilege	2752	server.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 812 wrote to memory of 2516	812	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	30
PID 2516 wrote to memory of 2788	2516	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	31
PID 2516 wrote to memory of 2788	2516	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	31
PID 2516 wrote to memory of 2788	2516	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	31
PID 2516 wrote to memory of 2788	2516	40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe	31
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2788 wrote to memory of 2752	2788	server.exe	32
PID 2752 wrote to memory of 2656	2752	server.exe	33
PID 2752 wrote to memory of 2656	2752	server.exe	33
PID 2752 wrote to memory of 2656	2752	server.exe	33
PID 2752 wrote to memory of 2656	2752	server.exe	33

C:\Users\Admin\AppData\Local\Temp\40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
"C:\Users\Admin\AppData\Local\Temp\40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812
- C:\Users\Admin\AppData\Local\Temp\40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
  C:\Users\Admin\AppData\Local\Temp\40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58N.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2752
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2656

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
980KB

MD5
9d39a28d4969df4949cebc75f03554c0

SHA1
1e3230a54a084e8558c648a66b23f868e7c1276f

SHA256
40efde16d08059a99d43c80e67e7c76c51893186aac36f091da2ece9eecceb58

SHA512
4b3c4e6b50a28e8352db4ffacdb865ed1ff219c224d40db3076c796ca4cd83c1e9cd35151a1473c2e72bd172ca0bc0f7e43282cb63f12e9199d4641ff9a2c847

Download Submit
memory/812-21-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-23-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-3-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/812-20-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-22-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-1-0x00000000009C0000-0x0000000000ABC000-memory.dmp

Filesize
1008KB

Download
memory/812-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-26-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/812-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2516-24-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/2516-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2516-25-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2516-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2516-35-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-34-0x0000000001010000-0x000000000110C000-memory.dmp

Filesize
1008KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads