njrat | 6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a

General

Target

6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe
Size

23KB
MD5

9dfb2d75775a9cad7b1d6dbfede91d32
SHA1

611504ab2631e12c707a37615b5d51cc5522e3c9
SHA256

6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a
SHA512

e14c892eae262322f27d0b9062292d4d8d87325600d4c06c84c0019d2ba322dacfb922598b68ce905b14086582b2a2c41c08384988e0c12e4a9c60fff483be99
SSDEEP

384:p8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZ2b:KXcwt3tRpcnuH

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

677e85d68b5a6191eb381068cc81ae97

Attributes

reg_key
677e85d68b5a6191eb381068cc81ae97
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
2560	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	System.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe
Token: 33	2816	System.exe
Token: SeIncBasePriorityPrivilege	2816	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2816	1688	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe	30
PID 1688 wrote to memory of 2816	1688	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe	30
PID 1688 wrote to memory of 2816	1688	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe	30
PID 1688 wrote to memory of 2816	1688	6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe	30
PID 2816 wrote to memory of 2560	2816	System.exe	31
PID 2816 wrote to memory of 2560	2816	System.exe	31
PID 2816 wrote to memory of 2560	2816	System.exe	31
PID 2816 wrote to memory of 2560	2816	System.exe	31

C:\Users\Admin\AppData\Local\Temp\6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe
"C:\Users\Admin\AppData\Local\Temp\6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\System.exe

Filesize
23KB

MD5
9dfb2d75775a9cad7b1d6dbfede91d32

SHA1
611504ab2631e12c707a37615b5d51cc5522e3c9

SHA256
6fcfa488c67737f9dd617995bb0d67087feb4f84d6ee1fdd26a8fc1e01931b2a

SHA512
e14c892eae262322f27d0b9062292d4d8d87325600d4c06c84c0019d2ba322dacfb922598b68ce905b14086582b2a2c41c08384988e0c12e4a9c60fff483be99

Download Submit
memory/1688-0-0x0000000074211000-0x0000000074212000-memory.dmp

Filesize
4KB

Download
memory/1688-2-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/1688-1-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/1688-10-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/2816-11-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/2816-12-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/2816-13-0x0000000074210000-0x00000000747BB000-memory.dmp

Filesize
5.7MB

Download
memory/2816-14-0x0000000074210000-0x00000000747BB000-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