njrat | 53cd7a4bb97406de77324241f745145da9093b63874a9ece5d890bf6d5d17235

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 07:06

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General

Target

JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Size

116KB
MD5

09fdbd509562d4471f5dfdd846ce52b1
SHA1

d6769b8a44d5ee391e35dfa8d9d64013fa4be1fa
SHA256

53cd7a4bb97406de77324241f745145da9093b63874a9ece5d890bf6d5d17235
SHA512

891032ccf49fe6d8d640fa58651af79c24becdd0f0b6a4ad73a4cb1adddba60a651bc4603c30752dc98ce18dab62ed86330d54ff58f8a6a4eec4214d62211377
SSDEEP

3072:JiN0hRfrzKka3PWhWTZeBD4qc/+eHkdSiykH9OfM/y9SBje7fDYKs6:r1UM/gKjevY

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
4516	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6499f35a4e07dab12865b6d6420d3511.exe	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6499f35a4e07dab12865b6d6420d3511.exe	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6499f35a4e07dab12865b6d6420d3511 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe\" .."	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6499f35a4e07dab12865b6d6420d3511 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe\" .."	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe

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 2 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	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: 33	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
Token: SeIncBasePriorityPrivilege	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4516	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe	94
PID 640 wrote to memory of 4516	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe	94
PID 640 wrote to memory of 4516	640	JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe" "JaffaCakes118_09fdbd509562d4471f5dfdd846ce52b1.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/640-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

Filesize
4KB

Download
memory/640-1-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download
memory/640-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download
memory/640-3-0x00000000745E2000-0x00000000745E3000-memory.dmp

Filesize
4KB

Download
memory/640-4-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads