njrat | 14cfc755a46bfad1af048584d599344cc9043f20ff6727c04901bc5cb585521b

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 18:16

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General

Target

JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
Size

439KB
MD5

6e8c46674f223379c3ed11dd5dc9f2c0
SHA1

5e17cc2788fc4a909ee65b102ac33e66aff3f34c
SHA256

14cfc755a46bfad1af048584d599344cc9043f20ff6727c04901bc5cb585521b
SHA512

902f581ea4506f3cdebe64cee161a789fd578e2e88fb831c87ffcf20a9ebfaa645ee9ea6ad601a9730a9efba3f31efbeb833a2777a3d7c917914bd3c69601596
SSDEEP

3072:qzQ7tyn3XA5GskpIZWWH2iWZ2bcmkgfX9Dv01x12:vta3iGskpIPW52b9k8XWj

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

maxxrocker.dlinkddns.com:80

Mutex

ba07a9c5c9c406a4294ab8bfe0b42da4

Attributes

reg_key
ba07a9c5c9c406a4294ab8bfe0b42da4
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
2952	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba07a9c5c9c406a4294ab8bfe0b42da4.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba07a9c5c9c406a4294ab8bfe0b42da4.exe	server.exe

Executes dropped EXE 2 IoCs

pid	Process
2552	server.exe
2052	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2676	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
2552	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba07a9c5c9c406a4294ab8bfe0b42da4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ba07a9c5c9c406a4294ab8bfe0b42da4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2552 set thread context of 2052	2552	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	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.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	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
Token: SeDebugPrivilege	2552	server.exe
Token: SeDebugPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe
Token: 33	2052	server.exe
Token: SeIncBasePriorityPrivilege	2052	server.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2780 wrote to memory of 2676	2780	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	30
PID 2676 wrote to memory of 2552	2676	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	31
PID 2676 wrote to memory of 2552	2676	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	31
PID 2676 wrote to memory of 2552	2676	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	31
PID 2676 wrote to memory of 2552	2676	JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe	31
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2552 wrote to memory of 2052	2552	server.exe	32
PID 2052 wrote to memory of 2952	2052	server.exe	33
PID 2052 wrote to memory of 2952	2052	server.exe	33
PID 2052 wrote to memory of 2952	2052	server.exe	33
PID 2052 wrote to memory of 2952	2052	server.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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:2552
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2052
    - - 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:2952

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
439KB

MD5
6e8c46674f223379c3ed11dd5dc9f2c0

SHA1
5e17cc2788fc4a909ee65b102ac33e66aff3f34c

SHA256
14cfc755a46bfad1af048584d599344cc9043f20ff6727c04901bc5cb585521b

SHA512
902f581ea4506f3cdebe64cee161a789fd578e2e88fb831c87ffcf20a9ebfaa645ee9ea6ad601a9730a9efba3f31efbeb833a2777a3d7c917914bd3c69601596

Download Submit
memory/2552-31-0x0000000001040000-0x00000000010B4000-memory.dmp

Filesize
464KB

Download
memory/2676-22-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2676-32-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2676-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2676-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2676-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2780-3-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/2780-21-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-23-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2780-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-1-0x0000000000370000-0x00000000003E4000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads