njrat | aff3e08b50336ce6a1cfe39c45d32d918dc6f190662aef666addb193f44d47a8

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:13

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General

Target

763e7e37205e869689cbe8e9ba0a36c3.exe
Size

97KB
MD5

763e7e37205e869689cbe8e9ba0a36c3
SHA1

4bf516ad4dd57fbb26657b1436f00478ef762d77
SHA256

deafea3265495b718929607ad1d1ee8ba57a4aa9ecbaceaa88a8d7745924ef35
SHA512

e067f84a3d9cd7fc886a7bd8ed15f764db46e63047ea3b899cb91ed4a1e806e936559dbb211e852175e4295b2d1748bbbb11056391fa8bfb9d82d3eab07d2f11
SSDEEP

1536:MYxlY23kGwgMBUQGum2U8aVCguHEvQEbFeDVC3woFRKpTdeh:DlY23kg3sguGDFaXeh

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1072	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
2420	chargeable.exe
2496	chargeable.exe
2736	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2908	763e7e37205e869689cbe8e9ba0a36c3.exe
2908	763e7e37205e869689cbe8e9ba0a36c3.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	763e7e37205e869689cbe8e9ba0a36c3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\763e7e37205e869689cbe8e9ba0a36c3.exe"	763e7e37205e869689cbe8e9ba0a36c3.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2496	2420	chargeable.exe	32
PID 2420 set thread context of 2736	2420	chargeable.exe	31

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 4 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	763e7e37205e869689cbe8e9ba0a36c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe
Token: 33	2496	chargeable.exe
Token: SeIncBasePriorityPrivilege	2496	chargeable.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2420	2908	763e7e37205e869689cbe8e9ba0a36c3.exe	30
PID 2908 wrote to memory of 2420	2908	763e7e37205e869689cbe8e9ba0a36c3.exe	30
PID 2908 wrote to memory of 2420	2908	763e7e37205e869689cbe8e9ba0a36c3.exe	30
PID 2908 wrote to memory of 2420	2908	763e7e37205e869689cbe8e9ba0a36c3.exe	30
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2496	2420	chargeable.exe	32
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2420 wrote to memory of 2736	2420	chargeable.exe	31
PID 2496 wrote to memory of 1072	2496	chargeable.exe	33
PID 2496 wrote to memory of 1072	2496	chargeable.exe	33
PID 2496 wrote to memory of 1072	2496	chargeable.exe	33
PID 2496 wrote to memory of 1072	2496	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\763e7e37205e869689cbe8e9ba0a36c3.exe
"C:\Users\Admin\AppData\Local\Temp\763e7e37205e869689cbe8e9ba0a36c3.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2736
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2496
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1072

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

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
97KB

MD5
13e3f9fd4146d8dab7d247e57535fb1a

SHA1
18314aaf79d2908ebcd9287e14793d1fc1f9862a

SHA256
c5252de4b531686748327596f830b6c3711e8c458bcf48ffb1cfa9b8f263f065

SHA512
0727dfe73f8606546d31df8b47545da239c8e7ac68ec20c3940f602190694c21c97097a1fc744357f8cfc579133f3b7d6fd09a141f2b9e2cf118f5f918349f2c

Download Submit
memory/2420-17-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-18-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-25-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2496-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2496-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2908-0-0x0000000074ED1000-0x0000000074ED2000-memory.dmp

Filesize
4KB

Download
memory/2908-1-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-2-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-6-0x0000000074ED0000-0x000000007547B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-16-0x0000000074ED0000-0x000000007547B000-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