njrat | 667cb510540d8e7a6cd30007d30a8ca11110dde57bd03d2cbf87ca6b7868bdb9

Analysis

max time kernel
145s
max time network
151s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:18

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General

Target

eea4dcd11b7f7e40bb76cc5d43c0246f.exe
Size

97KB
MD5

eea4dcd11b7f7e40bb76cc5d43c0246f
SHA1

91847b99e1d157c1560e7e1578c8f58bba2297be
SHA256

aec2e4e9a10fca3c6c14da1931179fc80a6176986bc6ff24656a7efa367a53c5
SHA512

5c22f16fe6f9c612fa2a2485c443644bb7dfbc2c601b57a8e74cc53263ea7240aaa1c3ef99aafdfb4db46467113ce31ce269e6dda0ed19b723c19c0529dc7845
SSDEEP

1536:MYxlY23kGwgMBUQGum2U8aVCguHEvQEbFeDVC3woFRKpTded:DlY23kg3sguGDFaXed

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
2876	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2216	chargeable.exe
3060	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2616	eea4dcd11b7f7e40bb76cc5d43c0246f.exe
2616	eea4dcd11b7f7e40bb76cc5d43c0246f.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\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eea4dcd11b7f7e40bb76cc5d43c0246f.exe"	eea4dcd11b7f7e40bb76cc5d43c0246f.exe
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"	eea4dcd11b7f7e40bb76cc5d43c0246f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 3060	2216	chargeable.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 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	eea4dcd11b7f7e40bb76cc5d43c0246f.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	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe
Token: 33	3060	chargeable.exe
Token: SeIncBasePriorityPrivilege	3060	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2216	2616	eea4dcd11b7f7e40bb76cc5d43c0246f.exe	31
PID 2616 wrote to memory of 2216	2616	eea4dcd11b7f7e40bb76cc5d43c0246f.exe	31
PID 2616 wrote to memory of 2216	2616	eea4dcd11b7f7e40bb76cc5d43c0246f.exe	31
PID 2616 wrote to memory of 2216	2616	eea4dcd11b7f7e40bb76cc5d43c0246f.exe	31
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 2216 wrote to memory of 3060	2216	chargeable.exe	32
PID 3060 wrote to memory of 2876	3060	chargeable.exe	33
PID 3060 wrote to memory of 2876	3060	chargeable.exe	33
PID 3060 wrote to memory of 2876	3060	chargeable.exe	33
PID 3060 wrote to memory of 2876	3060	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\eea4dcd11b7f7e40bb76cc5d43c0246f.exe
"C:\Users\Admin\AppData\Local\Temp\eea4dcd11b7f7e40bb76cc5d43c0246f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:2216
- - 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:3060
  - - 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:2876

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
9e3a4344c1af8436410f364681a5fa55

SHA1
942bbf7797adf35b410624cbf38405f8eb611c66

SHA256
46fdd01894442b203fc71de13069ad3378cd7db25700b871f73393710291fd81

SHA512
5f6f5c7f83a44cfce79fcfaa81feaf32ef3547dc20256910d77fef6cdd7bd4965efdd74aee022d16a1a44319dfa3ad32fd7b422a493f79e29f481cafb5b02952

Download Submit
memory/2216-18-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-24-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-17-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-19-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-6-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

Filesize
4KB

Download
memory/2616-2-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-16-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-1-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3060-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3060-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3060-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads