njrat | 5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:09

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General

Target

38fa74b5c6f3bc1f8061998ae2d881d1.exe
Size

115KB
MD5

38fa74b5c6f3bc1f8061998ae2d881d1
SHA1

7afb1a1e5d6439078dd3b20b178d6de3db22ae46
SHA256

37febdb4fa00c92cbef1b29d01c02d6d9fd8c9239c13d3a89958bcd3fa762702
SHA512

d163d289a0afcc97aa1e0ee36e8daeea5387719494815168e2f605f9fe62db8cf28bdc9a87aa140e69a2a5582b5ed5aeaec910111a345461889219fa19b6e75a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL2:P5eznsjsguGDFqGZ2rDL2

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
3516	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	38fa74b5c6f3bc1f8061998ae2d881d1.exe

Executes dropped EXE 2 IoCs

pid	Process
2060	chargeable.exe
5788	chargeable.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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	38fa74b5c6f3bc1f8061998ae2d881d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\38fa74b5c6f3bc1f8061998ae2d881d1.exe"	38fa74b5c6f3bc1f8061998ae2d881d1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 5788	2060	chargeable.exe	97

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38fa74b5c6f3bc1f8061998ae2d881d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe
Token: 33	5788	chargeable.exe
Token: SeIncBasePriorityPrivilege	5788	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2060	5112	38fa74b5c6f3bc1f8061998ae2d881d1.exe	95
PID 5112 wrote to memory of 2060	5112	38fa74b5c6f3bc1f8061998ae2d881d1.exe	95
PID 5112 wrote to memory of 2060	5112	38fa74b5c6f3bc1f8061998ae2d881d1.exe	95
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 2060 wrote to memory of 5788	2060	chargeable.exe	97
PID 5788 wrote to memory of 3516	5788	chargeable.exe	98
PID 5788 wrote to memory of 3516	5788	chargeable.exe	98
PID 5788 wrote to memory of 3516	5788	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\38fa74b5c6f3bc1f8061998ae2d881d1.exe
"C:\Users\Admin\AppData\Local\Temp\38fa74b5c6f3bc1f8061998ae2d881d1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- 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:2060
- - 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:5788
  - - 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:3516

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

Query Registry

T1012

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
115KB

MD5
91648588269b89b78fc3f7fad34a4807

SHA1
352a48a8452b13a17c9862773840c5dfc00676af

SHA256
04a214abb3e4bd513d93b6914219d0250bc7963cc6673c7c429a8e2937d69691

SHA512
6eb710a4d00a31fa807a94f81f21c33bd6985cdd3442a876761f32a70415c26edee92537df3eae96da68765ccabfdc397ce81f4c45de1ed5ba25773ab4667c73

Download Submit
memory/2060-22-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/2060-23-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/2060-28-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/2060-21-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5112-20-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5112-19-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5112-0-0x0000000074BA2000-0x0000000074BA3000-memory.dmp

Filesize
4KB

Download
memory/5112-6-0x0000000074BA2000-0x0000000074BA3000-memory.dmp

Filesize
4KB

Download
memory/5112-2-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5112-1-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5112-7-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5788-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5788-29-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5788-30-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/5788-31-0x0000000074BA0000-0x0000000075151000-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