njrat | 5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
147s
max time network
149s
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

39813551d3b3ee13a718ee63b2d63dec.exe
Size

115KB
MD5

39813551d3b3ee13a718ee63b2d63dec
SHA1

a6c982cb46fa939c2ac5d362a6c2b776a0decf8f
SHA256

ad75e44f4d7865222cf484b4947e354c21b55b8533fb06147520ce40e014f541
SHA512

f1743c457774f372795d980316b5a24cfb90e991a7537c2da0843e27b5344576ef4d20b0537d61377242131d529472bf4a5114312608b61bb922abf5841b427a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMW:P5eznsjsguGDFqGZ2rW

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
1852	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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	39813551d3b3ee13a718ee63b2d63dec.exe

Executes dropped EXE 2 IoCs

pid	Process
4660	chargeable.exe
1156	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-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	39813551d3b3ee13a718ee63b2d63dec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\39813551d3b3ee13a718ee63b2d63dec.exe"	39813551d3b3ee13a718ee63b2d63dec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 1156	4660	chargeable.exe	96

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39813551d3b3ee13a718ee63b2d63dec.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 4660	3696	39813551d3b3ee13a718ee63b2d63dec.exe	89
PID 3696 wrote to memory of 4660	3696	39813551d3b3ee13a718ee63b2d63dec.exe	89
PID 3696 wrote to memory of 4660	3696	39813551d3b3ee13a718ee63b2d63dec.exe	89
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 4660 wrote to memory of 1156	4660	chargeable.exe	96
PID 1156 wrote to memory of 1852	1156	chargeable.exe	101
PID 1156 wrote to memory of 1852	1156	chargeable.exe	101
PID 1156 wrote to memory of 1852	1156	chargeable.exe	101

C:\Users\Admin\AppData\Local\Temp\39813551d3b3ee13a718ee63b2d63dec.exe
"C:\Users\Admin\AppData\Local\Temp\39813551d3b3ee13a718ee63b2d63dec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3696
- 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:4660
- - 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:1156
  - - 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:1852

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
75deb3d4966311cf6ae82f63cab9ae1c

SHA1
73cdb57fb27e0e88d785beb0d4b1eb329c797074

SHA256
edd9f1c2e5004082f43022d36469ce4df71d11b2d1bb538607adf34563780629

SHA512
51872a8fe9c5e7a3b79b02e62de3475cc6c343ad14892b0ce525f4ab9884256fedb21a3281c3d3e647e25b2ce0bcedac2a9bf4e66b39b321bbfbe637e2786077

Download Submit
memory/1156-31-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/1156-32-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/1156-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1156-28-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/1156-30-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-7-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-20-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-19-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-0-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/3696-6-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/3696-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3696-1-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4660-22-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4660-23-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4660-21-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4660-29-0x0000000075430000-0x00000000759E1000-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