njrat | aff3e08b50336ce6a1cfe39c45d32d918dc6f190662aef666addb193f44d47a8

Analysis

max time kernel
146s
max time network
150s
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, 06:13

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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
3248	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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	763e7e37205e869689cbe8e9ba0a36c3.exe

Executes dropped EXE 3 IoCs

pid	Process
1532	chargeable.exe
3316	chargeable.exe
3856	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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	763e7e37205e869689cbe8e9ba0a36c3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\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 1532 set thread context of 3316	1532	chargeable.exe	99
PID 1532 set thread context of 3856	1532	chargeable.exe	98

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

Program crash 1 IoCs

pid	pid_target	Process
3020	3856	WerFault.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	763e7e37205e869689cbe8e9ba0a36c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe
Token: 33	3316	chargeable.exe
Token: SeIncBasePriorityPrivilege	3316	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 5360 wrote to memory of 1532	5360	763e7e37205e869689cbe8e9ba0a36c3.exe	95
PID 5360 wrote to memory of 1532	5360	763e7e37205e869689cbe8e9ba0a36c3.exe	95
PID 5360 wrote to memory of 1532	5360	763e7e37205e869689cbe8e9ba0a36c3.exe	95
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3316	1532	chargeable.exe	99
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 1532 wrote to memory of 3856	1532	chargeable.exe	98
PID 3316 wrote to memory of 3248	3316	chargeable.exe	103
PID 3316 wrote to memory of 3248	3316	chargeable.exe	103
PID 3316 wrote to memory of 3248	3316	chargeable.exe	103

C:\Users\Admin\AppData\Local\Temp\763e7e37205e869689cbe8e9ba0a36c3.exe
"C:\Users\Admin\AppData\Local\Temp\763e7e37205e869689cbe8e9ba0a36c3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5360
- 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:1532
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 80
      4⤵
      Program crash
      PID:3020
- - 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:3316
  - - 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:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3856 -ip 3856
1⤵
PID:6056

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
97KB

MD5
aeeb1248b2f94f7ae802434506b4dcf4

SHA1
342ef9f656f8696d956838f0056856b998bc89fa

SHA256
12314c1effcd655ed86d1a1639b7e0852649eb4b759d5921b4a96a7b93057539

SHA512
68e2452aa8022077fd3492870e34606f6d2e79ccba670f47023d66fa7857197dcfa3bafa9fdde96abafc1755a0cb8e722a936d54b5432f2ece27b1f834ef426d

Download Submit
memory/1532-20-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/1532-30-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/1532-22-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/1532-21-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/3316-32-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/3316-31-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/3316-29-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/3316-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3316-33-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/5360-19-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/5360-7-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/5360-6-0x0000000075132000-0x0000000075133000-memory.dmp

Filesize
4KB

Download
memory/5360-2-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/5360-1-0x0000000075130000-0x00000000756E1000-memory.dmp

Filesize
5.7MB

Download
memory/5360-0-0x0000000075132000-0x0000000075133000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads