njrat | 6681cb73deb0effc4f44f704c6bddb07e98c1f8da4c8478cca7ddd49abdb0c3f

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:17

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General

Target

1a9cd1714a3e518cfd51f84f1be819bf.exe
Size

115KB
MD5

1a9cd1714a3e518cfd51f84f1be819bf
SHA1

61dbf2e64f209b08894c7fb36169cdaef3a34c81
SHA256

0656c6824990738c6f682fa090842ef42c20b11e68e1857fa3a8d8111248de0e
SHA512

264e230d6609570a14e5db8a573f64ef1caa82f8c10d1c8f7e2dad31e4b3f8ee7764ca19d23a3e4476b4bf0f7ccd180a8097fa1d92a7fc58e79a0f78987ffe53
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIP:P5eznsjsguGDFqGZ2rDIP

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
3720	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-1-5-21-3446877943-4095308722-756223633-1000\Control Panel\International\Geo\Nation	1a9cd1714a3e518cfd51f84f1be819bf.exe

Executes dropped EXE 4 IoCs

pid	Process
976	chargeable.exe
5024	chargeable.exe
1088	chargeable.exe
3016	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-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a9cd1714a3e518cfd51f84f1be819bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a9cd1714a3e518cfd51f84f1be819bf.exe"	1a9cd1714a3e518cfd51f84f1be819bf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 976 set thread context of 5024	976	chargeable.exe	103
PID 976 set thread context of 1088	976	chargeable.exe	102
PID 976 set thread context of 3016	976	chargeable.exe	101

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process
772	1088	WerFault.exe
2576	3016	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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a9cd1714a3e518cfd51f84f1be819bf.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe
Token: 33	5024	chargeable.exe
Token: SeIncBasePriorityPrivilege	5024	chargeable.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 976	3344	1a9cd1714a3e518cfd51f84f1be819bf.exe	99
PID 3344 wrote to memory of 976	3344	1a9cd1714a3e518cfd51f84f1be819bf.exe	99
PID 3344 wrote to memory of 976	3344	1a9cd1714a3e518cfd51f84f1be819bf.exe	99
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 5024	976	chargeable.exe	103
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 1088	976	chargeable.exe	102
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 976 wrote to memory of 3016	976	chargeable.exe	101
PID 5024 wrote to memory of 3720	5024	chargeable.exe	110
PID 5024 wrote to memory of 3720	5024	chargeable.exe	110
PID 5024 wrote to memory of 3720	5024	chargeable.exe	110

C:\Users\Admin\AppData\Local\Temp\1a9cd1714a3e518cfd51f84f1be819bf.exe
"C:\Users\Admin\AppData\Local\Temp\1a9cd1714a3e518cfd51f84f1be819bf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- 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:976
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 80
      4⤵
      Program crash
      PID:2576
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:1088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 80
      4⤵
      Program crash
      PID:772
- - 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:5024
  - - 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:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3016 -ip 3016
1⤵
PID:5588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1088 -ip 1088
1⤵
PID:556

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
9c128ec6111b20f64d7dd0d7cbc1261f

SHA1
e3572f7846f7411a5680677dc2dc065740874a39

SHA256
2736418dd3b86592668eb3a2057b6cd4048739d23754a7519e394677ef955181

SHA512
046e35d22185d04f4be1fe9f737c9d0c97073ba1f4cdbd092cda444cf1c166b41b62033e8fed7fc3b98901f73bcc1850b0d7957d5c848f8278cc066eb9d8c90c

Download Submit
memory/976-32-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/976-22-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/976-20-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/976-21-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3344-19-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3344-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3344-6-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/3344-7-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3344-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/3344-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/5024-31-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/5024-33-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/5024-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5024-34-0x00000000749D0000-0x0000000074F81000-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