njrat | 6681cb73deb0effc4f44f704c6bddb07e98c1f8da4c8478cca7ddd49abdb0c3f

Analysis

max time kernel
146s
max time network
165s
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, 06:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
3860	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	1a9cd1714a3e518cfd51f84f1be819bf.exe

Executes dropped EXE 2 IoCs

pid	Process
4736	chargeable.exe
4868	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"	1a9cd1714a3e518cfd51f84f1be819bf.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\\1a9cd1714a3e518cfd51f84f1be819bf.exe"	1a9cd1714a3e518cfd51f84f1be819bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 4868	4736	chargeable.exe	94

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	1a9cd1714a3e518cfd51f84f1be819bf.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	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe
Token: 33	4868	chargeable.exe
Token: SeIncBasePriorityPrivilege	4868	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 4736	1172	1a9cd1714a3e518cfd51f84f1be819bf.exe	89
PID 1172 wrote to memory of 4736	1172	1a9cd1714a3e518cfd51f84f1be819bf.exe	89
PID 1172 wrote to memory of 4736	1172	1a9cd1714a3e518cfd51f84f1be819bf.exe	89
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4736 wrote to memory of 4868	4736	chargeable.exe	94
PID 4868 wrote to memory of 3860	4868	chargeable.exe	97
PID 4868 wrote to memory of 3860	4868	chargeable.exe	97
PID 4868 wrote to memory of 3860	4868	chargeable.exe	97

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:1172
- 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:4736
- - 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:4868
  - - 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:3860

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

Replay Monitor

Loading Replay Monitor...

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
04298def7d2ae8acb8ba44e0657381ed

SHA1
9b15f92468bdf4c49bb27d67b3dd4aa131359517

SHA256
728a4e65086186d13d50ecc219d935a23b9737a0419b2fb995634beea8d64cd6

SHA512
db0778a6e35ed62f7ccf2cd43e9e7da58937bed53e654ce7cc3dc397a800b8d390d626dc038fb7892203499933e52e3ac0d3ec49160e7179a2b02bfa98c1c702

Download Submit
memory/1172-1-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1172-2-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1172-7-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1172-6-0x0000000074E72000-0x0000000074E73000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1172-19-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1172-0-0x0000000074E72000-0x0000000074E73000-memory.dmp

Filesize
4KB

Download
memory/4736-21-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4736-22-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4736-28-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4736-23-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4868-29-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4868-31-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4868-30-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/4868-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4868-32-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads