njrat | 894a461e0d709023ba6ec45f748b38a79ae12cf398702244ef2ffa93dd644133

Analysis

max time kernel
147s
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, 06:15

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General

Target

ac52997095c1fc0e096be9465a15df5e.exe
Size

115KB
MD5

ac52997095c1fc0e096be9465a15df5e
SHA1

6d09ddfb42ef998009d4adef84c03384bcad7a00
SHA256

fa9bf6ee9b2b7008afd2836f4c231d18f20aa612bffbe7e05fa912294cc01b40
SHA512

68cc5a9b14a927881a8bedf16a325fa27d0496d6e8b581d6d41c009e64ce3ceda6a781ab75bf875cf00fa39a8d1a26951fbf4932ca35d7cca18af4d575088570
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDQgY:P5eznsjsguGDFqGZ2rDtY

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
5152	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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	ac52997095c1fc0e096be9465a15df5e.exe

Executes dropped EXE 2 IoCs

pid	Process
5600	chargeable.exe
5128	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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	ac52997095c1fc0e096be9465a15df5e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac52997095c1fc0e096be9465a15df5e.exe"	ac52997095c1fc0e096be9465a15df5e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5600 set thread context of 5128	5600	chargeable.exe	93

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	ac52997095c1fc0e096be9465a15df5e.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	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe
Token: 33	5128	chargeable.exe
Token: SeIncBasePriorityPrivilege	5128	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 5600	3584	ac52997095c1fc0e096be9465a15df5e.exe	91
PID 3584 wrote to memory of 5600	3584	ac52997095c1fc0e096be9465a15df5e.exe	91
PID 3584 wrote to memory of 5600	3584	ac52997095c1fc0e096be9465a15df5e.exe	91
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5600 wrote to memory of 5128	5600	chargeable.exe	93
PID 5128 wrote to memory of 5152	5128	chargeable.exe	95
PID 5128 wrote to memory of 5152	5128	chargeable.exe	95
PID 5128 wrote to memory of 5152	5128	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\ac52997095c1fc0e096be9465a15df5e.exe
"C:\Users\Admin\AppData\Local\Temp\ac52997095c1fc0e096be9465a15df5e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584
- 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:5600
- - 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:5128
  - - 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:5152

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
c03e23818fbb3f734dee21885b2f5e68

SHA1
337abfa4d4bbe23346af630e61635022990c14b7

SHA256
963f1e82a736e46fbc9f6f911786c17722080d78ac0beaefa91bc3d06d9f2104

SHA512
9f5d30e5c63faa14cc178394c22134b51db556aa46278c140094bbcaac30b22e9f432d5e7b4517dede56ec7ba950874eb0270949d140e5f596aee43bdeb98420

Download Submit
memory/3584-7-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/3584-1-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/3584-0-0x00000000750E2000-0x00000000750E3000-memory.dmp

Filesize
4KB

Download
memory/3584-2-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/3584-19-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/3584-20-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/3584-6-0x00000000750E2000-0x00000000750E3000-memory.dmp

Filesize
4KB

Download
memory/5128-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5128-29-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5128-30-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5128-31-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5600-22-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5600-23-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5600-21-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5600-28-0x00000000750E0000-0x0000000075691000-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