njrat | f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

max time kernel
147s
max time network
152s
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

b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
Size

115KB
MD5

cbb4496a4c6c4c6d08079f060b3f8e14
SHA1

ef6e16c2084be9b0c591707e1aff307ecf62ba71
SHA256

b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2
SHA512

48e0692c88b937574d29b5ef76d85957f776013f2bf6a07683995fe46d9fc1402a4e67f975016dd9de96f7afde784b5fd1511ef647e8b464d4f90c53cf8ee120
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDQgh:P5eznsjsguGDFqGZ2rDth

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
1984	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	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe

Executes dropped EXE 2 IoCs

pid	Process
3728	chargeable.exe
2364	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"	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.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\\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe"	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 2364	3728	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	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.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	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe
Token: 33	2364	chargeable.exe
Token: SeIncBasePriorityPrivilege	2364	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 3728	1892	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	94
PID 1892 wrote to memory of 3728	1892	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	94
PID 1892 wrote to memory of 3728	1892	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	94
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 3728 wrote to memory of 2364	3728	chargeable.exe	96
PID 2364 wrote to memory of 1984	2364	chargeable.exe	98
PID 2364 wrote to memory of 1984	2364	chargeable.exe	98
PID 2364 wrote to memory of 1984	2364	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
"C:\Users\Admin\AppData\Local\Temp\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- 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:3728
- - 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:2364
  - - 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:1984

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
26c9277355819d1cad898c69b3b856b0

SHA1
87ec8e2b6af8247dbf1b52e3cbced86301b744af

SHA256
ac0dc2ef9b2a11669a2f0ef6838bdc9539c87763570387e02fc325b9679e3f8e

SHA512
81482bc53ab1d4893c49ec6729eadd0d82a7f1c477fe3344724a9235cae1d9c3efc1befae5f910050cb6f443752f1bc977ded02a61843fd49e10387e543fcdc2

Download Submit
memory/1892-1-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-2-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-6-0x0000000075042000-0x0000000075043000-memory.dmp

Filesize
4KB

Download
memory/1892-7-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-19-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-20-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-0-0x0000000075042000-0x0000000075043000-memory.dmp

Filesize
4KB

Download
memory/2364-30-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-29-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2364-31-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/3728-22-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/3728-23-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/3728-21-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/3728-28-0x0000000075040000-0x00000000755F1000-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