njrat | 27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eea

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 03:53

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General

Target

27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe
Size

115KB
MD5

baa3cc354ead1c28e8ef30d70f4229e0
SHA1

f1af7c164787c5188e738348ed28b5b7a6a6521b
SHA256

27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eea
SHA512

9d8b315a7e2f04f722e70d379508ee2b9b8a36e09efd3635393b8f43c6bc1a69077d617ceed55ac99ba27b38f8faf6d762bad9680f81ed8e3cffed0f5092a031
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R3:w5eznsjsguGDFqGx8egoxmO3rR3

Score

10^/10

njrat neuf discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2432	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe

Executes dropped EXE 4 IoCs

pid	Process
3332	chargeable.exe
3512	chargeable.exe
3528	chargeable.exe
3684	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe"	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3332 set thread context of 3512	3332	chargeable.exe	99
PID 3332 set thread context of 3528	3332	chargeable.exe	98
PID 3332 set thread context of 3684	3332	chargeable.exe	97

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 2 IoCs

pid	pid_target	Process	procid_target
4528	3684	WerFault.exe	97
712	3528	WerFault.exe	98

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	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3332	2544	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe	92
PID 2544 wrote to memory of 3332	2544	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe	92
PID 2544 wrote to memory of 3332	2544	27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe	92
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3512	3332	chargeable.exe	99
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3528	3332	chargeable.exe	98
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3332 wrote to memory of 3684	3332	chargeable.exe	97
PID 3512 wrote to memory of 2432	3512	chargeable.exe	106
PID 3512 wrote to memory of 2432	3512	chargeable.exe	106
PID 3512 wrote to memory of 2432	3512	chargeable.exe	106

C:\Users\Admin\AppData\Local\Temp\27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe
"C:\Users\Admin\AppData\Local\Temp\27bac3f5b14c8cdb8c04868eb620eb562fb9c0d9e417a138c8b82b5f737b9eeaN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- 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:3332
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3684
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 80
      4⤵
      Program crash
      PID:4528
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 80
      4⤵
      Program crash
      PID:712
- - 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:3512
  - - 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:2432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3684 -ip 3684
1⤵
PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3528 -ip 3528
1⤵
PID:4488

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\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
1771e40ec44eff9a38462d6a59e612b6

SHA1
d8f89ca3146ee7179feb8bcd81cb4824636fca2c

SHA256
609eb48e4c31b167e41641f8bc1fb423e3efa1699e61fc51fc0b2b94ea466575

SHA512
36128ef08ddc967709270950d84548be5d8cf732ab41da4a11bd71ce81c61ce5868e8b7517acd12ae7bcbf4d6fb3503a5b993b68a040ed352d6c8a7a0e360d73

Download Submit
memory/2544-20-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/2544-2-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/2544-6-0x0000000074882000-0x0000000074883000-memory.dmp

Filesize
4KB

Download
memory/2544-7-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/2544-1-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/2544-0-0x0000000074882000-0x0000000074883000-memory.dmp

Filesize
4KB

Download
memory/2544-19-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3332-22-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3332-21-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3332-32-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3512-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3512-30-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3512-31-0x0000000074880000-0x0000000074E31000-memory.dmp

Filesize
5.7MB

Download
memory/3512-33-0x0000000074880000-0x0000000074E31000-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