njrat | 9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511

General

Target

9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
Size

114KB
MD5

d0d346fa85a66e68c2abe1cd76a3a500
SHA1

be68263951fe0464a90963145a932a17b7e251bd
SHA256

9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511
SHA512

c78a94a7ae2455ed9841baa511b4c973f025c04b540e1a372fcc1f0fd41856a5defb355d0bfd1c79c40f76713644f9c336f926869c058105e9f39bf0f4aad0ff
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmW:w5eznsjsguGDFqGx8egoxmO3rRmW

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

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
2880	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2316	chargeable.exe
2780	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe"	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2780	2316	chargeable.exe	31

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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.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	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe
Token: 33	2780	chargeable.exe
Token: SeIncBasePriorityPrivilege	2780	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2316	2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	30
PID 2168 wrote to memory of 2316	2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	30
PID 2168 wrote to memory of 2316	2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	30
PID 2168 wrote to memory of 2316	2168	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	30
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2316 wrote to memory of 2780	2316	chargeable.exe	31
PID 2780 wrote to memory of 2880	2780	chargeable.exe	32
PID 2780 wrote to memory of 2880	2780	chargeable.exe	32
PID 2780 wrote to memory of 2880	2780	chargeable.exe	32
PID 2780 wrote to memory of 2880	2780	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
"C:\Users\Admin\AppData\Local\Temp\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- 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:2316
- - 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:2780
  - - 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:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
114KB

MD5
e0f0b8f461db801f254602f9093a0317

SHA1
6d9d975107b8eb4587c0d551c16c05abac05816d

SHA256
d8fbdc1543886ec16c3aea10b67c76a109a884972b7994ffeef17c5e81317b7d

SHA512
7aedea5520901fa1be0b8193b5e2d26f3db512ce7671d11c8c38112161a667e4cc726bb449f3190c824395cc6e2a1eadc1b1b05a1c034a7177228fcfe17f9c85

Download Submit
memory/2168-18-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-19-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-6-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-1-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-0-0x0000000074801000-0x0000000074802000-memory.dmp

Filesize
4KB

Download
memory/2168-2-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2316-20-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2316-16-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2316-17-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2316-27-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2316-28-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2780-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2780-26-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2780-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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