njrat | 5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1

Analysis

max time kernel
113s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 02:22

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General

Target

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Size

114KB
MD5

01147c2d8d629fb6a6902102f2513f01
SHA1

21dbf1fa09d529fc00a598567449ca09f059f0ec
SHA256

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1
SHA512

0a7f6087ca037036c6295ddecc121a7d9c244a81da12515f16b6db81454a84a4f68054a6533bd0ea6fbf05131c26f679f9332b9b2d50d002669b434ae3a8c433
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vry:w5eznsjsguGDFqGx8egoxmO3rvm

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
1512	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
1908	chargeable.exe
2236	chargeable.exe
2380	chargeable.exe
2008	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 2236	1908	chargeable.exe	31
PID 1908 set thread context of 2380	1908	chargeable.exe	30
PID 1908 set thread context of 2008	1908	chargeable.exe	29

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe
Token: 33	2236	chargeable.exe
Token: SeIncBasePriorityPrivilege	2236	chargeable.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 1908	1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	28
PID 1364 wrote to memory of 1908	1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	28
PID 1364 wrote to memory of 1908	1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	28
PID 1364 wrote to memory of 1908	1364	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	28
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2236	1908	chargeable.exe	31
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2380	1908	chargeable.exe	30
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 1908 wrote to memory of 2008	1908	chargeable.exe	29
PID 2236 wrote to memory of 1512	2236	chargeable.exe	34
PID 2236 wrote to memory of 1512	2236	chargeable.exe	34
PID 2236 wrote to memory of 1512	2236	chargeable.exe	34
PID 2236 wrote to memory of 1512	2236	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
"C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364
- 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:1908
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2008
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2380
- - 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:2236
  - - 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:1512

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

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

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

Filesize
114KB

MD5
c8ea05d4e8b22fe35ed9da950accf45f

SHA1
318f4e0f3f469b81fc1b397313aacd7645901185

SHA256
d739d170c056b4eb1a832e2b858902ae66c1bb6a8a952345954a30596a4228ee

SHA512
7092bc59e0853ebc5aee7616eb3c22e9d6d49d60c57a0fd1da72f866d1d13fe08565df42f20bf942669d0434ad89a3500feb3f605450f6bef340feeeebdb8a2e

Download Submit
memory/1364-0-0x0000000074921000-0x0000000074922000-memory.dmp

Filesize
4KB

Download
memory/1364-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-2-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-15-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1908-17-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1908-18-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1908-16-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1908-19-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1908-30-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2236-27-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2236-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads