njrat | 87a62cc18156525f997087f7958522a16815fb481db9a5db7d78ea9dc3ca2633

Analysis

max time kernel
142s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
01/05/2025, 07:29

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General

Target
d5f8232ce15b074ca41267d25af8e0ef.exe
Size 97KB
Sample250501-jbbdea1thv
SHA256 87a62cc18156525f997087f7958522a16815fb481db9a5db7d78ea9dc3ca2633
MD5 d5f8232ce15b074ca41267d25af8e0ef
SHA1 120709495a1b4677890106433b7279201816a31a
SHA512 9e3512284623620e35c572f07184e38215c5ff9523b293cb57b9fa81aeb74e093af94af869ec2cb25f63da7e99babb1efb6cdcc778bbe9a468d7b594c46b43b1
SSDEEP 1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT48:d5eznsjsguGDFqG8
MD5 SHA1 SHA512 SSDEEP

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
1020	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
5096	chargeable.exe
4168	chargeable.exe
5000	chargeable.exe
708	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-1-5-21-2211465213-323295031-1970282057-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	d5f8232ce15b074ca41267d25af8e0ef.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2211465213-323295031-1970282057-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d5f8232ce15b074ca41267d25af8e0ef.exe"	d5f8232ce15b074ca41267d25af8e0ef.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 4168	5096	chargeable.exe	91
PID 5000 set thread context of 708	5000	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5f8232ce15b074ca41267d25af8e0ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5f8232ce15b074ca41267d25af8e0ef.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe
Token: 33	4168	chargeable.exe
Token: SeIncBasePriorityPrivilege	4168	chargeable.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 5096	4420	cmd.exe	87
PID 4420 wrote to memory of 5096	4420	cmd.exe	87
PID 4420 wrote to memory of 5096	4420	cmd.exe	87
PID 3780 wrote to memory of 2480	3780	cmd.exe	90
PID 3780 wrote to memory of 2480	3780	cmd.exe	90
PID 3780 wrote to memory of 2480	3780	cmd.exe	90
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 5096 wrote to memory of 4168	5096	chargeable.exe	91
PID 2408 wrote to memory of 5000	2408	d5f8232ce15b074ca41267d25af8e0ef.exe	92
PID 2408 wrote to memory of 5000	2408	d5f8232ce15b074ca41267d25af8e0ef.exe	92
PID 2408 wrote to memory of 5000	2408	d5f8232ce15b074ca41267d25af8e0ef.exe	92
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 5000 wrote to memory of 708	5000	chargeable.exe	93
PID 4168 wrote to memory of 1020	4168	chargeable.exe	94
PID 4168 wrote to memory of 1020	4168	chargeable.exe	94
PID 4168 wrote to memory of 1020	4168	chargeable.exe	94

C:\Users\Admin\AppData\Local\Temp\d5f8232ce15b074ca41267d25af8e0ef.exe
"C:\Users\Admin\AppData\Local\Temp\d5f8232ce15b074ca41267d25af8e0ef.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- 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:5000
- - 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
    PID:708

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4420
- 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:5096
- - 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:4168
  - - 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:1020

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\d5f8232ce15b074ca41267d25af8e0ef.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\d5f8232ce15b074ca41267d25af8e0ef.exe
  C:\Users\Admin\AppData\Local\Temp\d5f8232ce15b074ca41267d25af8e0ef.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2480

Network

MITRE ATT&CK Enterprise v16

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

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c4c6e7ef90b460bf232e55933594a95ba4a2d156fa5accb06d1c7c2f817fcf35
MD5 120bfac9d59228edf92ec26d4bbfaf9e
SHA1 bc36d828b7f358671ef0cb934c4ab2fdfb02b447
SHA512 684f086ff7d41d85782b21f5bc7e79584f5866f3c06eabbca2c5a697c1d142aa81e0dc25c78be978ba67e9e6fc014f3b62d1da114dc1bb009c7637491a619137
MD5 SHA1 SHA512

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 97KB
SHA256 485190c23f0c27fce2a66c97902e818fe6c1ebfa1f9f507e23b9f37492a6c0b2
MD5 876b336aac529d0a4ab297e1f7e29344
SHA1 88a3c10262740a5336fd207ea9ebad4c45db65fd
SHA512 1db95df6e0109212a5528c46aa3ac8addc717af491c866b29c75112ad94dcad895f27760b1054cecd9e19b4b829ecc5ef3b943341ff0ffceb7089060921cf0c6
SSDEEP 1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4j:d5eznsjsguGDFqGj
MD5 SHA1 SHA512 SSDEEP

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memory/2408-0-0x00000000752B1000-0x00000000752B2000-memory.dmp

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memory/2408-1-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2408-2-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2408-22-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2408-10-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2408-14-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2480-12-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2480-13-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2480-11-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/2480-24-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/4168-15-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/5096-9-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/5096-19-0x00000000752B0000-0x0000000075861000-memory.dmp

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memory/5096-8-0x00000000752B0000-0x0000000075861000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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