njrat | 7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 04:01

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General

Target

7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
Size

115KB
MD5

c46fc1b56aae0e36290cee4442553270
SHA1

1733836f0eef3041150b26eba87962f9ce4ff7cc
SHA256

7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8
SHA512

7612587ec6acb5cf088a2cdb076d1e8d43058b0c770581900b83ff73932166f31fb7d82c438e16dec6353b37836a3d6a6ec78433329bdaa6dd73b9865d7884bb
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RoG:w5eznsjsguGDFqGx8egoxmO3rRoG

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
724	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe

Executes dropped EXE 6 IoCs

pid	Process
3936	chargeable.exe
1440	chargeable.exe
2564	chargeable.exe
3504	chargeable.exe
4832	chargeable.exe
5112	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe"	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 3936 set thread context of 1440	3936	chargeable.exe	92
PID 3936 set thread context of 2564	3936	chargeable.exe	91
PID 3936 set thread context of 3504	3936	chargeable.exe	90
PID 3936 set thread context of 4832	3936	chargeable.exe	89
PID 3936 set thread context of 5112	3936	chargeable.exe	88

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 4 IoCs

pid	pid_target	Process	procid_target
4988	2564	WerFault.exe	91
3736	3504	WerFault.exe	90
4828	5112	WerFault.exe	88
3168	4832	WerFault.exe	89

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	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.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	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe
Token: 33	1440	chargeable.exe
Token: SeIncBasePriorityPrivilege	1440	chargeable.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 3936	880	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	86
PID 880 wrote to memory of 3936	880	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	86
PID 880 wrote to memory of 3936	880	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	86
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 1440	3936	chargeable.exe	92
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 2564	3936	chargeable.exe	91
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 3504	3936	chargeable.exe	90
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 4832	3936	chargeable.exe	89
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 3936 wrote to memory of 5112	3936	chargeable.exe	88
PID 1440 wrote to memory of 724	1440	chargeable.exe	104
PID 1440 wrote to memory of 724	1440	chargeable.exe	104
PID 1440 wrote to memory of 724	1440	chargeable.exe	104

C:\Users\Admin\AppData\Local\Temp\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
"C:\Users\Admin\AppData\Local\Temp\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880
- 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:3936
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:5112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 80
      4⤵
      Program crash
      PID:4828
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:4832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 80
      4⤵
      Program crash
      PID:3168
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 80
      4⤵
      Program crash
      PID:3736
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 84
      4⤵
      Program crash
      PID:4988
- - 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:1440
  - - 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:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4832 -ip 4832
1⤵
PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3504 -ip 3504
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2564 -ip 2564
1⤵
PID:2848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5112 -ip 5112
1⤵
PID:2820

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
58b61e127ff6e1df6addaf22c69016a6

SHA1
c9babfd7b333fafe94b99be4b8ac952200ca1206

SHA256
992aed10b01e4b0ce9b7857eea580eece0059491682adefcb47881927f8c78c8

SHA512
4c28922e5cd376377b8ea128f1434b82036ef71d5ef7cf40a2e4a47eebbdeacab7afb7087d7b509d5a69ae19974c7aaf5d776b97b9f27d555753ea946238edd8

Download Submit
memory/880-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

Filesize
4KB

Download
memory/880-1-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/880-2-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/880-6-0x00000000752B2000-0x00000000752B3000-memory.dmp

Filesize
4KB

Download
memory/880-7-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/880-20-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/880-19-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-34-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1440-35-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-37-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-38-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-39-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1440-40-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3936-21-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3936-22-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3936-36-0x00000000752B0000-0x0000000075861000-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