njrat | 5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/10/2024, 13:13

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General

Target

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
Size

119KB
MD5

b3d02d9163f80063ca0cdabc9787d750
SHA1

f98ad95d0bf597b9d049c2b1acec2a683aa12136
SHA256

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac
SHA512

1dce4e3da371d605466fbf0c76d2ca54dd74e6f88455821f0ead41b508cb3ef85530b279072b28b058cb4c78051d7ac0071d18b272c342c4d0f69248209f676b
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgOP:P5eznsjsguGDFqGZ2rDL14Fge

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
2916	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
1964	chargeable.exe
2392	chargeable.exe
580	chargeable.exe
1044	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 580	1964	chargeable.exe	34
PID 1964 set thread context of 2392	1964	chargeable.exe	33
PID 1964 set thread context of 1044	1964	chargeable.exe	32

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	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.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	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe
Token: 33	580	chargeable.exe
Token: SeIncBasePriorityPrivilege	580	chargeable.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1964	2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	31
PID 2236 wrote to memory of 1964	2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	31
PID 2236 wrote to memory of 1964	2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	31
PID 2236 wrote to memory of 1964	2236	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	31
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 580	1964	chargeable.exe	34
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 2392	1964	chargeable.exe	33
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 1964 wrote to memory of 1044	1964	chargeable.exe	32
PID 580 wrote to memory of 2916	580	chargeable.exe	35
PID 580 wrote to memory of 2916	580	chargeable.exe	35
PID 580 wrote to memory of 2916	580	chargeable.exe	35
PID 580 wrote to memory of 2916	580	chargeable.exe	35

C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
"C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- 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:1964
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:1044
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2392
- - 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:580
  - - 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:2916

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
f0cf5b1794eca7cd73f9c020daab8ef2

SHA1
cd040b212f8cd90e629e7acefd14972b68e575ea

SHA256
2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

SHA512
55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
8a33d61fcb9569a1267d28fafc6a9597

SHA1
19143978d2af727f4d2e1a3464cebb482f257afc

SHA256
deaad3e710b78e4781e4c203b45a686d929d92a2740adb660ce53cf306c7d817

SHA512
72c64fd00a600b906a6a59fd15ef33d3cc15c05219fbc42eb81bf1bff7ffd2591cad46634f9b5196c968e21ea2b4d3b3beda39189f7917f2cace63a2b415bb9c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1b9cab5104785331f1e066b21b8769a7

SHA1
164ff01b4010b45b5ae0d6bf221962d9d8ee250d

SHA256
6e853eb20692e11f66fca4516179c67e055d7eaac78aa20f109f8a4e6d1fc4ae

SHA512
307766e10e59bab5cc57f964f6c537697caa6069111bf0ab5e3e5be05f9f1051bb4805f820ae79f5a5575b0a7cd5716c5ff5bb2a294a205b7c03509b948cd706

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
713e08b18147f5aa3d7de8d64192e79f

SHA1
ecf765c3cddefe2d1be008d338f1e68fbd5fa1b9

SHA256
321817659bef8423b4aac18e1450b8d3dd877b78a199532918f0f9b5d8ac78c0

SHA512
5b6e74e36ee77ed0dee6621a78e15acb080b221f468d1500affa9a9c5f84267a8626c4a84d0a53e5790d8f82f08f0f4df1f03c38c7d867e239df5ca307fce022

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
21e8e8703a8c7a96403eb6b5045b3650

SHA1
7c173f433d08914b0dca93a487d05c5870f7186a

SHA256
8d138abc11b200dcbd8b2011127037406db96f0b1b9ab1744472c236319f29ba

SHA512
0a9a52093d53b2a68a9ea2de564f2eaf33ffc9185bfb653c72eb20c8f3ddbf38fede6e487506dab9e60a3f4f2f35129aae6b139067cbe566871f616a503e6623

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBA9A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBAAD.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
119KB

MD5
8fcdb92503829c3994545a6a5b6c31a7

SHA1
a82331bd40c5d0a5b0a365c8d50aae13303daed8

SHA256
8f743967f18f20063b3cca2d0a81a494eb660616fabce9d808bd4ff888c7e7c2

SHA512
a0d44c2740449a6d8a7ee92190b8c7f43fd4a69eeabc9f923b3bda71039d298050db3121e09b7a61f2f7c53229bd29e8fde1a5bf3c40a83565931f235fe111c4

Download Submit
memory/580-342-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/580-349-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/580-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2236-191-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-165-0x0000000073E00000-0x00000000743AB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-0-0x0000000073E01000-0x0000000073E02000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x0000000073E00000-0x00000000743AB000-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