njrat | 5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:09

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General

Target

38fa74b5c6f3bc1f8061998ae2d881d1.exe
Size

115KB
MD5

38fa74b5c6f3bc1f8061998ae2d881d1
SHA1

7afb1a1e5d6439078dd3b20b178d6de3db22ae46
SHA256

37febdb4fa00c92cbef1b29d01c02d6d9fd8c9239c13d3a89958bcd3fa762702
SHA512

d163d289a0afcc97aa1e0ee36e8daeea5387719494815168e2f605f9fe62db8cf28bdc9a87aa140e69a2a5582b5ed5aeaec910111a345461889219fa19b6e75a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL2:P5eznsjsguGDFqGZ2rDL2

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
2720	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2792	chargeable.exe
2548	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1036	38fa74b5c6f3bc1f8061998ae2d881d1.exe
1036	38fa74b5c6f3bc1f8061998ae2d881d1.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	38fa74b5c6f3bc1f8061998ae2d881d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\38fa74b5c6f3bc1f8061998ae2d881d1.exe"	38fa74b5c6f3bc1f8061998ae2d881d1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2548	2792	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	38fa74b5c6f3bc1f8061998ae2d881d1.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 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe
Token: 33	2548	chargeable.exe
Token: SeIncBasePriorityPrivilege	2548	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2792	1036	38fa74b5c6f3bc1f8061998ae2d881d1.exe	30
PID 1036 wrote to memory of 2792	1036	38fa74b5c6f3bc1f8061998ae2d881d1.exe	30
PID 1036 wrote to memory of 2792	1036	38fa74b5c6f3bc1f8061998ae2d881d1.exe	30
PID 1036 wrote to memory of 2792	1036	38fa74b5c6f3bc1f8061998ae2d881d1.exe	30
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2792 wrote to memory of 2548	2792	chargeable.exe	32
PID 2548 wrote to memory of 2720	2548	chargeable.exe	33
PID 2548 wrote to memory of 2720	2548	chargeable.exe	33
PID 2548 wrote to memory of 2720	2548	chargeable.exe	33
PID 2548 wrote to memory of 2720	2548	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\38fa74b5c6f3bc1f8061998ae2d881d1.exe
"C:\Users\Admin\AppData\Local\Temp\38fa74b5c6f3bc1f8061998ae2d881d1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- 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:2792
- - 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:2548
  - - 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:2720

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

Replay Monitor

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Downloads

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

Filesize
825B

MD5
3b5e0bd6640456a749d9155e6c135727

SHA1
7d985e42e7df8cac3cf7ec917df10b9fbef09a21

SHA256
c362a3d2b661c6066a02fc169faaa1976c2f6160da5837c7e68b7e0f67b794ed

SHA512
b1b669bad519dccab5224c8fcdb13bb2b015e22fd30ba57e92c9cde4480e655f19f0bbb862db5fd87828d2a3ab74c4a6090f36b6358f9eefe5c82e024afe4a3e

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

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

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

Filesize
264B

MD5
77976d2fe518a6417c0d19f0ffa554ca

SHA1
091dffde8207ef392daecd3aba8051eaa959853d

SHA256
38581d3fefadd0ebf9434ff4e33376088062c472beec19e74b3daf184966e801

SHA512
a3e655a8fa3e27a3fe718c8acce2edb3a4339347ff50ab64962d7cb4ae6f9edb66134d56b53bea0150a0ddae3baae1bb252a4fb696eae4d49aa51f927bf8db48

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

Filesize
344B

MD5
b39f3ea7ed7470fb620cfd495fb8270b

SHA1
e6386de4e7f01ac182ea8dd85c51c86e0c7e279f

SHA256
3652a3cc49bddfb18996a602fc89dbf345f3e8308f5b74486b206bf5939d2e40

SHA512
081d72f8002b094e111d2cfd9285a3c3b60108d1fddb7d07e99ceb1972fd06aa092f5e2269168b457b6f0741f5951c6bf5d52cd8c1f35cd8762aa392b938bbbc

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

Filesize
344B

MD5
9fec6f475e3e43ce5edaed7d878d4454

SHA1
f92173a1d66e88040733dff4d3244c6fadf3bcd1

SHA256
40698151d717c22f68f8bee810a6be08469474ac64d9bf44c5347a10ab1edb68

SHA512
c4d4355e477d06a54d575d9903f23b212503b648b0ee9f80bacbaccdcecb5f581bcf2ad1da3f25fac61e41ecf2bb06ab626afb53eaccc761f9181d436efd71f3

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

Filesize
344B

MD5
fa580e114d4f18edccc39f92a5909fe7

SHA1
8c4c36ad9715a86dd542d6e729856b9deadd86cd

SHA256
44fd809095c2e2255c6a6712d9911e43e4e8333c731bd43f548a7d75b928d978

SHA512
f819c4cdbe8f5a8cd21c67373d4b1a7508673753d74f40771d5ec1d25aa3958233f3b308b1ff0ded91c66bc630dcc0ab41b3f3460e7b93719fc30230568e4525

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab99D1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar99E4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAF42.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
115KB

MD5
acd012c08ad7d0160a2eed378ceca486

SHA1
c9973d5b33607a95a6cead416cf7b52ac140fed9

SHA256
c78de191a68ef936581f005f6e4c6390395f85d221346669a19b77e637cc0f05

SHA512
49419e7beb21717dd25dcf0055ee2dc6b697b26bb4bd856545d1a2a9ac2111a49c50d2dc0b37177fda58c2aef67d240e0c0854302bfadd4ecff2c10fcf66f013

Download Submit
memory/1036-178-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1036-181-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1036-192-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1036-0-0x0000000074641000-0x0000000074642000-memory.dmp

Filesize
4KB

Download
memory/1036-16-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1036-1-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/2548-362-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2548-361-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2548-359-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads