njrat | 5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
147s
max time network
150s
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

39813551d3b3ee13a718ee63b2d63dec.exe
Size

115KB
MD5

39813551d3b3ee13a718ee63b2d63dec
SHA1

a6c982cb46fa939c2ac5d362a6c2b776a0decf8f
SHA256

ad75e44f4d7865222cf484b4947e354c21b55b8533fb06147520ce40e014f541
SHA512

f1743c457774f372795d980316b5a24cfb90e991a7537c2da0843e27b5344576ef4d20b0537d61377242131d529472bf4a5114312608b61bb922abf5841b427a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMW:P5eznsjsguGDFqGZ2rW

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
3068	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3032	chargeable.exe
2860	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	39813551d3b3ee13a718ee63b2d63dec.exe
2084	39813551d3b3ee13a718ee63b2d63dec.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"	39813551d3b3ee13a718ee63b2d63dec.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\\39813551d3b3ee13a718ee63b2d63dec.exe"	39813551d3b3ee13a718ee63b2d63dec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2860	3032	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	39813551d3b3ee13a718ee63b2d63dec.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3032	2084	39813551d3b3ee13a718ee63b2d63dec.exe	31
PID 2084 wrote to memory of 3032	2084	39813551d3b3ee13a718ee63b2d63dec.exe	31
PID 2084 wrote to memory of 3032	2084	39813551d3b3ee13a718ee63b2d63dec.exe	31
PID 2084 wrote to memory of 3032	2084	39813551d3b3ee13a718ee63b2d63dec.exe	31
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 3032 wrote to memory of 2860	3032	chargeable.exe	32
PID 2860 wrote to memory of 3068	2860	chargeable.exe	33
PID 2860 wrote to memory of 3068	2860	chargeable.exe	33
PID 2860 wrote to memory of 3068	2860	chargeable.exe	33
PID 2860 wrote to memory of 3068	2860	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\39813551d3b3ee13a718ee63b2d63dec.exe
"C:\Users\Admin\AppData\Local\Temp\39813551d3b3ee13a718ee63b2d63dec.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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:3032
- - 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:2860
  - - 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:3068

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
a3391ff5074cfa82a75c12d81f94afcd

SHA1
ac9e3b6cdf892329fe7048af3001ecbc5ead5f22

SHA256
e783145432bcba4cbf7a127ec99a4668c1f1c083cd619476a8e7f8d6f2ef352c

SHA512
a769477cc2b53fe510ca8f533eebf95901705dc12b381e0e26a49a5566fddfc349e0be182129c2d0b1d0af1d2cba679fc9149c4360d702df24875ea7f14010c5

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

Filesize
344B

MD5
95a06087dad649e739ea204370c494e1

SHA1
fe619470740827d61dde06480c4f5c2f4e3281f5

SHA256
e758ba81c61ea9ec5e127f2d8c645030de2850220302852167ad5ab47c3327af

SHA512
8aeb7c2c49d168c8fe5771df2d9d045171347bb7991ada49829cb0d64b775b12e204b38b6325562a2935f18b21c87f6fe9d8fe948386e603025a8b6a1f07c67c

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

Filesize
344B

MD5
e549d25f61fc18fed9be1a8a54744e01

SHA1
ca998a7e7c3bc6c0eb334e8dd3f5d04be3ebd2c9

SHA256
57b7c1fc8b2930befacd0666652969fa64d43f00828face5894eb02c4f97b1e3

SHA512
cd7dbe30d13503b23ed93d73cf8b477d08bf0e904d42d15f849e2bc074b38174229151a6ca81a7f0d579d8b4eaaaa634f0e0b4613aa3c24cafa81f748d2e6459

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

Filesize
344B

MD5
dcc35253ea637373968a6683709c55dd

SHA1
e35903fc7b6b673d47a0c09f8ed3549d63975a77

SHA256
ecad5bb534f981ee0672a62c30fefbce9cec4e4992b34a994d5de87ecbaa5763

SHA512
d23f7b16f79020d734c5f4cb7b8d057793710bf1a76fff5bab93354ca1353a77dce7154dbc788bc316b83311250e4eb1eb5909a87c80635a44f833f37e380d6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD2AC.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD2AF.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD539.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
115KB

MD5
b9f82b8e2f03ee361188e7278676d819

SHA1
de75ff711b853019e52797fd1b0aa9b73b3dbd3f

SHA256
59bd48ac5c5aad7c3aa313b446b2e1d66e71ad2fcf76c751f4763aaa3ae86466

SHA512
250c29441a91a7df8977f842dbee273530e9f520e792fe2aaa41d395fbb46172e894f982d7017bc886600e427cf908a993dc806ae63a45e281d0d3b7f6e08b59

Download Submit
memory/2084-9-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-181-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-0-0x0000000074B91000-0x0000000074B92000-memory.dmp

Filesize
4KB

Download
memory/2084-191-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-1-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2860-361-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-360-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-358-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads