njrat | 7ddbec7fac00ec5624f45da5879ebfa97d95b21c7842cbaa1058daa46a47bd41

Analysis

max time kernel
60s
max time network
63s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 19:52

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General

Target

c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
Size

115KB
MD5

4bfc91ad73afd3925f3116fd870c6e65
SHA1

6715e01e71153f24cece377d6be80ed513e0acc2
SHA256

c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297
SHA512

daf2d857a96a5f71f670a0c352b365268df4a4a723a07f9d38c466265239eb30589afd8eed7971d1e8781a129c8c962c316014d4c07e1857352d2a217ad2e240
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI3:P5eznsjsguGDFqGZ2rDI3

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
2064	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2608	chargeable.exe
2660	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.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"	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.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\\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe"	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 2660	2608	chargeable.exe	31

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.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 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	chargeable.exe
Token: 33	2660	chargeable.exe
Token: SeIncBasePriorityPrivilege	2660	chargeable.exe
Token: 33	2660	chargeable.exe
Token: SeIncBasePriorityPrivilege	2660	chargeable.exe
Token: 33	2660	chargeable.exe
Token: SeIncBasePriorityPrivilege	2660	chargeable.exe
Token: 33	2660	chargeable.exe
Token: SeIncBasePriorityPrivilege	2660	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2608	2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	30
PID 2648 wrote to memory of 2608	2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	30
PID 2648 wrote to memory of 2608	2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	30
PID 2648 wrote to memory of 2608	2648	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	30
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2608 wrote to memory of 2660	2608	chargeable.exe	31
PID 2660 wrote to memory of 2064	2660	chargeable.exe	32
PID 2660 wrote to memory of 2064	2660	chargeable.exe	32
PID 2660 wrote to memory of 2064	2660	chargeable.exe	32
PID 2660 wrote to memory of 2064	2660	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
"C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- 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:2608
- - 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:2660
  - - 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:2064

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\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
1ea27366e034eb9447a33ce639c01489

SHA1
d12ed3e7e60c65ce90f0a58b9b9e47292caed923

SHA256
788d210ef206a4d11b6b506bf52124ee03fca4e8a9389fad43772202a7e29452

SHA512
e06f7443f0f7ca5db4411aa0718102c08068e95ec305b6b53c0b42a941a877de39f95c7e7514e69316b41a7ac19eaa6ccddc581fe475bdb842ec920691726e49

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

Filesize
264B

MD5
698116bda92f5890cdcfb68f017b5b93

SHA1
21b11fa39444eef24288ba993f7fadc5d8aa81a9

SHA256
c4dbaff6c66c198208e011ccda60566cdfe10dd89dd47180ee988f31a71b30cd

SHA512
0670e84fc002e5fc68b21902b390934c953059ce0a8379b89f224f3950cbd42640d6500f575c855c5c81a803a6a8d4f81940fe109ddaa5684c3dcccb9e5f22f8

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

Filesize
344B

MD5
066e0ac9f735adc79478179001370fd5

SHA1
84bcea9cc057f0e2fa9a968dd8d8c9fa7fec88e3

SHA256
d796f158ce4540b97d49effd363b56ab6038b89325884fdf05bd038c5280ba1d

SHA512
2046a7d5b080352cdca02d6648b9d580dbd881b78f434e89aca8ddb17d5fbad7e64baa47473386986595186d9e17d9035f0e74a3ff719ef49843c6ab8bd7bb95

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

Filesize
344B

MD5
f0e313d71e99bda0790caa8a5e91dec4

SHA1
938653dfa88fd0a3e1c2c7a49d096d6168924920

SHA256
b666d17faf3793bd49186d9ff631f58f943a5aa10a849497d0826c7002ff2d23

SHA512
0436d06c8997730d7f4c4dcc6c1c64659bfb08160567cf600fd99641a3bb600f2147e65657cb6c7acc3d8e960fc8d6c4557da324b0861cd92034700e334ecd1b

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

Filesize
344B

MD5
a85c1cfee51f68cbbde4b9fec7af20f0

SHA1
6abe7813f7ec7ed8a1f2a3a965ec4fe32ac54852

SHA256
5ff782fd1346fff97d426f028ae5f3f8791194e9e48c9059317bcfd878cd463d

SHA512
268f5ec1cd6b8177a255805e3bfc9164bc0f0b13331aca75bdf18dad4bb81d7fb69b0f92e2f54fa08b174f476cce0e8e4cdbc98ab284aaebd4cad5c15b934909

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
e4bd3d7f4c9d7849908cfbfa2f5fe2aa

SHA1
46245a22ad93c8c04c16c8674894db5ef8068b85

SHA256
49080d2cb0b9f2f318121b5b0c810349d2401332acb028375825bf1031bda9d0

SHA512
ff86de39d0f15a24242167371d5bf27c0e584f0b88e545a55044d9f2836a9934fb3bf3759aa6d565473b746326d7b372d6cff0890d64a4c30cb4eccf3bd746f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab140F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1422.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2DE3.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
115KB

MD5
53b90dbec11c65216f6e7a785e44766b

SHA1
b63b0a967290018aeb84552699e657a3662c747a

SHA256
9d8c3c3014e0914319dd95eb424344726f4a1896298ef98c42f88a394c2685bd

SHA512
670f0666cbf2b13b7f2ea882ec7ee5c09b7ae4290d11a99c39b103b5b6348f472b7cc560e15b49a0be665dbde97d9d1c1fa33e95b5afd30c4d6f770d51a9c242

Download Submit
memory/2648-3-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-199-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-185-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-186-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

Filesize
4KB

Download
memory/2660-371-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2660-370-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2660-368-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads