njrat | 6681cb73deb0effc4f44f704c6bddb07e98c1f8da4c8478cca7ddd49abdb0c3f

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:17

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General

Target

1a9cd1714a3e518cfd51f84f1be819bf.exe
Size

115KB
MD5

1a9cd1714a3e518cfd51f84f1be819bf
SHA1

61dbf2e64f209b08894c7fb36169cdaef3a34c81
SHA256

0656c6824990738c6f682fa090842ef42c20b11e68e1857fa3a8d8111248de0e
SHA512

264e230d6609570a14e5db8a573f64ef1caa82f8c10d1c8f7e2dad31e4b3f8ee7764ca19d23a3e4476b4bf0f7ccd180a8097fa1d92a7fc58e79a0f78987ffe53
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIP:P5eznsjsguGDFqGZ2rDIP

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
2756	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2436	chargeable.exe
2832	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1792	1a9cd1714a3e518cfd51f84f1be819bf.exe
1792	1a9cd1714a3e518cfd51f84f1be819bf.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a9cd1714a3e518cfd51f84f1be819bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a9cd1714a3e518cfd51f84f1be819bf.exe"	1a9cd1714a3e518cfd51f84f1be819bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2832	2436	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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a9cd1714a3e518cfd51f84f1be819bf.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2436	1792	1a9cd1714a3e518cfd51f84f1be819bf.exe	31
PID 1792 wrote to memory of 2436	1792	1a9cd1714a3e518cfd51f84f1be819bf.exe	31
PID 1792 wrote to memory of 2436	1792	1a9cd1714a3e518cfd51f84f1be819bf.exe	31
PID 1792 wrote to memory of 2436	1792	1a9cd1714a3e518cfd51f84f1be819bf.exe	31
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2436 wrote to memory of 2832	2436	chargeable.exe	32
PID 2832 wrote to memory of 2756	2832	chargeable.exe	33
PID 2832 wrote to memory of 2756	2832	chargeable.exe	33
PID 2832 wrote to memory of 2756	2832	chargeable.exe	33
PID 2832 wrote to memory of 2756	2832	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\1a9cd1714a3e518cfd51f84f1be819bf.exe
"C:\Users\Admin\AppData\Local\Temp\1a9cd1714a3e518cfd51f84f1be819bf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- 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:2436
- - 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:2832
  - - 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:2756

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
986d462ad9a78fe82b53b4d11378f7bb

SHA1
5486751c9cd15b8859d567760d6515051d0266a0

SHA256
daf8bf7df824637a59589ad97f2939e674f7b6c5ccf0d6186f9214dc14245590

SHA512
5cc6fb85ffbb942bd0e01666cf3cc976155fc3f6c683a6ad8d6e44cabdf04d59b16f17772ba5b88f3bfcf3db92cc5053bc8432efe920fe755ac0080fdb99f5c5

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

Filesize
344B

MD5
961dcab7b4519de9b2959e37b9acd44d

SHA1
af9819559394cc28e9dace6762ba1ac3a2ab90f6

SHA256
d91056bfdf292f5b7b1e3fd4fc0da907308c4a8a5a28ede7597dc3b52c816ce4

SHA512
0c9bda9646a86489408de99903dce44f42827ce771ebe91efbd4b7475125c9180127d396f729bd48ac61202d1c75784735300f343cdee6f2c81dd0b96ffd45c6

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

Filesize
344B

MD5
40df535c351f239056edfb75868b5198

SHA1
06f70046e3efa59a9fa3803ed7252952087ec38a

SHA256
0f33b43515d31fb3774c03779fff8a50783eff7521dbc18ff37ec9f555c7ac62

SHA512
57c9d6ac831da0ee2bed3cf08500467965fa7e65d2e3bd0af470aac72ffcec43d836f88b80291073650331d82046e14b13bd1ccfb78890c58dd17de38517e813

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

Filesize
344B

MD5
1e8ee1b4414c537fd2a8de0f8b2a055a

SHA1
756824cedb7593bbd72d66adf74e81ed2e93cca8

SHA256
e42360a439b896ac6c8e24befa7114900f2455eae37c8794d2289bc0f70fba77

SHA512
000db366827f53bfd4b6e9624c03337c49ca406dd871f4363d46d93ee03b9e233ab8ed8aa334173668e8a8d4a671337564dbd5c2ddf2151cfed5e87cd8885368

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

Filesize
252B

MD5
4ea113be8aaac780e38eebd189c6f4ec

SHA1
94c79c5ae47fdb125258188bdf8bf5c7647da214

SHA256
e8cc316fbaab36d49e1fd45afb5888bc6af41d89e4f02866f9f393ed8917fe09

SHA512
54699b354150f3eb7db1319e27a9dd6b663396e2183259a6e143c4c4def393498fc797f78896abf0bf4ec3807857b3943ecaed7103d1bf36a379b39c9e80b795

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC6E9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC6EC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC986.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
115KB

MD5
d85ce7c078fad704704709cfdf6cc6cc

SHA1
11a6f9f84f7dcda89c4ae1a4da2b5e2dbbdd396e

SHA256
2dcbcee32b967f6559e0aa2d151a0cbedf7f218e25c59437bfc5a27b463ead2d

SHA512
dab904dc1071cce585c2fda5fa70e5acd64985ef3fec7ff3c0f6268dd29d3d687d0d99a607a4a6e5987333e24e98d9740a1d3d942dd410dcb4cc14ee41972870

Download Submit
memory/1792-184-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-0-0x0000000074541000-0x0000000074542000-memory.dmp

Filesize
4KB

Download
memory/1792-23-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-194-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2832-366-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-365-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-363-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads