njrat | 8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398

Analysis

max time kernel
114s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 04:23

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General

Target

8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe
Size

118KB
MD5

f770720a1144d0e0c46c0530b601d860
SHA1

384435b2abcf711571b656c5e500eb6f82616f96
SHA256

8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398
SHA512

20ffd3eed997998dffd24f3dbc6dd569d29bdd1fc3a2fc266ad3d52b17164e7af5b59b954641a81f4d09a97a0632076f0bf84a8d23e202b726037e8a9d8c074b
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf3:P5eznsjsguGDFqGZ2rDLf3

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
2592	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2284	chargeable.exe
2724	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe
2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.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"	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.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\\8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe"	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 2724	2284	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2284	2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe	31
PID 2132 wrote to memory of 2284	2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe	31
PID 2132 wrote to memory of 2284	2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe	31
PID 2132 wrote to memory of 2284	2132	8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe	31
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2284 wrote to memory of 2724	2284	chargeable.exe	32
PID 2724 wrote to memory of 2592	2724	chargeable.exe	33
PID 2724 wrote to memory of 2592	2724	chargeable.exe	33
PID 2724 wrote to memory of 2592	2724	chargeable.exe	33
PID 2724 wrote to memory of 2592	2724	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe
"C:\Users\Admin\AppData\Local\Temp\8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- 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:2284
- - 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:2724
  - - 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:2592

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
fa84e4bcc92aa5db735ab50711040cde

SHA1
084f1cb4c47fdd3be1c833f58359ec8e16f61eb4

SHA256
6d7205e794fde4219a62d9692ecddf612663a5cf20399e79be87b851fca4ca33

SHA512
261a327ed1dffd4166e215d17bfd867df5b77017ba72c879fb2675cfb8eef48b374f6de41da0e51ba7adb9c0165bb2c831840603e873f6429963afd0cb93007f

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
b84cee7c3a3256d791797776caf883fa

SHA1
e4b5c563a6ff4cd4a658137157ffe80f3baae6fe

SHA256
951995329b669ee7e7427dcd6922a2a993aacebf8afdee6b5a2f72379254efd4

SHA512
132f34d5e7ae771e235fd24e8dd08a2a61c4af8d2d9772a5575a3b4f85287718ff1cc79acf22f29954699dc8eeda2c64602cb9a9d5684962d1e7a99f856d8b83

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

Filesize
342B

MD5
5615d2b8b45e0d21c39125a646249e22

SHA1
234e2ecd80c4e2ea5401ef39481c39fcd09a7b58

SHA256
afeecb937c0b4cc0f15de1f870b561a9fc5f3041cafdd08a6357267a2198130d

SHA512
74369133fe5dc2b79c901a49c201bbae7f2ca0628b112d3be82333a2c2f1bc22453ad8d0ea4056d72bc63347778729b0ed887887019373e67e1392eafa490a99

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

Filesize
342B

MD5
7a3cbfc863157e6ff9e11a729cbce354

SHA1
857057d789842ee989590ca0da1279fff6a0ba74

SHA256
6605999f0081a694a3e6de4a740adf633fa94ec4ed4632e01db44fb8df4f9d08

SHA512
d2c3a4687af4145ed24a643f90166f383f1b5f3400fa2f63a90f285ddcdcdb118681ebd2898260f1a6289d3bda7c3cfef1e1d80b13828517dfe9d845cbd48f10

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

Filesize
342B

MD5
948c2c51c39522f2daade69e93f304c6

SHA1
8d821118926abbefa33d770c9246df97b15ea9a4

SHA256
f66f1fc62f3afd1ea69646aa0d793e6c39a423665491cdaaa8e5c5296d99c68d

SHA512
b84bccc00c23b86642ceb68710528eae1f0b74778a2ee9a110b233fbe372e76d3f12350fec04b14c9f9fb573e94b1b141f774425fefdd2924eb7e5d39d734973

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

Filesize
252B

MD5
19b458c28f1f6fa35bd8e09fdb8696f6

SHA1
ed753e75b1fc36bcf21dbf0fc2b41316b3bfef68

SHA256
c2060c86ec9f44412b81255919c6597d5346d854c6a2442590cc747a327e4e42

SHA512
1b91c79b5eea3546681c251b13a9b9fda2c1c8d35f956192724decd35c992929bd9beb27e70ac5caec2f27f1282ed934b6c2c4ca590ff673d5af87b828a2a701

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

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
118KB

MD5
718eb810e5ec7ee1a53bf193330a1691

SHA1
f02a2dd0a6bcf7f7db8763a1be2a29b73ee68e10

SHA256
a6048097136d7a51123c01c3c25f4a74f8a437cf811e0e5bbf59c7db06749f07

SHA512
ffd8757c221b5702930772f9637305d7045ecab3dfb1d84f65ae49ecae8cd24ac37b9c370f71df5b7af2132c80b750efcaf9208992828fd75bd255b659b10a8d

Download Submit
memory/2132-180-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2132-170-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2132-0-0x0000000074941000-0x0000000074942000-memory.dmp

Filesize
4KB

Download
memory/2132-2-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2132-1-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2724-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-351-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-350-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads