njrat | 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 23:06

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General

Target

03a957673a394475e15c113f43e0e99e.exe
Size

120KB
MD5

03a957673a394475e15c113f43e0e99e
SHA1

9da8fb150808ffb7583b509237c59c70ee37f81c
SHA256

1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1
SHA512

e6926305fdd18b3e10b768ce749436c4f1c23a9a3aaea02cc33eb058fae1528bc6c57051d658a46996f8d6652abccba0611168be095aa8cd53560992dbd13b94
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgS:P5eznsjsguGDFqGZ2rDL3

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
2800	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
1620	chargeable.exe
2724	chargeable.exe
2760	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2556	03a957673a394475e15c113f43e0e99e.exe
2556	03a957673a394475e15c113f43e0e99e.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	03a957673a394475e15c113f43e0e99e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03a957673a394475e15c113f43e0e99e.exe"	03a957673a394475e15c113f43e0e99e.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 2724	1620	chargeable.exe	33
PID 1620 set thread context of 2760	1620	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	03a957673a394475e15c113f43e0e99e.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 33 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
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 26 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1620	2556	03a957673a394475e15c113f43e0e99e.exe	31
PID 2556 wrote to memory of 1620	2556	03a957673a394475e15c113f43e0e99e.exe	31
PID 2556 wrote to memory of 1620	2556	03a957673a394475e15c113f43e0e99e.exe	31
PID 2556 wrote to memory of 1620	2556	03a957673a394475e15c113f43e0e99e.exe	31
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2724	1620	chargeable.exe	33
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 1620 wrote to memory of 2760	1620	chargeable.exe	32
PID 2724 wrote to memory of 2800	2724	chargeable.exe	34
PID 2724 wrote to memory of 2800	2724	chargeable.exe	34
PID 2724 wrote to memory of 2800	2724	chargeable.exe	34
PID 2724 wrote to memory of 2800	2724	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\03a957673a394475e15c113f43e0e99e.exe
"C:\Users\Admin\AppData\Local\Temp\03a957673a394475e15c113f43e0e99e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- 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:1620
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2760
- - 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:2800

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
3e3aed1c0ba46c98a8ef6b3bec083998

SHA1
8df2ba67925f2c9580ead34fc567acd35c55b416

SHA256
3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f

SHA512
f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29

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

Filesize
264B

MD5
435ae964b4ab514d4a52e417ea1ad44b

SHA1
adfb4e5489cf865c35739d31c2a24b2201c1e6a0

SHA256
4ac8307661bfd20b942243b104fa6fe852a84de7b53a3bb315b5ee6749d20f69

SHA512
9b3d096b1188c7d4d470226929736efd20c92eb56547aaf2531b1611b24e4eb14bb1e96fcade6208ba2a141e8c43424730d9498431f2e9dda75f16570948f1dc

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

Filesize
342B

MD5
cec8f43c0ffed05cc5174bfe76ef3451

SHA1
98a814060fcee66b340a2ee50e464b3d92cfa426

SHA256
fc759acf1b4d3abebcb43ab551787c6943c3fa5f5083314f478fd47c3cb4b97c

SHA512
29b2d783d13381e64ccdf8e3178413f56979529a7f9dcdbe07389658afd5f1c59280ff6b9901146d683536867f454946a751dbcf079e7da47dd67c75b228e017

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

Filesize
342B

MD5
fa5dd7facb1b2722d5995b13b9712e80

SHA1
defba1f340c1aa6ef60613a8297a0a0d7d5ca633

SHA256
1cf60781ef54b0abbf0ad5454e4f5b59965527694a618dd0711da844fa37b597

SHA512
796cdf8db88e3a2982f7704eff8a8ef8eec59c222dab68dbdb88bfa7324d07dff6e740e376c1c8887314c9b2e6043c1c51f184f7786deee8c707d3c3fdb5b9cb

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

Filesize
342B

MD5
8ac8947f2430c292c2c711c74d6ef86b

SHA1
d1adbaf1a58c422f2aaee6bf614fa80c5bf675a2

SHA256
5ebc096352604d26fc0c9f6578c49ee9c22ae2642c8baf5086f82bc920a12278

SHA512
a401fb9d21646d0218087c6ee04f8bde4155e481b6db86f5d701f9a9af3c6089d5bcc749d3e539b0b326431c04d74a25c7c886a831b73e671ae6c9359b7dafb6

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

Filesize
252B

MD5
f7ddaaace8a82b8c3080a55b942b1541

SHA1
7ac97e9883a6a9dd81c990ef4802ca836ebf9be6

SHA256
dbb2221653d5922c96eacf9bbca49237837bdac5d2157c9efe3c9d087d0b59ca

SHA512
aaf1998bc3d263aa6d3766c0d0607c385d796a5a99380e65a3bfd46bd580f8118c2c0ae8e6bdb3e4f9e465224a461820b94d185a911f4dd9b9b837923fb946d3

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

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD001.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
120KB

MD5
481e0a34463b86c385eb793e6f17c49a

SHA1
1368f135cc30b999f23aaea374c7a369ae0e951c

SHA256
bb38bbc5dbfead43e897ddd635e8d3f03e81cea5d891983b2cb85365e384e0fd

SHA512
1de21cda84cd5f4801b38443bfa9d3596ec6e279206a1baf12a34b113599e43724eababb84b362fcca3386da6949de89cb500c8748f750b2569f1b348882b313

Download Submit
memory/2556-179-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/2556-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-169-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2724-347-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-352-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

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

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads