njrat | 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1

Analysis

max time kernel
147s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 02:05

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General

Target

1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.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
2196	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1632	chargeable.exe
2652	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.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"	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.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\\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 2652	1632	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	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.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	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1632	1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	31
PID 1948 wrote to memory of 1632	1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	31
PID 1948 wrote to memory of 1632	1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	31
PID 1948 wrote to memory of 1632	1948	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	31
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 1632 wrote to memory of 2652	1632	chargeable.exe	32
PID 2652 wrote to memory of 2196	2652	chargeable.exe	33
PID 2652 wrote to memory of 2196	2652	chargeable.exe	33
PID 2652 wrote to memory of 2196	2652	chargeable.exe	33
PID 2652 wrote to memory of 2196	2652	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
"C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- 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:1632
- - 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:2652
  - - 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:2196

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
edf05fddee2c0dceec1d2ef2d6004817

SHA1
9e4d00760fe1df9724a21f834df15a2e3d013646

SHA256
906b64045b8d2054b05a6b7d041a4057ca300fba1750bbde02e00698f352286c

SHA512
a2e8c9eac947436cf092e1458e619aa06f7d7c3efe7b43b6992f13399aa98cdf6745ea9d8140c8bacc839734cdc34bdb07ef7ef37219656503f6dc872b8c88cc

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

Filesize
342B

MD5
82401e98f145bcaadcb46261cc0d4223

SHA1
4b17de2ba954949a675e48c1fa7e1556ca2d403f

SHA256
bbf01927b763f8597bc4304017724777506ffbb47c1f54761d543d34ace93e9f

SHA512
1da62eb0896dd22c742540185be0fff2297f9b17a3d0ec90721e975140d4aaca2acffb69dbe476a48600abe4b7dcfbfd258e76a47c49804f49c7997182451999

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

Filesize
342B

MD5
251383505975f511eed93737b4422af8

SHA1
df429177fb0d9f8abee0fa43fcf78127489b5963

SHA256
3223dfe4c6adda2bbd07bd6b40fbdbcd09c4e79bf7aee8bb4596275038e7790e

SHA512
8b43154dcfa2409f2bff4e9e76b1a2c7555ad63ba341208aab0d1d690c5b8f43469b27f97a5535809e18367e029856a1ed1d1a04445105fb5118fcc78a17356f

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

Filesize
342B

MD5
b8ecec8adc07739bc490b2c76a266ce0

SHA1
c3cc3e17d90bdd412cf3d0a0b25a5a19b30db4e8

SHA256
7f9a23fb0922442c273440a86a4b7c5573c17b4243872cd79a4a177aa36e010d

SHA512
dadc7263bc30c218f1ef2bb9aa3540a6cf41834ca553157fb961a392f9f951a67e02eab7fc130c7d3ec25fa1521004ff3a461634dd3035dbbdebae5683d4a2cf

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

Filesize
252B

MD5
9128ebe7ac9b1e6101a18760f2984be4

SHA1
1b01233c1e80b1470a99aaa3f3ecf07f86098304

SHA256
7b94fc1ac5c322bd991b31ea60e9fa504e92e8e7e48a2611ceb979e879beaddb

SHA512
4037eaa0ee859f2b72db199f479a584e87aa98fe691a5601ed24592b2fa93ef4cb1c7e0f2d4054b0daedacbc44b9e758bec06ebfe187123895c06de08c79eea3

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAD51.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAD64.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
120KB

MD5
756b20a0d1fd3d60ca02d81ea4caa9c9

SHA1
c6b208d4ef52144334e89d857d6719c616fea57b

SHA256
f827a99e143daaa36e7724008c072e9cf423fa01837bf4d8983c309ba6f8590a

SHA512
df040a8fb22f04d4b2b109cbd8896c5674e367abdf76a944ac241b4d31f016b735dd244f1f3b16bb6cbd7b901dc701ef97ed30a4c4c71946cb19e6d28e0e2331

Download Submit
memory/1948-180-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/1948-170-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/1948-0-0x0000000074511000-0x0000000074512000-memory.dmp

Filesize
4KB

Download
memory/1948-3-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/1948-1-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2652-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-351-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-350-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads