njrat | aa16d79a7d5d91927c0bf58de137a83dedc30ec19bb3d9b6e3af626fa59064b4

Analysis

max time kernel
147s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/01/2025, 01:06

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General

Target
920c7f7f1b463047369f658b199e0474.exe
Size 120KB
Sample250110-bf3pfsynbk
SHA256 aa16d79a7d5d91927c0bf58de137a83dedc30ec19bb3d9b6e3af626fa59064b4
MD5 920c7f7f1b463047369f658b199e0474
SHA1 b659059ca3a7a2f05f46d21ad694a6e3648677f9
SHA512 8e3b28e2dc3f101e207113fe5eee67ccf03b4f07cfdddb39eefbb3a35f6f2de45ef24f737887fb1326fff7f280a546fda030016a6267114bb6d257c0cbe9acf4
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgi:P5eznsjsguGDFqGZ2rDLv
MD5 SHA1 SHA512 SSDEEP

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
2740	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1076	chargeable.exe
2912	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2160	920c7f7f1b463047369f658b199e0474.exe
2160	920c7f7f1b463047369f658b199e0474.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"	920c7f7f1b463047369f658b199e0474.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\\920c7f7f1b463047369f658b199e0474.exe"	920c7f7f1b463047369f658b199e0474.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 2912	1076	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	920c7f7f1b463047369f658b199e0474.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	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe
Token: 33	2912	chargeable.exe
Token: SeIncBasePriorityPrivilege	2912	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 1076	2160	920c7f7f1b463047369f658b199e0474.exe	30
PID 2160 wrote to memory of 1076	2160	920c7f7f1b463047369f658b199e0474.exe	30
PID 2160 wrote to memory of 1076	2160	920c7f7f1b463047369f658b199e0474.exe	30
PID 2160 wrote to memory of 1076	2160	920c7f7f1b463047369f658b199e0474.exe	30
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 1076 wrote to memory of 2912	1076	chargeable.exe	32
PID 2912 wrote to memory of 2740	2912	chargeable.exe	33
PID 2912 wrote to memory of 2740	2912	chargeable.exe	33
PID 2912 wrote to memory of 2740	2912	chargeable.exe	33
PID 2912 wrote to memory of 2740	2912	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\920c7f7f1b463047369f658b199e0474.exe
"C:\Users\Admin\AppData\Local\Temp\920c7f7f1b463047369f658b199e0474.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- 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:1076
- - 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:2912
  - - 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:2740

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

37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE
Size 1KB
SHA256 6d7205e794fde4219a62d9692ecddf612663a5cf20399e79be87b851fca4ca33
MD5 fa84e4bcc92aa5db735ab50711040cde
SHA1 084f1cb4c47fdd3be1c833f58359ec8e16f61eb4
SHA512 261a327ed1dffd4166e215d17bfd867df5b77017ba72c879fb2675cfb8eef48b374f6de41da0e51ba7adb9c0165bb2c831840603e873f6429963afd0cb93007f
MD5 SHA1 SHA512

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C0018BB1B5834735BFA60CD063B31956

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956
Size 1KB
SHA256 3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f
MD5 3e3aed1c0ba46c98a8ef6b3bec083998
SHA1 8df2ba67925f2c9580ead34fc567acd35c55b416
SHA512 f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29
MD5 SHA1 SHA512

Submit Download

37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE
Size 264B
SHA256 cefb0bcaaf47226cdf716bd9681e6ee28aec3556d43654fd60a3255af8b8fb96
MD5 aaa31f7d70d08ea6aeebd9e24dc577af
SHA1 83acf363fdd2701cbe7cf0e27243916e265479f7
SHA512 f1aa801d44ac4840e53bdef475ee9b6c29293f3df893cbb5f635b963be8ec8be5d981dd1f9a814e84e78389c97d9c2903b8919556bbe774ee7830dd9721fe13d
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 da0081044a2975e4c9b0ab0c1f747da520166b4b184801a98b89c5544e52f394
MD5 67e320988546d6a24e7c294916332036
SHA1 6343fed3e4ad8a725ffb6369e0146eddb63ca2bd
SHA512 ba3fb16212e273e3e01006e2b58d610103e352fbea38385ba8b2840a1b08b9dc5a40708ccb0594c17acef2a677bf447e874e029874c0c136da2694bee3d7bd55
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 59ae976543ec5beb052b335fbf2f8b9fe548bf34a260665856efc295f85453e8
MD5 16c4366180c348c6b3996cc34b41def7
SHA1 7b81773166fea8903e7938f9b68ae64746b46fc0
SHA512 371318115f1b0e9885f10fde798dda3fc8c8ba60bcaef73a76117c536c86ac4461a73da153b8b9dc152db8bff11fc6e3cdb75564ecf3bc37b4655a8e5f9b661a
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 05ec8f81bd206a8dead6d109a9c268a3bc9dbe0b52f0b6101302b0b0bc85f5fb
MD5 ae0f15e697deb67639f961e8ea247879
SHA1 de238883b43f712dcb0752bf3b35deab4f8846b6
SHA512 405e403dcb126809251808bd9e0ac5b22d6d537ca410272c78730e88d9a6b061c9e4a9b01a6b68a2acad626c183d19a8be7094a61b926af370f366d3938b91cc
MD5 SHA1 SHA512

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C0018BB1B5834735BFA60CD063B31956

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956
Size 252B
SHA256 002432aa1b509330c06b296143f7b30ca7f7f940e9eb850754c630966c68bbd1
MD5 977ee520fa68d22436d40d50bf09ecd7
SHA1 f5a3f2ed2683e6725924d9811db02fca7fa21759
SHA512 f1e8ca5557515766cf77a76762f20d9ac40ae24a9bb82f1d1b6e091d57c67d691747c4ae9db48a21eb7dd7c73ccd4fddf87b0c69398dcf4079c4dcc00921b7d1
MD5 SHA1 SHA512

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CabAE0D.tmp

Path C:\Users\Admin\AppData\Local\Temp\CabAE0D.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

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TarAF67.tmp

Path C:\Users\Admin\AppData\Local\Temp\TarAF67.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

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chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 120KB
SHA256 2c6c3161fb885cd8a40f2df100d69d86d4c8deaefadc0ee45b625f8ed1775849
MD5 16f0ea6863ac55927f94e360cd1cef64
SHA1 a1f2fdebb8abfc1440c6ac8b48b5ddeb0e506c58
SHA512 77795ce504b3e393a03d7a16f94596c3ca34b7a199f71cf57db0936b93028edba30110f3d18f03e3d3172c5fef6537aa65f4c6edfbf557ab7dba5eb460a2e977
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDLh
MD5 SHA1 SHA512 SSDEEP

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memory/2160-180-0x0000000074A60000-0x000000007500B000-memory.dmp

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memory/2160-170-0x0000000074A60000-0x000000007500B000-memory.dmp

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memory/2160-0-0x0000000074A61000-0x0000000074A62000-memory.dmp

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memory/2160-2-0x0000000074A60000-0x000000007500B000-memory.dmp

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memory/2160-9-0x0000000074A60000-0x000000007500B000-memory.dmp

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memory/2912-348-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2912-351-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2912-350-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads