njrat | 4f3b59864c18a8d1a8add12e29dfd6293d67c07ecbd0bf9b4ae9e34294bc2668

Analysis

user interaction
yes
max time kernel
150s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/05/2026, 17:40

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General

Target
sample1_unsafe.exe
Size 1.9MB
Sample260522-v816wabz4m
SHA256 4f3b59864c18a8d1a8add12e29dfd6293d67c07ecbd0bf9b4ae9e34294bc2668
MD5 e4c2350adc7cb595f67e309d52b2778e
SHA1 08a0784691beeb777d864279612a7237075f94ee
SHA512 8b39225020671ce408deba0b8d0e91dfba51e64552b8b18d9f241f2250ef72769fd55cf2c97047dc3921613d0762a86a93be92f64766b829090c93da795ca8ad
SSDEEP 49152:hd6e6x01stTTAkJ/4p3ZpoWJX+vS6ljM3XyF2:hg1xThKJZpoWJO6UjaCA
TLSH
T19C9533495FD1C08BD88DCE3E1B2ACB96E0BA652047D4A7A38E8B8D306651EF35C54737
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery njrat persistence privilege_escalation trojan upx

Malware Config

Signatures

Family: 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
3200	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
2308	Smart Binder v2.0 By Th3 Exploiter.exe
1436	SpyNet.exe
4340	server.exe
4496	server.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-1-5-21-1636999435-3883760687-346127294-1000\Software\Microsoft\Windows\CurrentVersion\Run\f87a088fbd7c06eef1f5a49864be5208 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f87a088fbd7c06eef1f5a49864be5208 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x001c00000002b323-11.dat	upx
behavioral2/memory/1436-16-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-26-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1080-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1086-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1089-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1090-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1091-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1436-1092-0x0000000000400000-0x0000000000957000-memory.dmp	upx

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	sample1_unsafe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Smart Binder v2.0 By Th3 Exploiter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Checks SCSI registry key(s) 3 TTPs 8 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Phantom	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\ConfigFlags	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000001	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Phantom	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000002	SpyNet.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SpyNet.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1436	SpyNet.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe
Token: 33	4340	server.exe
Token: SeIncBasePriorityPrivilege	4340	server.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe
1436	SpyNet.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2308	1548	sample1_unsafe.exe	80
PID 1548 wrote to memory of 1436	1548	sample1_unsafe.exe	81
PID 2308 wrote to memory of 4340	2308	Smart Binder v2.0 By Th3 Exploiter.exe	82
PID 1436 wrote to memory of 944	1436	SpyNet.exe	83
PID 4340 wrote to memory of 3200	4340	server.exe	85

C:\Users\Admin\AppData\Local\Temp\sample1_unsafe.exe
"C:\Users\Admin\AppData\Local\Temp\sample1_unsafe.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\Smart Binder v2.0 By Th3 Exploiter.exe
  "C:\Users\Admin\AppData\Local\Temp\Smart Binder v2.0 By Th3 Exploiter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Users\Admin\AppData\Roaming\server.exe
    "C:\Users\Admin\AppData\Roaming\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4340
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:3200
- C:\Users\Admin\AppData\Local\Temp\SpyNet.exe
  "C:\Users\Admin\AppData\Local\Temp\SpyNet.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Checks processor information in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\cscript.exe
    "C:\Windows\system32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\teste.vbs"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:944

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe" ..
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4496

Network

MITRE ATT&CK Enterprise v16

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

Peripheral Device Discovery

T1120

Query Registry

T1012

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

Default.ini

Path C:\Users\Admin\AppData\Local\Temp\Language\Default.ini
Size 14KB
SHA256 e06ff3e2b4cf78d6147d00dbfd00066751d1d6680b3dd672e861574741a894d9
MD5 ee9826fd3883b9756896baed5d076cc6
SHA1 d1c829cabcb967410e03489723d9e51b9549d6f6
SHA512 404cfe3632fc3614a0e686504a2edcdf984aab20afc8fc4c7785d76bd52bf466078e756838c2ce5350439ad128756e55e1c3b12f3badd70fba8e74d171a05538
SSDEEP 192:ZKtoM6P8HdyQOdiETyaKNTkeQgLS0hep7EutworjAd8mAwxR22+OWwU:E3OHlLTCdkeQgLS0s75moXA+Rw/2pQU
TLSH
T12062620F5AC906CA4CB733A1B316A507798D99114789DBC3B6EFC36A72C0586CB4BA71
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Settings.ini

Path C:\Users\Admin\AppData\Local\Temp\Settings\Settings.ini
Size 1KB
SHA256 afcc1b53d0e2ef177754d4f6ae9ab391e7115e39fc73caaabcb3cd585c2e4c7c
MD5 448a49c2d7253c927e820056e9e7ea8b
SHA1 c7171c7b597beea4bb584319ddac80eadee5d3be
SHA512 54dc9c1eba0154aa648ec317c51642fd88d7dcd50b4e5f1eea5c67e1c7db91a7e8cb97d0b538e4a280d91a65fea8baa888734960fbf636b7067ac407840a5224
TLSH
T10F318EC7E9A21868CCB48ABADFD00240196C97D54EE62080F615CEC61FDD933B9F865E
MD5 SHA1 SHA512 TLSH

Submit Download

Smart Binder v2.0 By Th3 Exploiter.exe

Path C:\Users\Admin\AppData\Local\Temp\Smart Binder v2.0 By Th3 Exploiter.exe
Size 23KB
SHA256 c244ca57170c47a61d79092c13a038477a904a416b492adeb5aabe89d1620c30
MD5 f836c26e8aae6e2ba4efb47af6cecf4f
SHA1 65d32c3ed9f9f03033efb50fe8275a3643755f79
SHA512 fa8e33791059323c754589a779b167d21cf515fb786c86a84944cf7fc8784be71842db8ee12953855141d99aab9aa707fbfd972d7229156f73168284dcba8f47
SSDEEP 384:47QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZkb/:485yBVd7Rpcnudb
TLSH
T109B2094E3FA98856C5AC1B74C6B5965003B491870413EE2FCCC554CBAFB3BD92D48AF9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

SpyNet.exe

Path C:\Users\Admin\AppData\Local\Temp\SpyNet.exe
Size 2.0MB
SHA256 e4b3b3e72bd3bf4052a3136cb811ea54923bc2d7807709992e0345743d49ced8
MD5 98de7bcad1ba2caf74007bd97bc2b505
SHA1 8a79d06159a339313b810f23835b8417429dd356
SHA512 ef57cc4f0ad4bf1f54baaf7213bf868c418eebfb0eee3c32ff376b67d5d5337c35a94a1418951d82aae371820ce37eade7cf0a74ce54a4198e18327bd232a35d
SSDEEP 49152:GhwHJZqdp7orGOA0jhE6wSZCTIzY7wXSxQ5E+X6Oftn/Z9s0K:GhwHJZUp7orG90NE6KIM7wXr5EI6OR/7
TLSH
T1BDA5231B40062DE7D22163FE6341EEF642035EC5D8A70251A8FAEDB7B078ED3DD1A295
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

teste.txt

Path C:\Users\Admin\AppData\Local\Temp\teste.txt
Size 2B
SHA256 7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6
MD5 81051bcc2cf1bedf378224b0a93e2877
SHA1 ba8ab5a0280b953aa97435ff8946cbcbb2755a27
SHA512 1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d
MD5 SHA1 SHA512

Submit Download

teste.vbs

Path C:\Users\Admin\AppData\Local\Temp\teste.vbs
Size 841B
SHA256 38a2c0e90a7c86eb5355710dd205f22f84dbba59e688cd3da6394af8c924a102
MD5 615964e5ab63a70f0e205a476c48e356
SHA1 292620321db69d57ba23fa98d2a89484ddcf83d0
SHA512 69886825baf2075f8e6cdc50b0b34f92d5d06d42db4586396fb3db806fef79986ba5754c7b1251b007cde4f943efe9e3d27800dd7e15f8084fd7e7e6046c3ccc
TLSH
T15F01AF04F3BFC590283FB36170E8E20EF5B0E601B7305F181EA4896536A771C19701E5
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1436-1086-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-1089-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-19-0x0000000000F40000-0x0000000000F41000-memory.dmp

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memory/1436-26-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-1092-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-1080-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-20-0x0000000000956000-0x0000000000957000-memory.dmp

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memory/1436-16-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-1085-0x0000000000F40000-0x0000000000F41000-memory.dmp

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memory/1436-1091-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/1436-1090-0x0000000000400000-0x0000000000957000-memory.dmp

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memory/2308-18-0x0000000073340000-0x00000000738F1000-memory.dmp

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memory/2308-17-0x0000000073341000-0x0000000073342000-memory.dmp

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memory/2308-1079-0x0000000073340000-0x00000000738F1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads