80229b275ca9f02dd57a3f6e10fb4a3b6453193180b48eb93f7b8790412b2cbf

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 10:36

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General

Target
NyroTool.exe
Size 211KB
Sample261024-mnj3vsbs3p
SHA256 80229b275ca9f02dd57a3f6e10fb4a3b6453193180b48eb93f7b8790412b2cbf
MD5 f22397e3d13fa9c9f599298b077232cf
SHA1 d9ceb295d2ad235faa3a5f59f8a4bec82f4cc414
SHA512 5ce3daf4754934b1d2d7d41375465e08bb66ce74cf5aa010e0ad465d4941f3d5415be5ac861b3f23f751fa71e827341a691376e48f775fac7f2907a0b1a7670c
SSDEEP 6144:8l8A/ehUOqxaPB/VmQrKUiPbDddASCpMW90KImQiXnhbmew:8eAwUOqxaPFVZYvj
TLSH
T1A4244A9813AB897DD63D237ED0A1110507F4A227C103E35E9EE5E4F95F2B312AB12B97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

defense_evasion discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NyroTool.exe\" -startup"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NyroTool.exe\""	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	NyroTool.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	NyroTool.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4932	cmd.exe
4132	cmd.exe
3244	cmd.exe
1168	cmd.exe
6040	cmd.exe
1260	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	NyroTool.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	NyroTool.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
5264	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2816	NyroTool.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	NyroTool.exe
Token: SeDebugPrivilege	5264	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4132	2816	NyroTool.exe	90
PID 2816 wrote to memory of 4932	2816	NyroTool.exe	91
PID 2816 wrote to memory of 1260	2816	NyroTool.exe	92
PID 2816 wrote to memory of 6040	2816	NyroTool.exe	93
PID 2816 wrote to memory of 1168	2816	NyroTool.exe	94
PID 2816 wrote to memory of 3244	2816	NyroTool.exe	95
PID 2816 wrote to memory of 5264	2816	NyroTool.exe	96
PID 1260 wrote to memory of 5032	1260	cmd.exe	114
PID 3244 wrote to memory of 3940	3244	cmd.exe	115
PID 6040 wrote to memory of 5492	6040	cmd.exe	116
PID 4932 wrote to memory of 2520	4932	cmd.exe	117
PID 1168 wrote to memory of 2248	1168	cmd.exe	118
PID 4132 wrote to memory of 3208	4132	cmd.exe	119
PID 1260 wrote to memory of 3864	1260	cmd.exe	120
PID 6040 wrote to memory of 3924	6040	cmd.exe	121
PID 3244 wrote to memory of 1004	3244	cmd.exe	125
PID 1168 wrote to memory of 6120	1168	cmd.exe	126
PID 4932 wrote to memory of 1620	4932	cmd.exe	124
PID 4132 wrote to memory of 2532	4132	cmd.exe	127

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3208	attrib.exe
2520	attrib.exe
3940	attrib.exe
5032	attrib.exe
3864	attrib.exe
3924	attrib.exe
1620	attrib.exe
2532	attrib.exe
2248	attrib.exe
5492	attrib.exe
6120	attrib.exe
1004	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NyroTool.exe
"C:\Users\Admin\AppData\Local\Temp\NyroTool.exe"
1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4132
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3208
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2532
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:2520
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1620
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:5032
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:3864
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:6040
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:5492
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:3924
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:2248
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:6120
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @webrateboyanaana 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:3244
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3940
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1004
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5264

C:\Users\Admin\AppData\Local\Temp\NyroTool.exe
"C:\Users\Admin\AppData\Local\Temp\NyroTool.exe" -startup
1⤵
PID:1332

C:\Users\Admin\AppData\Local\Temp\NyroTool.exe
"C:\Users\Admin\AppData\Local\Temp\NyroTool.exe"
1⤵
PID:3816

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

info-Locker.txt

Path C:\Users\Admin\Downloads\info-Locker.txt
Size 84B
SHA256 c34eae928181367d6ec0c289ca4248a1f50a04586a59a58a3e34c1248c9f0da5
MD5 34d55d0e3d9dbf09e7ec64c623eaeb0f
SHA1 746caaeff29095b316e8d3d6bae9924e0cbf0b3f
SHA512 bed14e429471820142c2dc0bb4bcce51182c66e0fe799aa33633040d05fe4d26d91bc98627c1f58ab7a7bb9894f739afbaae937512f6108bb0890028e21553f3
TLSH
T16FA012093D183BC4210010F33A31B00154ACBB0C1407184111040852306108454DF520
MD5 SHA1 SHA512 TLSH

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memory/2816-4-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-14-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-3-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-0-0x00007FF8A58EF000-0x00007FF8A58F0000-memory.dmp

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memory/2816-5-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-9-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-10-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-11-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-2-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-12-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-13-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-1-0x0000000000600000-0x000000000063C000-memory.dmp

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memory/2816-27-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-28-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-29-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-30-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-31-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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memory/2816-32-0x00007FF8A5760000-0x00007FF8A6104000-memory.dmp

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