Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 16:57
Static task
static1
Behavioral task
behavioral1
Sample
2ycvgttuqjyzu4dw.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2ycvgttuqjyzu4dw.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2ycvgttuqjyzu4dw.exe
- Size 526KB
- Sample260802-vf9bsas1ev
- SHA256 1bd64853bac9991ddf61a71eb507e3b732b7c96095148114330883aad6d5df59
- MD5 f0f07ef2224548e2d06fc57d4bf2ecf7
- SHA1 2fdb17f185bdc8853b4715d05de41fc1da4bd019
- SHA512 61378289bc505df9e219876dc3fde4e22d8420f7efa516b80ade4765e834af54c469b21ae0c3cdcd974cc8d12398f1a3fa9068d5ed340319b7e00843d404d021
- SSDEEP 12288:XiVwfqrWCRCc8qk+xWc6R5CEPYz6lMg8O8Vo/cJmD:F4RRCik+sc6R5CaGoZ8O8Voem
- TLSH T1B8B43A147FA98E08E890267E459E1509DBAED1F215327307370AEF620D44DDEDE2D3EA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: Dracula, Samurai
Dracula aka Samurai is a stealer written in C#.
- Detects Dracula aka Samurai Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/4692-116-0x000001E1719C0000-0x000001E1719EA000-memory.dmp family_dracula_stealer - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwdSystem32\\Defender.exe" 2ycvgttuqjyzu4dw.exe - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 5 IoCs
pid Process 4692 Defender.exe 1368 MalwareDef.exe 2076 Defender.exe 5228 Defender.exe 2776 Defender.exe - Loads dropped DLL 10 IoCs
pid Process 5776 Process not Found 2760 Process not Found 4692 Defender.exe 1368 MalwareDef.exe 2076 Defender.exe 4512 Process not Found 1468 findstr.exe 4408 netsh.exe 5228 Defender.exe 2776 Defender.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 TTPs 9 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org 14 ipinfo.io 25 api.ipify.org 1 icanhazip.com 1 ipinfo.io 4 icanhazip.com 15 ipinfo.io 65 ipinfo.io 1 api.ipify.org - Drops file in Windows directory 16 IoCs
description ioc Process File created C:\Windows\xdwdSystem32\Defender.exe 2ycvgttuqjyzu4dw.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe 2ycvgttuqjyzu4dw.exe File opened for modification C:\Windows\Web\MalwareDef.exe 2ycvgttuqjyzu4dw.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe MalwareDef.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File created C:\Windows\Web\MalwareDef.exe 2ycvgttuqjyzu4dw.exe File created C:\Windows\xdwd.dll 2ycvgttuqjyzu4dw.exe File opened for modification C:\Windows\xdwd.dll 2ycvgttuqjyzu4dw.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe MalwareDef.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4932 cmd.exe 3004 cmd.exe 476 cmd.exe - System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
pid Process 4408 netsh.exe 476 cmd.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Defender.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Defender.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5516 schtasks.exe 1516 schtasks.exe - Suspicious behavior: EnumeratesProcesses 38 IoCs
pid Process 1368 MalwareDef.exe 1368 MalwareDef.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 4692 Defender.exe 1468 findstr.exe 1468 findstr.exe 4408 netsh.exe 4408 netsh.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 5672 2ycvgttuqjyzu4dw.exe Token: SeDebugPrivilege 4692 Defender.exe Token: SeDebugPrivilege 1368 MalwareDef.exe Token: SeDebugPrivilege 2076 Defender.exe Token: SeIncBasePriorityPrivilege 4692 Defender.exe Token: SeDebugPrivilege 5228 Defender.exe Token: SeDebugPrivilege 2776 Defender.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 5672 wrote to memory of 5680 5672 2ycvgttuqjyzu4dw.exe 91 PID 5672 wrote to memory of 4932 5672 2ycvgttuqjyzu4dw.exe 93 PID 4932 wrote to memory of 5516 4932 cmd.exe 95 PID 5672 wrote to memory of 3004 5672 2ycvgttuqjyzu4dw.exe 96 PID 3004 wrote to memory of 1516 3004 cmd.exe 98 PID 5672 wrote to memory of 2076 5672 2ycvgttuqjyzu4dw.exe 103 PID 4692 wrote to memory of 476 4692 Defender.exe 105 PID 476 wrote to memory of 2428 476 cmd.exe 107 PID 476 wrote to memory of 4408 476 cmd.exe 108 PID 476 wrote to memory of 1468 476 cmd.exe 109 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ycvgttuqjyzu4dw.exe"C:\Users\Admin\AppData\Local\Temp\2ycvgttuqjyzu4dw.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5672 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="@L6~BQrWB6okBS" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit2⤵PID:5680
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:5516
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:1516
-
-
-
C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2076
-
-
C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4692 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /C chcp 65001 && netsh wlan show profiles | findstr All2⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
PID:476 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:2428
-
-
C:\Windows\system32\netsh.exenetsh wlan show profiles3⤵
- Loads dropped DLL
- Event Triggered Execution: Netsh Helper DLL
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4408
-
-
C:\Windows\system32\findstr.exefindstr All3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1468
-
-
-
C:\Windows\Web\MalwareDef.exeC:\Windows\Web\MalwareDef.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368
-
C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5228
-
C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2776
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
2AppInit DLLs
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
2AppInit DLLs
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\xdwd.dll
- Size 136KB
- SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
- MD5 16e5a492c9c6ae34c59683be9c51fa31
- SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
- SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
- SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
- TLSH T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\xdwdSystem32\Defender.exe
- Size 526KB
- SHA256 1bd64853bac9991ddf61a71eb507e3b732b7c96095148114330883aad6d5df59
- MD5 f0f07ef2224548e2d06fc57d4bf2ecf7
- SHA1 2fdb17f185bdc8853b4715d05de41fc1da4bd019
- SHA512 61378289bc505df9e219876dc3fde4e22d8420f7efa516b80ade4765e834af54c469b21ae0c3cdcd974cc8d12398f1a3fa9068d5ed340319b7e00843d404d021
- SSDEEP 12288:XiVwfqrWCRCc8qk+xWc6R5CEPYz6lMg8O8Vo/cJmD:F4RRCik+sc6R5CaGoZ8O8Voem
- TLSH T1B8B43A147FA98E08E890267E459E1509DBAED1F215327307370AEF620D44DDEDE2D3EA
- MD5 SHA1 SHA512 SSDEEP TLSH