Analysis
- max time kernel
70s - max time network
76s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 02:50
Static task
static1
Behavioral task
behavioral1
Sample
jre-8u501-windows-x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
jre-8u501-windows-x64.exe
Resource
win11ltsc2024-20260709-en
Errors
General
- Target jre-8u501-windows-x64.exe
- Size 547KB
- Sample260804-db288sbh56
- SHA256 c377d3185edddefb26b052e1d2d6a2df7bc17106afb387452b06f4b9a41de7f1
- MD5 561b4f89322864f223c779f083a3fb3d
- SHA1 d3c1c64bad463ed176cf026fd5ae8acda8d1ade3
- SHA512 af66958586768cd94781bc7a7175f69e15f9921419a99ae45ba034e964e688e8c15f8acdadb012c9a17064e88051e3ec38c338b67ab9214265b2118a0c4460ee
- SSDEEP 6144:+nH7TAu3kNfkQixy2Zm2FR8fe83NZfhkfqgIS7ocisF2oO5Ic1fAZpKUmpL8bb7R:IIMQwZzF6e83m1oD1fK0pL8cPB372
- TLSH T17EC43B157FA98A08E480257E455E1619DBAED1F222327303770AEF620D45DDEEE2C3DB
- 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/1960-115-0x000001431B300000-0x000001431B32A000-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" jre-8u501-windows-x64.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 4 IoCs
pid Process 1960 Defender.exe 1752 Defender.exe 4712 MalwareDef.exe 1832 Defender.exe - Loads dropped DLL 9 IoCs
pid Process 1960 Defender.exe 1736 Process not Found 4100 Process not Found 1752 Defender.exe 4712 MalwareDef.exe 5896 Process not Found 1828 findstr.exe 3516 netsh.exe 1832 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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe Key opened \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe Key opened \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\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 7 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 20 icanhazip.com 24 api.ipify.org 1 api.ipify.org 1 icanhazip.com 7 api.ipify.org 11 icanhazip.com 19 icanhazip.com - Drops file in Windows directory 14 IoCs
description ioc Process File created C:\Windows\xdwd.dll jre-8u501-windows-x64.exe File opened for modification C:\Windows\xdwd.dll jre-8u501-windows-x64.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\xdwdSystem32\Defender.exe MalwareDef.exe File opened for modification C:\Windows\Web\MalwareDef.exe MalwareDef.exe File created C:\Windows\xdwdSystem32\Defender.exe jre-8u501-windows-x64.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe jre-8u501-windows-x64.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\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File created C:\Windows\Web\MalwareDef.exe jre-8u501-windows-x64.exe File opened for modification C:\Windows\Web\MalwareDef.exe jre-8u501-windows-x64.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 opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \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 6132 cmd.exe 3316 cmd.exe 3928 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 3316 cmd.exe 3516 netsh.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 1676 schtasks.exe 3184 schtasks.exe - Suspicious behavior: EnumeratesProcesses 40 IoCs
pid Process 4712 MalwareDef.exe 4712 MalwareDef.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1960 Defender.exe 1828 findstr.exe 1828 findstr.exe 3516 netsh.exe 3516 netsh.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4196 jre-8u501-windows-x64.exe Token: SeDebugPrivilege 1960 Defender.exe Token: SeDebugPrivilege 1752 Defender.exe Token: SeDebugPrivilege 4712 MalwareDef.exe Token: SeIncBasePriorityPrivilege 1960 Defender.exe Token: SeDebugPrivilege 1832 Defender.exe Token: SeShutdownPrivilege 1960 Defender.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4196 wrote to memory of 5608 4196 jre-8u501-windows-x64.exe 91 PID 4196 wrote to memory of 3928 4196 jre-8u501-windows-x64.exe 93 PID 3928 wrote to memory of 1676 3928 cmd.exe 95 PID 4196 wrote to memory of 6132 4196 jre-8u501-windows-x64.exe 96 PID 6132 wrote to memory of 3184 6132 cmd.exe 98 PID 4196 wrote to memory of 1960 4196 jre-8u501-windows-x64.exe 99 PID 1960 wrote to memory of 3316 1960 Defender.exe 104 PID 3316 wrote to memory of 3168 3316 cmd.exe 106 PID 3316 wrote to memory of 3516 3316 cmd.exe 107 PID 3316 wrote to memory of 1828 3316 cmd.exe 108 - 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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Defender.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\jre-8u501-windows-x64.exe"C:\Users\Admin\AppData\Local\Temp\jre-8u501-windows-x64.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="8-b<@\]`@bZ @5" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit2⤵PID:5608
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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:3928 -
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:1676
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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:6132 -
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:3184
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C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"2⤵
- 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:1960 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /C chcp 65001 && netsh wlan show profiles | findstr All3⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Windows\system32\chcp.comchcp 650014⤵PID:3168
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
- Loads dropped DLL
- Event Triggered Execution: Netsh Helper DLL
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3516
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C:\Windows\system32\findstr.exefindstr All4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1828
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1752
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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:4712
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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:1832
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 547KB
- SHA256 c377d3185edddefb26b052e1d2d6a2df7bc17106afb387452b06f4b9a41de7f1
- MD5 561b4f89322864f223c779f083a3fb3d
- SHA1 d3c1c64bad463ed176cf026fd5ae8acda8d1ade3
- SHA512 af66958586768cd94781bc7a7175f69e15f9921419a99ae45ba034e964e688e8c15f8acdadb012c9a17064e88051e3ec38c338b67ab9214265b2118a0c4460ee
- SSDEEP 6144:+nH7TAu3kNfkQixy2Zm2FR8fe83NZfhkfqgIS7ocisF2oO5Ic1fAZpKUmpL8bb7R:IIMQwZzF6e83m1oD1fK0pL8cPB372
- TLSH T17EC43B157FA98A08E480257E455E1619DBAED1F222327303770AEF620D45DDEEE2C3DB
- MD5 SHA1 SHA512 SSDEEP TLSH