Analysis Overview
SHA256
d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8
Threat Level: Known bad
The file d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8 was found to be: Known bad.
Malicious Activity Summary
Stealc family
Stealc
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Checks computer location settings
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Deletes itself
Identifies Wine through registry keys
Loads dropped DLL
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-14 06:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-14 06:35
Reported
2024-11-14 06:37
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
136s
Command Line
Signatures
Stealc
Stealc family
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3640 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3640 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3640 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4976 wrote to memory of 232 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 4976 wrote to memory of 232 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 4976 wrote to memory of 232 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe
"C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe" & del "C:\ProgramData\*.dll"" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| RU | 185.215.113.206:80 | 185.215.113.206 | tcp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.113.215.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3640-0-0x0000000000D20000-0x000000000145D000-memory.dmp
memory/3640-1-0x0000000077194000-0x0000000077196000-memory.dmp
memory/3640-2-0x0000000000D21000-0x0000000000D89000-memory.dmp
memory/3640-3-0x0000000000D20000-0x000000000145D000-memory.dmp
C:\ProgramData\chrome.dll
| MD5 | eda18948a989176f4eebb175ce806255 |
| SHA1 | ff22a3d5f5fb705137f233c36622c79eab995897 |
| SHA256 | 81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4 |
| SHA512 | 160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85 |
memory/3640-9-0x0000000000D20000-0x000000000145D000-memory.dmp
memory/3640-11-0x0000000000D20000-0x000000000145D000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-14 06:35
Reported
2024-11-14 06:37
Platform
win7-20240708-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Stealc
Stealc family
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe
"C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe" & del "C:\ProgramData\*.dll"" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
Network
| Country | Destination | Domain | Proto |
| RU | 185.215.113.206:80 | 185.215.113.206 | tcp |
Files
memory/2368-0-0x0000000000B40000-0x000000000127D000-memory.dmp
memory/2368-1-0x0000000077620000-0x0000000077622000-memory.dmp
memory/2368-2-0x0000000000B41000-0x0000000000BA9000-memory.dmp
memory/2368-3-0x0000000000B40000-0x000000000127D000-memory.dmp
\ProgramData\chrome.dll
| MD5 | eda18948a989176f4eebb175ce806255 |
| SHA1 | ff22a3d5f5fb705137f233c36622c79eab995897 |
| SHA256 | 81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4 |
| SHA512 | 160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85 |
memory/2368-8-0x0000000000B40000-0x000000000127D000-memory.dmp