Analysis Overview
SHA256
def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540
Threat Level: Known bad
The file def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Program crash
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-02 06:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-02 06:27
Reported
2024-09-02 06:29
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe |
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\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.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\taskkill.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3404 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3404 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3404 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 736 wrote to memory of 2156 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 736 wrote to memory of 2156 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 736 wrote to memory of 2156 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe
"C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3404 -ip 3404
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 1360
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.75.66.80.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/3404-1-0x0000000000700000-0x0000000000800000-memory.dmp
memory/3404-2-0x00000000006D0000-0x00000000006FD000-memory.dmp
memory/3404-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\N27JXEQ0\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/3404-9-0x0000000000700000-0x0000000000800000-memory.dmp
memory/3404-11-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3404-12-0x00000000006D0000-0x00000000006FD000-memory.dmp
memory/3404-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3404-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3404-22-0x0000000000400000-0x000000000042F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-02 06:27
Reported
2024-09-02 06:29
Platform
win11-20240802-en
Max time kernel
91s
Max time network
95s
Command Line
Signatures
GCleaner
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe |
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\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.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\taskkill.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2228 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2228 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2228 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1496 wrote to memory of 4144 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1496 wrote to memory of 4144 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1496 wrote to memory of 4144 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe
"C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2228 -ip 2228
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 1552
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
| US | 8.8.8.8:53 | 114.75.66.80.in-addr.arpa | udp |
Files
memory/2228-1-0x0000000000690000-0x0000000000790000-memory.dmp
memory/2228-2-0x0000000000810000-0x000000000083D000-memory.dmp
memory/2228-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\12KX1S8M\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2228-9-0x0000000000690000-0x0000000000790000-memory.dmp
memory/2228-11-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2228-12-0x0000000000810000-0x000000000083D000-memory.dmp
memory/2228-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2228-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2228-22-0x0000000000400000-0x000000000042F000-memory.dmp