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
Deletes itself
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-02 10:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-02 10:28
Reported
2024-09-02 10:30
Platform
win7-20240704-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
GCleaner
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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\taskkill.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.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
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\taskkill.exe
taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2728-1-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2728-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2728-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4UQ4J2DQ\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2728-9-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2728-11-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2728-12-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2728-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2728-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2728-23-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2728-22-0x0000000000560000-0x0000000000660000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-02 10:28
Reported
2024-09-02 10:30
Platform
win10v2004-20240802-en
Max time kernel
84s
Max time network
138s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\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 2264 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2264 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2264 wrote to memory of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4492 wrote to memory of 4100 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4492 wrote to memory of 4100 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4492 wrote to memory of 4100 | 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\taskkill.exe
taskkill /im "def4d4784c21e82d12c9f66b192d3a809f1aa4c03f0120a169e20989e069f540.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2264 -ip 2264
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 1304
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 154.239.44.20.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 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/2264-1-0x0000000000680000-0x0000000000780000-memory.dmp
memory/2264-2-0x00000000005C0000-0x00000000005ED000-memory.dmp
memory/2264-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VNN58CU3\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2264-9-0x0000000000680000-0x0000000000780000-memory.dmp
memory/2264-10-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2264-12-0x00000000005C0000-0x00000000005ED000-memory.dmp
memory/2264-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2264-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2264-22-0x0000000000400000-0x000000000042F000-memory.dmp