Analysis Overview
SHA256
9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108
Threat Level: Known bad
The file 9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-05 22:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-05 22:45
Reported
2024-09-05 22:50
Platform
win7-20240903-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
GCleaner
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
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\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.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
Processes
C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe
"C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2632-1-0x0000000000250000-0x0000000000350000-memory.dmp
memory/2632-2-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2632-3-0x0000000000400000-0x00000000005FB000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\01LB6K3J\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2632-9-0x0000000000250000-0x0000000000350000-memory.dmp
memory/2632-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2632-12-0x0000000000400000-0x00000000005FB000-memory.dmp
memory/2632-23-0x0000000000250000-0x0000000000350000-memory.dmp
memory/2632-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2632-21-0x0000000000400000-0x00000000005FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-05 22:45
Reported
2024-09-05 22:50
Platform
win10-20240404-en
Max time kernel
195s
Max time network
298s
Command Line
Signatures
GCleaner
Enumerates physical storage devices
Program crash
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\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.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 4512 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4512 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4512 wrote to memory of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1512 wrote to memory of 2844 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1512 wrote to memory of 2844 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1512 wrote to memory of 2844 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe
"C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 808
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 768
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1008
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1092
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1272
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "9bf7c1a6f1ad7d8f4cf95d56162a3865c22e8ebc229c3dbc97a237047c044108.exe" /f
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 |
| US | 8.8.8.8:53 | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/4512-2-0x0000000000740000-0x000000000076D000-memory.dmp
memory/4512-1-0x00000000007A0000-0x00000000008A0000-memory.dmp
memory/4512-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4512-8-0x00000000007A0000-0x00000000008A0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E49JWOHD\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4512-10-0x0000000000740000-0x000000000076D000-memory.dmp
memory/4512-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4512-11-0x0000000000400000-0x00000000005FB000-memory.dmp
memory/4512-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4512-21-0x0000000000400000-0x00000000005FB000-memory.dmp