Analysis Overview
SHA256
506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57
Threat Level: Known bad
The file 506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Deletes itself
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
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 18:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-02 18:08
Reported
2024-09-02 18:10
Platform
win7-20240708-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.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\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.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\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe
"C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/1404-1-0x0000000000610000-0x0000000000710000-memory.dmp
memory/1404-2-0x0000000000220000-0x000000000025C000-memory.dmp
memory/1404-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1404-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1404-12-0x0000000000610000-0x0000000000710000-memory.dmp
memory/1404-14-0x0000000000220000-0x000000000025C000-memory.dmp
memory/1404-16-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1404-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT8UAXPK\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1404-29-0x0000000000400000-0x0000000000453000-memory.dmp
\Users\Admin\AppData\Local\Temp\O2PTvOBqx4PKzM7JxIESQ5w\Y-Cleaner.exe
| MD5 | a8cf5621811f7fac55cfe8cb3fa6b9f6 |
| SHA1 | 121356839e8138a03141f5f5856936a85bd2a474 |
| SHA256 | 614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c |
| SHA512 | 4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd |
memory/1404-36-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1404-37-0x0000000000610000-0x0000000000710000-memory.dmp
memory/1404-38-0x0000000000400000-0x000000000043F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-02 18:08
Reported
2024-09-02 18:10
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
146s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
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\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.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\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| 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\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.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 3624 wrote to memory of 1652 | N/A | C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3624 wrote to memory of 1652 | N/A | C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3624 wrote to memory of 1652 | N/A | C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1652 wrote to memory of 3420 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1652 wrote to memory of 3420 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1652 wrote to memory of 3420 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe
"C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3624 -ip 3624
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "506e0670b1fd6a2fadb4dbb6bbb40436228b76989e8d0c73e0a31cfd65425b57.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1336
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 |
| 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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.16.208.104.in-addr.arpa | udp |
Files
memory/3624-1-0x0000000000530000-0x0000000000630000-memory.dmp
memory/3624-2-0x0000000002080000-0x00000000020BC000-memory.dmp
memory/3624-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3624-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/3624-13-0x0000000000530000-0x0000000000630000-memory.dmp
memory/3624-15-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3624-16-0x0000000002080000-0x00000000020BC000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZK5NPJWQ\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/3624-18-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3624-29-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3624-35-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3624-36-0x0000000000400000-0x000000000043F000-memory.dmp