Analysis Overview
SHA256
2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954
Threat Level: Known bad
The file 2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Kills process with taskkill
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 13:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 13:36
Reported
2024-09-04 13:39
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 |
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\taskkill.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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
Processes
C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe
"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2272-1-0x0000000000230000-0x0000000000330000-memory.dmp
memory/2272-2-0x00000000003B0000-0x00000000003DD000-memory.dmp
memory/2272-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2272-7-0x0000000000230000-0x0000000000330000-memory.dmp
memory/2272-9-0x00000000003B0000-0x00000000003DD000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NQU8S4LJ\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2272-11-0x0000000000400000-0x0000000000445000-memory.dmp
memory/2272-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2272-21-0x0000000000400000-0x0000000000445000-memory.dmp
memory/2272-23-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2272-22-0x0000000000230000-0x0000000000330000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 13:36
Reported
2024-09-04 13:39
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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 5104 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5104 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5104 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4420 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4420 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4420 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe
"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5104 -ip 5104
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 1260
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/5104-1-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/5104-2-0x0000000002190000-0x00000000021BD000-memory.dmp
memory/5104-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/5104-9-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/5104-10-0x0000000000400000-0x0000000000445000-memory.dmp
memory/5104-11-0x0000000002190000-0x00000000021BD000-memory.dmp
memory/5104-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/5104-21-0x0000000000400000-0x0000000000445000-memory.dmp
memory/5104-22-0x0000000000400000-0x000000000042F000-memory.dmp