Analysis Overview
SHA256
c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92
Threat Level: Known bad
The file c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 11:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 11:44
Reported
2024-09-04 11:47
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
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\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.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\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe
"C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2788-1-0x0000000000760000-0x0000000000860000-memory.dmp
memory/2788-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2788-3-0x0000000000400000-0x000000000042F000-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/2788-9-0x0000000000760000-0x0000000000860000-memory.dmp
memory/2788-11-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2788-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2788-12-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/2788-22-0x0000000000760000-0x0000000000860000-memory.dmp
memory/2788-21-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/2788-23-0x0000000000400000-0x000000000042F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 11:44
Reported
2024-09-04 11:47
Platform
win10v2004-20240802-en
Max time kernel
92s
Max time network
93s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe | N/A |
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\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.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 4116 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4116 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4116 wrote to memory of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3356 wrote to memory of 4124 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3356 wrote to memory of 4124 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3356 wrote to memory of 4124 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe
"C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1120
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1332
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1296
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f
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 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
Files
memory/4116-1-0x0000000000610000-0x0000000000710000-memory.dmp
memory/4116-2-0x0000000002340000-0x000000000236D000-memory.dmp
memory/4116-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4116-8-0x0000000000610000-0x0000000000710000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LI43KEDR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4116-11-0x0000000002340000-0x000000000236D000-memory.dmp
memory/4116-10-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/4116-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4116-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4116-21-0x0000000000400000-0x00000000005FE000-memory.dmp