Analysis Overview
SHA256
5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885
Threat Level: Known bad
The file 5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-05 22:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-05 22:39
Reported
2024-09-05 22:44
Platform
win7-20240729-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\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.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\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe
"C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/1916-1-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/1916-2-0x00000000002A0000-0x00000000002CD000-memory.dmp
memory/1916-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1916-7-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/1916-9-0x00000000002A0000-0x00000000002CD000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8B420DKQ\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1916-11-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1916-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1916-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1916-23-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1916-22-0x00000000004C0000-0x00000000005C0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-05 22:39
Reported
2024-09-05 22:44
Platform
win10-20240404-en
Max time kernel
195s
Max time network
257s
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\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.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 1164 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1164 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1164 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2848 wrote to memory of 1724 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2848 wrote to memory of 1724 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2848 wrote to memory of 1724 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe
"C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 844
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 944
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 988
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 1112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 1124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 1428
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "5fb39f0a1b82a980e5c546a61656afee30fe0930cac1525b119521786fcbd885.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 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 253.15.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/1164-1-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1164-2-0x00000000004B0000-0x00000000004DD000-memory.dmp
memory/1164-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1164-8-0x0000000000630000-0x0000000000730000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V28C7N3J\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1164-10-0x00000000004B0000-0x00000000004DD000-memory.dmp
memory/1164-12-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1164-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1164-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1164-22-0x0000000000400000-0x000000000042F000-memory.dmp