Analysis Overview
SHA256
6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c
Threat Level: Known bad
The file 6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 01:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 01:31
Reported
2024-08-31 01:34
Platform
win7-20240704-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:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.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\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe
"C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/1232-1-0x00000000008A0000-0x00000000009A0000-memory.dmp
memory/1232-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/1232-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1232-7-0x00000000008A0000-0x00000000009A0000-memory.dmp
memory/1232-9-0x0000000000220000-0x000000000024D000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4RXRX1VH\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1232-11-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1232-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1232-21-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1232-23-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1232-22-0x00000000008A0000-0x00000000009A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 01:31
Reported
2024-08-31 01:34
Platform
win10v2004-20240802-en
Max time kernel
136s
Max time network
125s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.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\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe |
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\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.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 4188 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4188 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4188 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2224 wrote to memory of 2888 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2224 wrote to memory of 2888 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2224 wrote to memory of 2888 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe
"C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4188 -ip 4188
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 1516
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 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/4188-1-0x0000000000770000-0x0000000000870000-memory.dmp
memory/4188-2-0x00000000005B0000-0x00000000005DD000-memory.dmp
memory/4188-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3GJVVK7B\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4188-9-0x0000000000770000-0x0000000000870000-memory.dmp
memory/4188-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4188-11-0x00000000005B0000-0x00000000005DD000-memory.dmp
memory/4188-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4188-21-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4188-22-0x0000000000400000-0x000000000042F000-memory.dmp