Analysis Overview
SHA256
e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d
Threat Level: Known bad
The file e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
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
2024-09-02 10:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-02 10:50
Reported
2024-09-02 10:52
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.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\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.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\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.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 2740 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2740 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2740 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1040 wrote to memory of 3820 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1040 wrote to memory of 3820 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1040 wrote to memory of 3820 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe
"C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2740 -ip 2740
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1580
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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.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 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/2740-1-0x0000000000580000-0x0000000000680000-memory.dmp
memory/2740-2-0x00000000020B0000-0x00000000020EC000-memory.dmp
memory/2740-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/2740-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/2740-13-0x0000000000580000-0x0000000000680000-memory.dmp
memory/2740-15-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2740-16-0x00000000020B0000-0x00000000020EC000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BOIFDBOU\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2740-18-0x0000000000400000-0x000000000043F000-memory.dmp
memory/2740-29-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2740-35-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2740-36-0x0000000000400000-0x000000000043F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-02 10:50
Reported
2024-09-02 10:52
Platform
win11-20240802-en
Max time kernel
91s
Max time network
94s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
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\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.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\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.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 1116 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1116 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1116 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4928 wrote to memory of 2988 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4928 wrote to memory of 2988 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4928 wrote to memory of 2988 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe
"C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e5fd67a9b4d65ce3c03b1728f0783a15ff8a85b1c8d5c7e1abf5ff5d83e1bb5d.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1116 -ip 1116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1668
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 |
Files
memory/1116-1-0x00007FF968EE0000-0x00007FF9690E9000-memory.dmp
memory/1116-6-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1116-11-0x00007FF968EE0000-0x00007FF9690E9000-memory.dmp
memory/1116-13-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6LUG8YDR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1116-25-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1116-31-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1116-32-0x00007FF968EE0000-0x00007FF9690E9000-memory.dmp