Analysis Overview
SHA256
a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3
Threat Level: Known bad
The file a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Deletes itself
Program crash
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 08:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 08:47
Reported
2024-05-10 08:50
Platform
win7-20240221-en
Max time kernel
118s
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
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\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe
"C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2360-1-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/2360-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2360-2-0x00000000001B0000-0x00000000001DD000-memory.dmp
memory/2360-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2360-6-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/2360-5-0x0000000000400000-0x0000000002B81000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 08:47
Reported
2024-05-10 08:50
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | N/A |
Enumerates physical storage devices
Program crash
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 3604 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3604 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3604 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4948 wrote to memory of 3468 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4948 wrote to memory of 3468 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4948 wrote to memory of 3468 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe
"C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 1344
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3604 -ip 3604
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 1288
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| NL | 23.62.61.106:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 106.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
Files
memory/3604-2-0x00000000047B0000-0x00000000047DD000-memory.dmp
memory/3604-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp
memory/3604-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3604-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3604-6-0x00000000047B0000-0x00000000047DD000-memory.dmp
memory/3604-5-0x0000000000400000-0x0000000002B81000-memory.dmp