Analysis Overview
SHA256
a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474
Threat Level: Known bad
The file a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
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
2024-05-06 21:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-06 21:55
Reported
2024-05-06 21:58
Platform
win10v2004-20240426-en
Max time kernel
143s
Max time network
106s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.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 4548 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4548 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4548 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3576 wrote to memory of 4032 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3576 wrote to memory of 4032 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3576 wrote to memory of 4032 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe
"C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 988
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1048
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1348
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4548 -ip 4548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1284
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| BE | 88.221.83.217:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| BE | 88.221.83.195:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 195.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4548-1-0x0000000001A80000-0x0000000001B80000-memory.dmp
memory/4548-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4548-2-0x0000000003630000-0x000000000365D000-memory.dmp
memory/4548-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4548-5-0x0000000000400000-0x0000000001A16000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-06 21:55
Reported
2024-05-06 21:58
Platform
win11-20240419-en
Max time kernel
90s
Max time network
93s
Command Line
Signatures
GCleaner
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 3292 wrote to memory of 1940 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3292 wrote to memory of 1940 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3292 wrote to memory of 1940 | N/A | C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1940 wrote to memory of 3596 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1940 wrote to memory of 3596 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1940 wrote to memory of 3596 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe
"C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1048
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1436
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3292 -ip 3292
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1388
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" /f
Network
| Country | Destination | Domain | Proto |
| 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 |
Files
memory/3292-1-0x0000000001C10000-0x0000000001D10000-memory.dmp
memory/3292-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3292-2-0x0000000001BD0000-0x0000000001BFD000-memory.dmp
memory/3292-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3292-5-0x0000000000400000-0x0000000001A16000-memory.dmp