Analysis Overview
SHA256
bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65
Threat Level: Known bad
The file bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 19:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 19:18
Reported
2024-05-10 19:21
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.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 2740 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2740 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2740 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3312 wrote to memory of 3680 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3312 wrote to memory of 3680 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3312 wrote to memory of 3680 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe
"C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1356
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1444
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| BE | 2.17.107.121:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| BE | 2.17.107.121:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/2740-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2740-2-0x0000000004180000-0x00000000041AD000-memory.dmp
memory/2740-1-0x00000000026A0000-0x00000000027A0000-memory.dmp
memory/2740-4-0x0000000000400000-0x000000000257C000-memory.dmp
memory/2740-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2740-6-0x0000000000400000-0x000000000257C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 19:18
Reported
2024-05-10 19:21
Platform
win11-20240426-en
Max time kernel
91s
Max time network
99s
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 4540 wrote to memory of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4540 wrote to memory of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4540 wrote to memory of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4972 wrote to memory of 2264 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4972 wrote to memory of 2264 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4972 wrote to memory of 2264 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe
"C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 1048
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4540 -ip 4540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 1428
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "bf75dd6a81cee07720741cf46bf780eb793d9518a5dfc40ebf7396ea0ae7ea65.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 |
| US | 52.111.229.48:443 | tcp |
Files
memory/4540-1-0x0000000002650000-0x0000000002750000-memory.dmp
memory/4540-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4540-2-0x0000000004280000-0x00000000042AD000-memory.dmp
memory/4540-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4540-5-0x0000000000400000-0x000000000257C000-memory.dmp