Analysis Overview
SHA256
b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521
Threat Level: Known bad
The file b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-01 01:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 01:22
Reported
2024-09-01 01:24
Platform
win11-20240802-en
Max time kernel
91s
Max time network
95s
Command Line
Signatures
GCleaner
Enumerates physical storage devices
Program crash
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\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.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 4524 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4524 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4524 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2024 wrote to memory of 4568 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2024 wrote to memory of 4568 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2024 wrote to memory of 4568 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe
"C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 848
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 856
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 952
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1060
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1524
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4524 -ip 4524
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1468
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/4524-2-0x0000000002300000-0x000000000232D000-memory.dmp
memory/4524-1-0x0000000000820000-0x0000000000920000-memory.dmp
memory/4524-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4524-8-0x0000000000820000-0x0000000000920000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MF0NALEG\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4524-10-0x0000000002300000-0x000000000232D000-memory.dmp
memory/4524-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4524-11-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/4524-21-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/4524-22-0x0000000000400000-0x000000000042F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 01:22
Reported
2024-09-01 01:24
Platform
win10v2004-20240802-en
Max time kernel
132s
Max time network
133s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | N/A |
Enumerates physical storage devices
Program crash
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\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.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 1524 wrote to memory of 3084 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1524 wrote to memory of 3084 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1524 wrote to memory of 3084 | N/A | C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3084 wrote to memory of 4260 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3084 wrote to memory of 4260 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3084 wrote to memory of 4260 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe
"C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 844
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 912
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 1064
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 1332
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1524 -ip 1524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 1256
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b5bf7bc1cdeb69ee4be221921721408db3b4dcf94be14899328af41e960ac521.exe" /f
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 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 |
Files
memory/1524-1-0x0000000000950000-0x0000000000A50000-memory.dmp
memory/1524-2-0x0000000000750000-0x000000000077D000-memory.dmp
memory/1524-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1524-8-0x0000000000950000-0x0000000000A50000-memory.dmp
memory/1524-9-0x0000000000400000-0x00000000005F7000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BKKBWXOR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1524-11-0x0000000000750000-0x000000000077D000-memory.dmp
memory/1524-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1524-21-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/1524-22-0x0000000000400000-0x000000000042F000-memory.dmp