Analysis Overview
SHA256
8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d
Threat Level: Known bad
The file 8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 00:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 00:33
Reported
2024-09-04 00:35
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
97s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.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\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.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 4140 wrote to memory of 320 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4140 wrote to memory of 320 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4140 wrote to memory of 320 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 320 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 320 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 320 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe
"C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 756
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1560
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4140 -ip 4140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 532
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/4140-1-0x00000000007E0000-0x00000000008E0000-memory.dmp
memory/4140-2-0x00000000007A0000-0x00000000007DB000-memory.dmp
memory/4140-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/4140-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/4140-13-0x00000000007E0000-0x00000000008E0000-memory.dmp
memory/4140-16-0x00000000007A0000-0x00000000007DB000-memory.dmp
memory/4140-15-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/4140-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H9MX5QVK\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4140-29-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/4140-35-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/4140-36-0x0000000000400000-0x000000000043F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 00:33
Reported
2024-09-04 00:35
Platform
win11-20240802-en
Max time kernel
92s
Max time network
100s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
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\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.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 1072 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1072 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1072 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1796 wrote to memory of 2880 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1796 wrote to memory of 2880 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1796 wrote to memory of 2880 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe
"C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 860
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 852
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 1084
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 1756
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1072 -ip 1072
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 1448
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8c55d689dfdff3c0e87ace5baaf075a3f80c7ecb61d658d345e949f9a28efd6d.exe" /f
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 |
| US | 52.111.227.13:443 | tcp |
Files
memory/1072-1-0x00000000008E0000-0x00000000009E0000-memory.dmp
memory/1072-2-0x00000000008A0000-0x00000000008DB000-memory.dmp
memory/1072-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1072-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1072-13-0x00000000008E0000-0x00000000009E0000-memory.dmp
memory/1072-15-0x00000000008A0000-0x00000000008DB000-memory.dmp
memory/1072-17-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1072-16-0x0000000000400000-0x00000000005FE000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LQOABF8X\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1072-29-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/1072-36-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1072-35-0x0000000000400000-0x00000000005FE000-memory.dmp