Analysis Overview
SHA256
da5de27c10c56815fe36a1eb04ece4516dbf7b00fab7eacd3e5b6ee1d0adbaf0
Threat Level: Known bad
The file U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Deletes itself
Checks computer location settings
Loads dropped DLL
System Location Discovery: System Language Discovery
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
2024-09-01 11:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 11:40
Reported
2024-09-01 11:43
Platform
win7-20240729-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe | N/A |
Enumerates physical storage devices
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\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.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
Processes
C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe
"C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/304-1-0x0000000000760000-0x0000000000860000-memory.dmp
memory/304-3-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/304-2-0x0000000000400000-0x000000000043F000-memory.dmp
memory/304-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/304-13-0x0000000000760000-0x0000000000860000-memory.dmp
memory/304-14-0x0000000000400000-0x000000000043F000-memory.dmp
memory/304-16-0x0000000000400000-0x00000000005F7000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/304-28-0x0000000000400000-0x00000000005F7000-memory.dmp
\Users\Admin\AppData\Local\Temp\8KvuKghoR31lg7Y1V2XO7CP1W3SGU\Y-Cleaner.exe
| MD5 | a8cf5621811f7fac55cfe8cb3fa6b9f6 |
| SHA1 | 121356839e8138a03141f5f5856936a85bd2a474 |
| SHA256 | 614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c |
| SHA512 | 4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd |
memory/304-36-0x0000000000400000-0x000000000043F000-memory.dmp
memory/304-37-0x0000000000760000-0x0000000000860000-memory.dmp
memory/304-35-0x0000000000400000-0x00000000005F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 11:40
Reported
2024-09-01 11:43
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
107s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.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\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.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 1320 wrote to memory of 3728 | N/A | C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1320 wrote to memory of 3728 | N/A | C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1320 wrote to memory of 3728 | N/A | C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3728 wrote to memory of 1456 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3728 wrote to memory of 1456 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3728 wrote to memory of 1456 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe
"C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 784
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 800
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 856
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1336
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1320 -ip 1320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 492
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "U41EHY0L51DESQ5S1T59P902Q059L4R7S7WCJSB9DRAAAUQS2Q.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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.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 | 154.239.44.20.in-addr.arpa | udp |
| GB | 88.221.134.2:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 2.134.221.88.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 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/1320-2-0x0000000000740000-0x000000000077C000-memory.dmp
memory/1320-1-0x0000000000890000-0x0000000000990000-memory.dmp
memory/1320-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1320-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1320-13-0x0000000000890000-0x0000000000990000-memory.dmp
memory/1320-16-0x0000000000740000-0x000000000077C000-memory.dmp
memory/1320-15-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/1320-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OD2FK6XO\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1320-29-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/1320-35-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/1320-36-0x0000000000400000-0x000000000043F000-memory.dmp