Analysis Overview
SHA256
b9e89992ec807bc2537c0faa87d6c691538dd1c1e606a90a6914faae5a258b56
Threat Level: Known bad
The file f74d9d3a01e6bbea9af8f55da53ebaa0N.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Checks computer location settings
Deletes itself
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Suspicious use of AdjustPrivilegeToken
Kills process with taskkill
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 05:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 05:00
Reported
2024-08-31 05:02
Platform
win7-20240704-en
Max time kernel
32s
Max time network
32s
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\f74d9d3a01e6bbea9af8f55da53ebaa0N.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\f74d9d3a01e6bbea9af8f55da53ebaa0N.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 2120 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2120 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2120 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2120 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2612 wrote to memory of 2788 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2612 wrote to memory of 2788 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2612 wrote to memory of 2788 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2612 wrote to memory of 2788 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe
"C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f74d9d3a01e6bbea9af8f55da53ebaa0N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f74d9d3a01e6bbea9af8f55da53ebaa0N.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2120-1-0x0000000000270000-0x0000000000370000-memory.dmp
memory/2120-2-0x00000000004A0000-0x00000000004DC000-memory.dmp
memory/2120-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/2120-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/2120-12-0x0000000000270000-0x0000000000370000-memory.dmp
memory/2120-14-0x00000000004A0000-0x00000000004DC000-memory.dmp
memory/2120-16-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2120-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\69P6875H\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2120-29-0x0000000000400000-0x0000000000454000-memory.dmp
\Users\Admin\AppData\Local\Temp\ZxOrfDum1kawaGKe\Y-Cleaner.exe
| MD5 | a8cf5621811f7fac55cfe8cb3fa6b9f6 |
| SHA1 | 121356839e8138a03141f5f5856936a85bd2a474 |
| SHA256 | 614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c |
| SHA512 | 4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd |
memory/2120-38-0x0000000000400000-0x000000000043F000-memory.dmp
memory/2120-37-0x0000000000270000-0x0000000000370000-memory.dmp
memory/2120-36-0x0000000000400000-0x0000000000454000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 05:00
Reported
2024-08-31 05:02
Platform
win10v2004-20240802-en
Max time kernel
95s
Max time network
96s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.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\f74d9d3a01e6bbea9af8f55da53ebaa0N.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 224 wrote to memory of 4852 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 224 wrote to memory of 4852 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 224 wrote to memory of 4852 | N/A | C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4852 wrote to memory of 3136 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4852 wrote to memory of 3136 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4852 wrote to memory of 3136 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe
"C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 452
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 828
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 224 -ip 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 1624
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f74d9d3a01e6bbea9af8f55da53ebaa0N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f74d9d3a01e6bbea9af8f55da53ebaa0N.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f74d9d3a01e6bbea9af8f55da53ebaa0N.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 | 241.150.49.20.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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/224-2-0x0000000002070000-0x00000000020AC000-memory.dmp
memory/224-1-0x00000000006D0000-0x00000000007D0000-memory.dmp
memory/224-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/224-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/224-13-0x00000000006D0000-0x00000000007D0000-memory.dmp
memory/224-14-0x0000000000400000-0x0000000000454000-memory.dmp
memory/224-16-0x0000000002070000-0x00000000020AC000-memory.dmp
memory/224-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VNN58CU3\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/224-36-0x0000000000400000-0x000000000043F000-memory.dmp
memory/224-35-0x0000000000400000-0x0000000000454000-memory.dmp