Analysis Overview
SHA256
da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112
Threat Level: Known bad
The file da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Checks computer location settings
Deletes itself
Loads dropped DLL
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-03 19:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-03 19:29
Reported
2024-09-03 19:31
Platform
win10v2004-20240802-en
Max time kernel
96s
Max time network
98s
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\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.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\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.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 3140 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3140 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3140 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4756 wrote to memory of 4660 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4756 wrote to memory of 4660 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4756 wrote to memory of 4660 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe
"C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 464
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1664
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3140 -ip 3140
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1444
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 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/3140-1-0x0000000000630000-0x0000000000730000-memory.dmp
memory/3140-2-0x00000000021F0000-0x000000000222C000-memory.dmp
memory/3140-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3140-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/3140-13-0x0000000000630000-0x0000000000730000-memory.dmp
memory/3140-16-0x00000000021F0000-0x000000000222C000-memory.dmp
memory/3140-15-0x0000000000400000-0x00000000005FB000-memory.dmp
memory/3140-17-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VNN58CU3\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/3140-29-0x0000000000400000-0x00000000005FB000-memory.dmp
memory/3140-36-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3140-35-0x0000000000400000-0x00000000005FB000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-03 19:29
Reported
2024-09-03 19:31
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
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\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.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\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.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\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe
"C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "da15ad1b5bfc49155d9a2a69e5ad10e006c589fc99e53b3d961fa29673398112.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/1804-1-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/1804-2-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1804-3-0x0000000000400000-0x00000000005FB000-memory.dmp
memory/1804-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1804-13-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/1804-14-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1804-17-0x0000000000400000-0x00000000005FB000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1804-29-0x0000000000400000-0x00000000005FB000-memory.dmp
\Users\Admin\AppData\Local\Temp\CHPjyBGa\Y-Cleaner.exe
| MD5 | a8cf5621811f7fac55cfe8cb3fa6b9f6 |
| SHA1 | 121356839e8138a03141f5f5856936a85bd2a474 |
| SHA256 | 614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c |
| SHA512 | 4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd |
memory/1804-39-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/1804-38-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1804-37-0x0000000000400000-0x00000000005FB000-memory.dmp