Analysis Overview
SHA256
6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c
Threat Level: Known bad
The file e4ff3bee77eea05ba54f0e0757341837.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Deletes itself
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 07:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 07:57
Reported
2024-08-30 07:59
Platform
win7-20240708-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
GCleaner
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\taskkill.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.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 2536 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2536 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2536 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2536 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3044 wrote to memory of 2500 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3044 wrote to memory of 2500 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3044 wrote to memory of 2500 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3044 wrote to memory of 2500 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe
"C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e4ff3bee77eea05ba54f0e0757341837.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e4ff3bee77eea05ba54f0e0757341837.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2536-1-0x00000000008A0000-0x00000000009A0000-memory.dmp
memory/2536-2-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2536-3-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2536-8-0x00000000008A0000-0x00000000009A0000-memory.dmp
memory/2536-9-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YW15VCHK\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2536-11-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2536-23-0x00000000008A0000-0x00000000009A0000-memory.dmp
memory/2536-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2536-21-0x0000000000400000-0x0000000000454000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 07:57
Reported
2024-08-30 07:59
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
151s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe |
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\e4ff3bee77eea05ba54f0e0757341837.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 3336 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3336 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3336 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 548 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 548 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 548 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe
"C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e4ff3bee77eea05ba54f0e0757341837.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3336 -ip 3336
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e4ff3bee77eea05ba54f0e0757341837.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 1484
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 |
Files
memory/3336-1-0x0000000000490000-0x0000000000590000-memory.dmp
memory/3336-2-0x0000000000460000-0x000000000048D000-memory.dmp
memory/3336-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LI43KEDR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/3336-9-0x0000000000490000-0x0000000000590000-memory.dmp
memory/3336-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3336-12-0x0000000000460000-0x000000000048D000-memory.dmp
memory/3336-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3336-21-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3336-22-0x0000000000400000-0x000000000042F000-memory.dmp