Analysis Overview
SHA256
b85e0613ef25472f1001e21c2cc4c80ccb133477751927cd9d885a6e2d5661f1
Threat Level: Known bad
The file e5b185c02ef1aa5361ba6fb910758288.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Program crash
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-02 18:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 18:15
Reported
2024-04-02 18:18
Platform
win10v2004-20240226-en
Max time kernel
115s
Max time network
144s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | N/A |
Enumerates physical storage devices
Program crash
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 1180 wrote to memory of 1576 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1180 wrote to memory of 1576 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1180 wrote to memory of 1576 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1576 wrote to memory of 4708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1576 wrote to memory of 4708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1576 wrote to memory of 4708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe
"C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 808
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 856
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 1016
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 1352
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1180 -ip 1180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 1388
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.177.190.20.in-addr.arpa | udp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| GB | 142.250.187.234:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 41.110.86.104.in-addr.arpa | udp |
Files
memory/1180-1-0x0000000000D10000-0x0000000000E10000-memory.dmp
memory/1180-2-0x0000000000C90000-0x0000000000CBD000-memory.dmp
memory/1180-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1180-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1180-6-0x0000000000C90000-0x0000000000CBD000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 18:15
Reported
2024-04-02 18:18
Platform
win7-20240319-en
Max time kernel
120s
Max time network
123s
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
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 2908 wrote to memory of 1344 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2908 wrote to memory of 1344 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2908 wrote to memory of 1344 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2908 wrote to memory of 1344 | N/A | C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1344 wrote to memory of 2708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1344 wrote to memory of 2708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1344 wrote to memory of 2708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1344 wrote to memory of 2708 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe
"C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e5b185c02ef1aa5361ba6fb910758288.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e5b185c02ef1aa5361ba6fb910758288.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2908-1-0x0000000000B60000-0x0000000000C60000-memory.dmp
memory/2908-2-0x00000000002A0000-0x00000000002CD000-memory.dmp
memory/2908-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2908-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2908-6-0x0000000000B60000-0x0000000000C60000-memory.dmp