Analysis Overview
SHA256
6f4c8936d3a99cb30a58c294ceeaf158587a6fc1776a6dba4213134e4225734c
Threat Level: Known bad
The file e4ff3bee77eea05ba54f0e0757341837.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Program crash
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 14:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 14:53
Reported
2024-08-30 14:56
Platform
win7-20240729-en
Max time kernel
122s
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
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| 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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.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 1508 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1508 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1508 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1508 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2632 wrote to memory of 2728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2728 | 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/1508-1-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/1508-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/1508-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1508-7-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/1508-9-0x0000000000220000-0x000000000024D000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8B420DKQ\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1508-11-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1508-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1508-21-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1508-22-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/1508-23-0x0000000000400000-0x000000000042F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 14:53
Reported
2024-08-30 14:56
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
128s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 1540 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1540 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1540 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\e4ff3bee77eea05ba54f0e0757341837.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3068 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3068 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3068 wrote to memory of 1512 | 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:\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 --field-trial-handle=4344,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
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 456 -p 1540 -ip 1540
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e4ff3bee77eea05ba54f0e0757341837.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 964
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 | 172.210.232.199.in-addr.arpa | udp |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.75.66.80.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.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 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/1540-1-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/1540-2-0x00000000005F0000-0x000000000061D000-memory.dmp
memory/1540-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BKKBWXOR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1540-9-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/1540-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1540-12-0x00000000005F0000-0x000000000061D000-memory.dmp
memory/1540-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1540-21-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1540-22-0x0000000000400000-0x000000000042F000-memory.dmp