Analysis Overview
SHA256
58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151
Threat Level: Known bad
The file 58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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
2024-09-04 16:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 16:04
Reported
2024-09-04 16:06
Platform
win7-20240903-en
Max time kernel
118s
Max time network
119s
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:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.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\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe
"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2068-1-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/2068-2-0x00000000002E0000-0x000000000030D000-memory.dmp
memory/2068-3-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\9UR26M8S\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2068-9-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/2068-11-0x00000000002E0000-0x000000000030D000-memory.dmp
memory/2068-12-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2068-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2068-21-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2068-23-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2068-22-0x00000000004D0000-0x00000000005D0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 16:04
Reported
2024-09-04 16:06
Platform
win10v2004-20240802-en
Max time kernel
125s
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\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.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:\Windows\SysWOW64\taskkill.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.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 2144 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2144 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2144 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4640 wrote to memory of 2508 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4640 wrote to memory of 2508 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4640 wrote to memory of 2508 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe
"C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 732
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 808
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1120
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=4336,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1384
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1436
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "58a8715a6652319788b334021b474a93c1595b3ea8ad411b881c5e84402bc151.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
Files
memory/2144-1-0x00000000004E0000-0x00000000005E0000-memory.dmp
memory/2144-2-0x0000000002190000-0x00000000021BD000-memory.dmp
memory/2144-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2144-8-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2144-9-0x00000000004E0000-0x00000000005E0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BKKBWXOR\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2144-11-0x0000000002190000-0x00000000021BD000-memory.dmp
memory/2144-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2144-21-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2144-22-0x0000000000400000-0x000000000042F000-memory.dmp