Analysis Overview
SHA256
ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf
Threat Level: Known bad
The file ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.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
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-11 02:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-11 02:03
Reported
2024-05-11 02:06
Platform
win7-20240419-en
Max time kernel
117s
Max time network
118s
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
Processes
C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe
"C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/1752-1-0x0000000000400000-0x000000000257B000-memory.dmp
memory/1752-4-0x0000000000400000-0x000000000257B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-11 02:03
Reported
2024-05-11 02:06
Platform
win10v2004-20240508-en
Max time kernel
125s
Max time network
127s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.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 2532 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2532 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2532 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2188 wrote to memory of 2348 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2188 wrote to memory of 2348 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2188 wrote to memory of 2348 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe
"C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.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 --no-appcompat-clear --field-trial-handle=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 744
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1020
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1356
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1284
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ff8f82b43811e61b65d707f35cac31af19e0fa5d7a15e920e665524a18ca1fdf.exe" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2532 -ip 2532
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1460
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
Files
memory/2532-2-0x0000000002900000-0x0000000002A00000-memory.dmp
memory/2532-4-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2532-3-0x00000000026D0000-0x00000000026FD000-memory.dmp
memory/2532-1-0x0000000000400000-0x000000000257B000-memory.dmp
memory/2532-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2532-6-0x0000000000400000-0x000000000257B000-memory.dmp