Analysis Overview
SHA256
8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c
Threat Level: Known bad
The file 8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Enumerates physical storage devices
Program crash
Unsigned PE
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-06 12:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-06 12:48
Reported
2024-05-06 12:51
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.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 3708 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3708 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3708 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4996 wrote to memory of 3716 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4996 wrote to memory of 3716 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4996 wrote to memory of 3716 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe
"C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 912
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1032
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1344
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3708 -ip 3708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1364
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.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=3896 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 142.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/3708-1-0x0000000001AF0000-0x0000000001BF0000-memory.dmp
memory/3708-2-0x0000000003760000-0x000000000378D000-memory.dmp
memory/3708-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3708-4-0x0000000000400000-0x0000000001A16000-memory.dmp
memory/3708-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3708-7-0x0000000003760000-0x000000000378D000-memory.dmp
memory/3708-6-0x0000000000400000-0x0000000001A16000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-06 12:48
Reported
2024-05-06 12:51
Platform
win11-20240426-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
GCleaner
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 1520 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1520 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1520 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2248 wrote to memory of 1388 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2248 wrote to memory of 1388 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2248 wrote to memory of 1388 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe
"C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 824
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 1036
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 1428
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 1468
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8bfa06cbad903abde44a9a872adb0b98a69f80cf0efd975c9250782244a7e01c.exe" /f
Network
| Country | Destination | Domain | Proto |
| 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 | 52.111.229.48:443 | tcp |
Files
memory/1520-1-0x0000000001B30000-0x0000000001C30000-memory.dmp
memory/1520-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1520-2-0x0000000003720000-0x000000000374D000-memory.dmp
memory/1520-6-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1520-5-0x0000000000400000-0x0000000001A16000-memory.dmp