Analysis Overview
SHA256
a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3
Threat Level: Known bad
The file a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.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 WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 01:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 01:45
Reported
2024-05-10 01:47
Platform
win7-20240508-en
Max time kernel
120s
Max time network
121s
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\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe
"C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2208-1-0x0000000002FF0000-0x00000000030F0000-memory.dmp
memory/2208-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2208-2-0x00000000003C0000-0x00000000003ED000-memory.dmp
memory/2208-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2208-6-0x0000000002FF0000-0x00000000030F0000-memory.dmp
memory/2208-5-0x0000000000400000-0x0000000002B81000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 01:45
Reported
2024-05-10 01:48
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
161s
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\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.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 2748 wrote to memory of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2748 wrote to memory of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2748 wrote to memory of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4280 wrote to memory of 4324 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4280 wrote to memory of 4324 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4280 wrote to memory of 4324 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe
"C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 992
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1344
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=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2748 -ip 2748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1304
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a977eb01f51fb7c09cc433d7854d0cf228c46041a9a4c3de031a90cd43881cf3.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/2748-1-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/2748-2-0x00000000048D0000-0x00000000048FD000-memory.dmp
memory/2748-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2748-4-0x0000000000400000-0x0000000002B81000-memory.dmp
memory/2748-6-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/2748-7-0x00000000048D0000-0x00000000048FD000-memory.dmp
memory/2748-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2748-10-0x0000000000400000-0x0000000002B81000-memory.dmp