Analysis Overview
SHA256
657fc1270eb2c6ce78eab6147153a98ea2192fc12861332698195eea64d05674
Threat Level: Known bad
The file 99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.zip was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-02 13:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 13:09
Reported
2024-04-02 13:12
Platform
win7-20240221-en
Max time kernel
121s
Max time network
134s
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\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe
"C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2600-1-0x0000000000BD0000-0x0000000000CD0000-memory.dmp
memory/2600-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2600-3-0x0000000000400000-0x0000000000AF7000-memory.dmp
memory/2600-5-0x0000000000400000-0x0000000000AF7000-memory.dmp
memory/2600-6-0x0000000000BD0000-0x0000000000CD0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 13:09
Reported
2024-04-02 13:12
Platform
win10v2004-20240226-en
Max time kernel
92s
Max time network
156s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.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 2840 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2840 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2840 wrote to memory of 3948 | N/A | C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3948 wrote to memory of 4628 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3948 wrote to memory of 4628 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3948 wrote to memory of 4628 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe
"C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 756
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1344
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2840 -ip 2840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1364
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.34.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/2840-1-0x0000000000B30000-0x0000000000C30000-memory.dmp
memory/2840-2-0x0000000002840000-0x000000000286D000-memory.dmp
memory/2840-3-0x0000000000400000-0x0000000000AF7000-memory.dmp
memory/2840-5-0x0000000000400000-0x0000000000AF7000-memory.dmp
memory/2840-6-0x0000000002840000-0x000000000286D000-memory.dmp