Analysis Overview
SHA256
a6219382c6b56f7c5a9294faf6ab223755084cf5e1f298228943cf8102c8a964
Threat Level: Known bad
The file 1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.zip was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Program crash
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-02 13:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 13:34
Reported
2024-04-02 13:37
Platform
win7-20240221-en
Max time kernel
120s
Max time network
124s
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\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe
"C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/1732-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/1732-1-0x0000000000C60000-0x0000000000D60000-memory.dmp
memory/1732-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1732-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1732-6-0x0000000000C60000-0x0000000000D60000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 13:34
Reported
2024-04-02 13:37
Platform
win10v2004-20240226-en
Max time kernel
93s
Max time network
98s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.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 2052 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2052 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2052 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4432 wrote to memory of 1056 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4432 wrote to memory of 1056 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4432 wrote to memory of 1056 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe
"C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 776
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 912
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 992
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 1304
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 1368
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1f4db635b14e316532f5c29e3c03a52459ce43df9517adf81c7b2057450ab037.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 19.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.34.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
Files
memory/2052-2-0x0000000000C90000-0x0000000000CBD000-memory.dmp
memory/2052-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2052-1-0x0000000000CC0000-0x0000000000DC0000-memory.dmp
memory/2052-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2052-6-0x0000000000C90000-0x0000000000CBD000-memory.dmp