Analysis Overview
SHA256
33933b6786d67dccb5515c5ec4caab649deaca0848a396006b1ad62887c2ede0
Threat Level: Known bad
The file 4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.zip was found to be: Known bad.
Malicious Activity Summary
GCleaner
Checks computer location settings
Deletes itself
Unsigned PE
Enumerates physical storage devices
Program crash
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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: 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
102s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.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 1832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2732 wrote to memory of 728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2732 wrote to memory of 728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2732 wrote to memory of 728 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe
"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 1352
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1832 -ip 1832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 1396
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.110.86.104.in-addr.arpa | udp |
| IE | 52.111.236.21:443 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/1832-1-0x0000000000DD0000-0x0000000000ED0000-memory.dmp
memory/1832-2-0x0000000000D50000-0x0000000000D7D000-memory.dmp
memory/1832-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1832-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/1832-6-0x0000000000D50000-0x0000000000D7D000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 13:09
Reported
2024-04-02 13:12
Platform
win7-20240221-en
Max time kernel
120s
Max time network
125s
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\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe
"C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2148-1-0x0000000000BE0000-0x0000000000CE0000-memory.dmp
memory/2148-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2148-3-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2148-5-0x0000000000400000-0x0000000000AF0000-memory.dmp
memory/2148-6-0x0000000000BE0000-0x0000000000CE0000-memory.dmp
memory/2148-7-0x0000000000220000-0x000000000024D000-memory.dmp