Analysis Overview
SHA256
7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37
Threat Level: Known bad
The file 7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37 was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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
2024-09-01 12:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 12:55
Reported
2024-09-01 12:57
Platform
win7-20240704-en
Max time kernel
118s
Max time network
119s
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
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\taskkill.exe | N/A |
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\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe
"C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/2224-1-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/2224-2-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2224-3-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/2224-8-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/2224-9-0x0000000000400000-0x000000000042F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M7H6XY0V\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/2224-11-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/2224-23-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/2224-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2224-21-0x0000000000400000-0x00000000005F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 12:55
Reported
2024-09-01 12:57
Platform
win10v2004-20240802-en
Max time kernel
134s
Max time network
102s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | N/A |
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\taskkill.exe | N/A |
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 4544 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4544 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4544 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3636 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3636 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 3636 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe
"C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 816
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 1008
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 1340
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4544 -ip 4544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 1464
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "7fb4cd6127f2690e8e27f9e696ed38856ca97386550852e647714f8ed9e65b37.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
| US | 8.8.8.8:53 | 114.75.66.80.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4544-1-0x0000000000950000-0x0000000000A50000-memory.dmp
memory/4544-2-0x00000000008A0000-0x00000000008CD000-memory.dmp
memory/4544-3-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4544-8-0x0000000000950000-0x0000000000A50000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\THHXO5RX\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4544-11-0x00000000008A0000-0x00000000008CD000-memory.dmp
memory/4544-10-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/4544-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4544-21-0x0000000000400000-0x00000000005F7000-memory.dmp
memory/4544-22-0x0000000000400000-0x000000000042F000-memory.dmp