Analysis Overview
SHA256
21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
Threat Level: Known bad
The file 4749fcb19cc49a0cd2951f224aced3ba.exe was found to be: Known bad.
Malicious Activity Summary
GCleaner
Downloads MZ/PE file
Deletes itself
Loads dropped DLL
Unsigned PE
System Location Discovery: System Language Discovery
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
2024-08-30 07:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 07:05
Reported
2024-08-30 07:07
Platform
win7-20240729-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
GCleaner
Downloads MZ/PE file
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.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\4749fcb19cc49a0cd2951f224aced3ba.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 1924 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1924 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1924 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1924 wrote to memory of 2632 | N/A | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2632 wrote to memory of 2152 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2152 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2152 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 2632 wrote to memory of 2152 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe
"C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4749fcb19cc49a0cd2951f224aced3ba.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4749fcb19cc49a0cd2951f224aced3ba.exe" /f
Network
| Country | Destination | Domain | Proto |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
| RU | 80.66.75.114:80 | 80.66.75.114 | tcp |
Files
memory/1924-1-0x0000000000550000-0x0000000000650000-memory.dmp
memory/1924-2-0x0000000000220000-0x000000000025C000-memory.dmp
memory/1924-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1924-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/1924-12-0x0000000000550000-0x0000000000650000-memory.dmp
memory/1924-14-0x0000000000220000-0x000000000025C000-memory.dmp
memory/1924-15-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1924-16-0x0000000000400000-0x000000000043F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Q98GZSGI\download[1].htm
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/1924-28-0x0000000000400000-0x000000000044E000-memory.dmp
\Users\Admin\AppData\Local\Temp\kZfj1ShYPH\Y-Cleaner.exe
| MD5 | a8cf5621811f7fac55cfe8cb3fa6b9f6 |
| SHA1 | 121356839e8138a03141f5f5856936a85bd2a474 |
| SHA256 | 614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c |
| SHA512 | 4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd |
memory/1924-37-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1924-39-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1924-38-0x0000000000550000-0x0000000000650000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 07:05
Reported
2024-08-30 07:07
Platform
win10v2004-20240802-en
Max time kernel
96s
Max time network
136s
Command Line
Signatures
GCleaner
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe |
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\4749fcb19cc49a0cd2951f224aced3ba.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe
"C:\Users\Admin\AppData\Local\Temp\4749fcb19cc49a0cd2951f224aced3ba.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1516 -ip 1516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1516 -ip 1516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 520
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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/1516-1-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/1516-2-0x00000000004F0000-0x000000000052C000-memory.dmp
memory/1516-3-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1516-4-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1516-5-0x00000000004F0000-0x000000000052C000-memory.dmp