Analysis Overview
SHA256
d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e
Threat Level: Known bad
The file d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e was found to be: Known bad.
Malicious Activity Summary
Detects Windows executables referencing non-Windows User-Agents
Detects Windows executables referencing non-Windows User-Agents
Sets file to hidden
Checks computer location settings
Deletes itself
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 03:45
Signatures
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 03:45
Reported
2024-06-01 03:48
Platform
win7-20240508-en
Max time kernel
141s
Max time network
122s
Command Line
Signatures
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\zskhost.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\zskhost.exe | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
| File opened for modification | C:\Windows\Debug\zskhost.exe | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
| File opened for modification | C:\Windows\Debug\zskhost.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe
"C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D60771~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | n1852qXMu.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | NMjKq0Kf68.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | x3uV7ToHqM.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | XjbORHOZ4.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 7PIMPlWJI.nnnn.eu.org | udp |
Files
C:\Windows\Debug\zskhost.exe
| MD5 | 66d625fd9cc1b04f67b23a687c810c9a |
| SHA1 | 1ead9491d97c314873f73309bbdd4d3f51b2efdd |
| SHA256 | 67a92b8b72836db1cd67cb80a339723742b867e4de3933ec9d875284f185b7df |
| SHA512 | 9fb77b2ff6981f543321d158e2a826b6ba13307e1335c19f9a5512b713398e2bf8fc3756560b28b343ea0d2c6128d70606a7bdf8d1e51e7556dc6e8f2fbe3b2a |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 03:45
Reported
2024-06-01 03:48
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\kqchost.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\kqchost.exe | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
| File opened for modification | C:\Windows\Debug\kqchost.exe | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
| File opened for modification | C:\Windows\Debug\kqchost.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe
"C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\kqchost.exe
C:\Windows\Debug\kqchost.exe
C:\Windows\Debug\kqchost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D60771~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ttmLIhF7T6.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | Ww58w0v1Xe.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6cmJhyP9Gs.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gIxVySsl06.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | GyegjPMsEo.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 28.173.189.20.in-addr.arpa | udp |
Files
C:\Windows\Debug\kqchost.exe
| MD5 | 1fc202b589061a03d81b9186f22667ed |
| SHA1 | a12664b8894614e32f3b778373962f107d54c5b7 |
| SHA256 | d01f3b740ff2ae2325629ce9b967ad4bb8912bad13fc938d20e412f31d54730c |
| SHA512 | 4b8a9c719437cb0557c41ced63797e71f0abd090d6ef2ac4abfdea9df2bb708e9af7bcf0ffe9ce63b76740589fc24e3563553fea686c320b080e858ae8fc28db |