Analysis Overview
SHA256
45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e
Threat Level: Likely malicious
The file 45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e was found to be: Likely malicious.
Malicious Activity Summary
Sets file to hidden
Checks computer location settings
Deletes itself
Executes dropped EXE
Indicator Removal: File Deletion
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 21:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 21:41
Reported
2024-11-13 21:43
Platform
win7-20240903-en
Max time kernel
141s
Max time network
131s
Command Line
Signatures
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 |
Indicator Removal: File Deletion
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\zskhost.exe | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| File opened for modification | C:\Windows\Debug\zskhost.exe | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| File opened for modification | C:\Windows\Debug\zskhost.exe | C:\Windows\SysWOW64\attrib.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:\Windows\Debug\zskhost.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:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\zskhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\zskhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.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\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe
"C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.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\45168B~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.47.188:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | ehSPEj3aPj.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | EN9bVDXhdR.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | o4qmG1pMf.nnnn.eu.org | udp |
Files
memory/2364-0-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\Debug\zskhost.exe
| MD5 | de431f2796c3116bec24022f3f0cbf14 |
| SHA1 | 725c87b45adfe8dafd15bad5cbe6c59feceac630 |
| SHA256 | a61eec9ce67ce0ef8c3d58023c5e0e4deab8fa0ca451ca2e7ed79b124a99a18b |
| SHA512 | 27c02dae6ae8f318e01c81fea599fc4e2da1bee9ed2aafe0fb9fc3b65474ae429fee07a181470ffcd19dbb4378ec6fc412031e2385f26738e3e335078a0808cf |
memory/2580-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2364-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2580-7-0x0000000000400000-0x0000000000410000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 21:41
Reported
2024-11-13 21:44
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
162s
Command Line
Signatures
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\pwshost.exe | N/A |
Indicator Removal: File Deletion
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\pwshost.exe | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| File opened for modification | C:\Windows\Debug\pwshost.exe | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| File opened for modification | C:\Windows\Debug\pwshost.exe | C:\Windows\SysWOW64\attrib.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:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Debug\pwshost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\pwshost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\pwshost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.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\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe
"C:\Users\Admin\AppData\Local\Temp\45168b85313de18c101466b0de34cde993f96527c5e06a6a9bf32184445f803e.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\pwshost.exe
C:\Windows\Debug\pwshost.exe
C:\Windows\Debug\pwshost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\45168B~1.EXE > nul
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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.46.96:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.46.235.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | uT4SXOY1RR.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 99.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | UfGdIM199.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 4MxpZKVluN.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 171.117.168.52.in-addr.arpa | udp |
Files
memory/956-0-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\debug\pwshost.exe
| MD5 | 72880636bb4e7e31ed09c19dee929763 |
| SHA1 | 0ece614208708bdf31bf0356b2e06e79ee7d258a |
| SHA256 | 16dfffc3521bda945e180fb194d5c9cc253cbcf71335386b339fceee22a057fa |
| SHA512 | b93de7d8d6f81d79af607a77e2fa496e5a7424d6275155c4829c5f536accc76b07c15c2bd197865c9228754064d22103968a7893fe2e2659354c2c7736bcfd35 |
memory/956-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4464-6-0x0000000000400000-0x0000000000410000-memory.dmp