Analysis Overview
SHA256
5ee259714e763e88a3579d399ea749b73758fb5e60f746533aece0bc656d51a2
Threat Level: Known bad
The file ewas.exe was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Modifies firewall policy service
Darkcomet
Modifies WinLogon for persistence
Disables Task Manager via registry modification
Disables RegEdit via registry modification
Sets file to hidden
Executes dropped EXE
Loads dropped DLL
UPX packed file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-06 14:55
Signatures
Darkcomet family
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-06 14:55
Reported
2024-05-06 14:58
Platform
win7-20240419-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ewas.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ewas.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ewas.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ewas.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.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 |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ewas.exe
"C:\Users\Admin\AppData\Local\Temp\ewas.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ewas.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\ewas.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | few-madrid.gl.at.ply.gg | udp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
| US | 147.185.221.18:46584 | few-madrid.gl.at.ply.gg | tcp |
Files
memory/1180-0-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/1180-1-0x0000000000270000-0x0000000000271000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | a5bf2efdead82d9852a737a0ca4521b3 |
| SHA1 | 57343b85e7be6fa50062f88ee53eefabb8e9bdde |
| SHA256 | 5ee259714e763e88a3579d399ea749b73758fb5e60f746533aece0bc656d51a2 |
| SHA512 | 6ebf213781c262084dcf586ece5917aa5df75139f2808fb710edddde9893d6fa919dbd66f891c96d6f006ecda235f1f2df0c045c4023c86882aed452b317431d |
memory/1180-13-0x00000000042C0000-0x00000000043A8000-memory.dmp
memory/1180-12-0x00000000042C0000-0x00000000043A8000-memory.dmp
memory/2724-53-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/2724-15-0x0000000000080000-0x0000000000081000-memory.dmp
memory/1180-54-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-55-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-57-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-58-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-59-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-60-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-61-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-62-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-63-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-64-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-65-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-66-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-67-0x0000000000400000-0x00000000004E8000-memory.dmp
memory/3048-68-0x0000000000400000-0x00000000004E8000-memory.dmp