Analysis Overview
SHA256
f54df54335eb1edb832f6a501d095b0d2011c32a81f061397e04908efab35b3e
Threat Level: Known bad
The file DCRatBuild.exe was found to be: Known bad.
Malicious Activity Summary
DcRat
DCRat payload
Dcrat family
Process spawned unexpected child process
DCRat payload
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 12:22
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-21 12:22
Reported
2024-06-21 12:25
Platform
win7-20240611-en
Max time kernel
121s
Max time network
151s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Windows Sidebar\Gadgets\services.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\Gadgets\c5b4cb5e9653cc | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\lsm.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\101b941d020240 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\System.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\27d1bcfc3c54e0 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\it-IT\taskhost.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\it-IT\b75386f1303e64 | C:\PortserverWin\serverwin.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\886983d96e3d3e | C:\PortserverWin\serverwin.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
| N/A | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\PortserverWin\serverwin.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\PortserverWin\hbvALF5ANwO637LJ.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\PortserverWin\XYXAwlDcaTvxZITkmh1OkrpHr.bat" "
C:\PortserverWin\serverwin.exe
"C:\PortserverWin\serverwin.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Recovery\0f2bee02-28a9-11ef-983f-46d84c032646\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\0f2bee02-28a9-11ef-983f-46d84c032646\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Recovery\0f2bee02-28a9-11ef-983f-46d84c032646\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\PortserverWin\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\PortserverWin\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\PortserverWin\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Sidebar\it-IT\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\it-IT\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Sidebar\it-IT\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Portable Devices\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Portable Devices\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\QtBXlDZwLn.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe
"C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\csrss.exe"
C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SubmitGrant.asx"
C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SubmitGrant.asx"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0998812.xsph.ru | udp |
| RU | 141.8.192.163:80 | a0998812.xsph.ru | tcp |
| RU | 141.8.192.163:80 | a0998812.xsph.ru | tcp |
| RU | 141.8.192.163:80 | a0998812.xsph.ru | tcp |
| RU | 141.8.192.163:80 | a0998812.xsph.ru | tcp |
Files
C:\PortserverWin\hbvALF5ANwO637LJ.vbe
| MD5 | ac7f40d86252e33f7eaa68237c8ef92e |
| SHA1 | 3cca1a9e29e8ab5a3a72ac9c8eac2c482a0da30b |
| SHA256 | 90cd9a07fcbef6f39445d04035adbdcde5f1cc91e7f7f084516efbc5ba95c3ca |
| SHA512 | 1d66fedbc2b1d882b007d4b36c3ffef1c5d550c60ceb14c7517b48e08deb2f7e868fdd419d6545e07fe4a859ff088746f8a6892b9e99a8d2216f7c3a4bc2c694 |
C:\PortserverWin\XYXAwlDcaTvxZITkmh1OkrpHr.bat
| MD5 | f97003508c4a7da05b8dd7ec2eb5d19d |
| SHA1 | 57c69807156d660c0394caf53af6d7edb10419ae |
| SHA256 | 0065d6587056351f930803b1030b2d1b210e41a4a731f3d0e4f55d903a0b80e0 |
| SHA512 | 86c8a7697d0593dc48bd1343af8c114e85fa422380ae7cfcbd549d4b740e7aff4faf23d0ff06d1c7e4b6a1b0f3eafe15ddfbc451d42815ec23b4ee7e6437124d |
\PortserverWin\serverwin.exe
| MD5 | eee8aebed57ea1fb9fb307a967e6892a |
| SHA1 | 047a0c84eeba395bf99e99872ad56bb35416bb2b |
| SHA256 | 1d5d6374bc49780c31381696ad42a24369b398a2a85580196c031067f97e621d |
| SHA512 | 411d5d02d40de7ec4eb4679cc1047df0987060676bbd721efe099c6babbaead2dccdd68a394afe930c96bb34f40c0512ae4ca224c152f02721072cc14c04004d |
memory/2780-13-0x00000000008B0000-0x0000000000986000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\QtBXlDZwLn.bat
| MD5 | cf051f4087ff2c850f4a53b0cdf8c3d6 |
| SHA1 | eb3e686cd47065c0a76f4d45dff7e2d9813bfed9 |
| SHA256 | d1887a3a689af7e6235a3fbe1f71caaca25354abf7e90016e905e8113d556e47 |
| SHA512 | 7b20b7d27c0d55975f59bd0b8040f46738ba2d76d9a3dedf626633a2092e3b6a37901f2b3e6462cdc67e3ab159aafe7e7ba933e032a7567142890d645e4f8641 |
memory/1628-35-0x0000000000850000-0x0000000000926000-memory.dmp
memory/2144-36-0x000000013F750000-0x000000013F848000-memory.dmp
memory/2144-37-0x000007FEFB760000-0x000007FEFB794000-memory.dmp
memory/2144-39-0x000007FEF7EB0000-0x000007FEF7EC8000-memory.dmp
memory/2144-40-0x000007FEF7E30000-0x000007FEF7E47000-memory.dmp
memory/2144-38-0x000007FEF23C0000-0x000007FEF2676000-memory.dmp
memory/2144-41-0x000007FEF7D50000-0x000007FEF7D61000-memory.dmp
memory/1352-54-0x000000013F750000-0x000000013F848000-memory.dmp
memory/1352-56-0x000007FEF23C0000-0x000007FEF2676000-memory.dmp
memory/1352-55-0x000007FEFB760000-0x000007FEFB794000-memory.dmp
memory/1352-57-0x000007FEECA40000-0x000007FEEDAF0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-21 12:22
Reported
2024-06-21 12:25
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\PortserverWin\serverwin.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Microsoft Office\root\Client\55b276f4edf653 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Windows Defender\System.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Windows Defender\27d1bcfc3c54e0 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\fontdrvhost.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\uk-UA\conhost.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\uk-UA\088424020bedd6 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Client\StartMenuExperienceHost.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Mozilla Maintenance Service\logs\9e8d7a4ca61bd9 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\9e8d7a4ca61bd9 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\5b884080fd4f94 | C:\PortserverWin\serverwin.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Branding\shellbrd\wininit.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\Branding\shellbrd\56085415360792 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\DigitalLocker\en-US\RuntimeBroker.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\DigitalLocker\en-US\9e8d7a4ca61bd9 | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\SystemResources\Windows.UI.Cred\pris\csrss.exe | C:\PortserverWin\serverwin.exe | N/A |
| File created | C:\Windows\SystemResources\Windows.UI.Cred\pris\886983d96e3d3e | C:\PortserverWin\serverwin.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\PortserverWin\serverwin.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\PortserverWin\serverwin.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\PortserverWin\hbvALF5ANwO637LJ.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\PortserverWin\XYXAwlDcaTvxZITkmh1OkrpHr.bat" "
C:\PortserverWin\serverwin.exe
"C:\PortserverWin\serverwin.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Microsoft Office\root\Client\StartMenuExperienceHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\root\Client\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Office\root\Client\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Defender\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Defender\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Windows\SystemResources\Windows.UI.Cred\pris\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\SystemResources\Windows.UI.Cred\pris\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Windows\SystemResources\Windows.UI.Cred\pris\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Windows\Branding\shellbrd\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Branding\shellbrd\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows\Branding\shellbrd\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files\Google\Chrome\Application\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files\Google\Chrome\Application\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\SendTo\sihost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\Admin\SendTo\sihost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\SendTo\sihost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\PortserverWin\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\PortserverWin\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\PortserverWin\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Internet Explorer\uk-UA\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\uk-UA\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Internet Explorer\uk-UA\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Windows\DigitalLocker\en-US\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Windows\DigitalLocker\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\PortserverWin\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\PortserverWin\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 11 /tr "'C:\PortserverWin\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Admin\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe
"C:\Program Files (x86)\Windows Defender\fr-FR\RuntimeBroker.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0998812.xsph.ru | udp |
| US | 8.8.8.8:53 | a0998812.xsph.ru | udp |
Files
C:\PortserverWin\hbvALF5ANwO637LJ.vbe
| MD5 | ac7f40d86252e33f7eaa68237c8ef92e |
| SHA1 | 3cca1a9e29e8ab5a3a72ac9c8eac2c482a0da30b |
| SHA256 | 90cd9a07fcbef6f39445d04035adbdcde5f1cc91e7f7f084516efbc5ba95c3ca |
| SHA512 | 1d66fedbc2b1d882b007d4b36c3ffef1c5d550c60ceb14c7517b48e08deb2f7e868fdd419d6545e07fe4a859ff088746f8a6892b9e99a8d2216f7c3a4bc2c694 |
C:\PortserverWin\XYXAwlDcaTvxZITkmh1OkrpHr.bat
| MD5 | f97003508c4a7da05b8dd7ec2eb5d19d |
| SHA1 | 57c69807156d660c0394caf53af6d7edb10419ae |
| SHA256 | 0065d6587056351f930803b1030b2d1b210e41a4a731f3d0e4f55d903a0b80e0 |
| SHA512 | 86c8a7697d0593dc48bd1343af8c114e85fa422380ae7cfcbd549d4b740e7aff4faf23d0ff06d1c7e4b6a1b0f3eafe15ddfbc451d42815ec23b4ee7e6437124d |
C:\PortserverWin\serverwin.exe
| MD5 | eee8aebed57ea1fb9fb307a967e6892a |
| SHA1 | 047a0c84eeba395bf99e99872ad56bb35416bb2b |
| SHA256 | 1d5d6374bc49780c31381696ad42a24369b398a2a85580196c031067f97e621d |
| SHA512 | 411d5d02d40de7ec4eb4679cc1047df0987060676bbd721efe099c6babbaead2dccdd68a394afe930c96bb34f40c0512ae4ca224c152f02721072cc14c04004d |
memory/3960-12-0x00007FFF7C023000-0x00007FFF7C025000-memory.dmp
memory/3960-13-0x0000000000B00000-0x0000000000BD6000-memory.dmp