Analysis
- max time kernel
150s - max time network
176s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
06/11/2024, 13:11
General
- Target CraxsRat V7.4/CraxsRat V7.4/CraxsRat V7.4.exe
- Size 62.2MB
- Sample241106-qe1wsssreq
- SHA256 0530181f39d786218085f317b23fc38c271c6b99bf063662c46948214a988eaa
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
- Executes dropped EXE 6 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 2 IoCs
- Drops file in Windows directory 5 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CraxsRat V7.4\CraxsRat V7.4\CraxsRat V7.4.exe"C:\Users\Admin\AppData\Local\Temp\CraxsRat V7.4\CraxsRat V7.4\CraxsRat V7.4.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\users\admin\appdata\local\temp\craxsrat v7.4\craxsrat v7.4\craxsrat v7.4.exe"c:\users\admin\appdata\local\temp\craxsrat v7.4\craxsrat v7.4\craxsrat v7.4.exe "2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
-
C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/320-19-0x0000000000400000-0x000000000041F000-memory.dmp
memory/320-61-0x0000000000400000-0x000000000041F000-memory.dmp
memory/620-72-0x0000000000400000-0x000000000041F000-memory.dmp
memory/940-60-0x0000000000400000-0x000000000041F000-memory.dmp
memory/940-46-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1804-15-0x000001DD9EA50000-0x000001DD9EA8C000-memory.dmp
memory/1804-52-0x00007FFBE79E0000-0x00007FFBE84A1000-memory.dmp
memory/1804-9-0x00007FFBE79E3000-0x00007FFBE79E5000-memory.dmp
memory/1804-27-0x00007FFBE79E0000-0x00007FFBE84A1000-memory.dmp
memory/1804-33-0x000001DD9F9F0000-0x000001DD9FB96000-memory.dmp
memory/1804-14-0x000001DD9E9E0000-0x000001DD9EA0C000-memory.dmp
memory/1804-13-0x000001DD85F90000-0x000001DD85FAC000-memory.dmp
memory/1804-11-0x00007FFBE79E0000-0x00007FFBE84A1000-memory.dmp
memory/1804-64-0x000001DD9EAB0000-0x000001DD9EB4A000-memory.dmp
memory/1804-26-0x00007FFBE79E0000-0x00007FFBE84A1000-memory.dmp
memory/1804-39-0x00007FFBE79E3000-0x00007FFBE79E5000-memory.dmp
memory/1804-63-0x00007FFBE79E0000-0x00007FFBE84A1000-memory.dmp
memory/1804-10-0x000001DD80560000-0x000001DD8436E000-memory.dmp
memory/1804-12-0x000001DD85F60000-0x000001DD85F6C000-memory.dmp
memory/2660-62-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2660-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2868-59-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2868-58-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3060-53-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3060-73-0x0000000000400000-0x000000000041F000-memory.dmp