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Windows
Analysis Report
WIN_DCA_2.4.0.10717_sursvc_qh.msi
Overview
General Information
Detection
Score: | 26 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 40% |
Signatures
.NET source code contains very large strings
Sample is not signed and drops a device driver
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Adds / modifies Windows certificates
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks for available system drives (often done to infect USB drives)
Creates a process in suspended mode (likely to inject code)
Creates driver files
Creates files inside the system directory
Deletes files inside the Windows folder
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Drops files with a non-matching file extension (content does not match file extension)
Found dropped PE file which has not been started or loaded
Found inlined nop instructions (likely shell or obfuscated code)
PE file contains an invalid checksum
PE file contains sections with non-standard names
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Uses cacls to modify the permissions of files
Uses code obfuscation techniques (call, push, ret)
Classification
Analysis Advice
Sample drops PE files which have not been started, submit dropped PE samples for a secondary analysis to Joe Sandbox |
Sample is looking for USB drives. Launch the sample with the USB Fake Disk cookbook |
Sample tries to load a library which is not present or installed on the analysis machine, adding the library might reveal more behavior |
- System is w10x64
- msiexec.exe (PID: 4612 cmdline:
"C:\Window s\System32 \msiexec.e xe" /i "C: \Users\use r\Desktop\ WIN_DCA_2. 4.0.10717_ sursvc_qh. msi" MD5: E5DA170027542E25EDE42FC54C929077)
- msiexec.exe (PID: 6436 cmdline:
C:\Windows \system32\ msiexec.ex e /V MD5: E5DA170027542E25EDE42FC54C929077) - msiexec.exe (PID: 6580 cmdline:
C:\Windows \syswow64\ MsiExec.ex e -Embeddi ng 704D2DC 67D6894EEB DB1CD33E22 07CDD MD5: 9D09DC1EDA745A5F87553048E57620CF) - msiexec.exe (PID: 3472 cmdline:
C:\Windows \System32\ MsiExec.ex e -Embeddi ng 1630123 FD6E99419F 490FEE5EE1 376B7 MD5: E5DA170027542E25EDE42FC54C929077) - msiexec.exe (PID: 4428 cmdline:
C:\Windows \syswow64\ MsiExec.ex e -Embeddi ng 4A30406 8329E687C0 86DF1B908D 49B47 E Gl obal\MSI00 00 MD5: 9D09DC1EDA745A5F87553048E57620CF) - cmd.exe (PID: 3792 cmdline:
"C:\Window s\system32 \cmd.exe" /c cd "C:\ Program Fi les\Intel\ SUR\QUEENC REEK\" && if exist S urSvc.exe (start /b /wait /d " C:\Program Files\Int el\SUR\QUE ENCREEK\" SurSvc.exe /uninstal l) MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 6556 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 1100 cmdline:
"CMD" /C R MDIR /S /Q "C:\Progr am Files\I ntel\SUR\Q UEENCREEK\ Updater\" && RMDIR / S /Q "C:\W indows\Sys WOW64\conf ig\systemp rofile\App Data\Local \Intel\SUR \QUEENCREE K\Updater\ " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4040 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - icacls.exe (PID: 1848 cmdline:
"C:\Window s\system32 \icacls.ex e" "C:\Pro gram Files \Intel\SUR \QUEENCREE K\x64\esrv .exe" /inh eritance:r /grant:r SYSTEM:F A dministrat ors:R User s:R MD5: 48C87E3B3003A2413D6399EA77707F5D) - conhost.exe (PID: 6664 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - SurConsent.exe (PID: 2436 cmdline:
"C:\Progra m Files\In tel\SUR\IC IP\SurCons ent.exe" - install MD5: 890A5B4F011ED9238885C5A699C6CDC7)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
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