ScreenShot
| Created | 2024.07.31 09:47 | Machine | s1_win7_x6402 |
| Filename | releaseform.txt.lnk | ||
| Type | MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon number=70, Archive, ctime=Fri Sep 14 22:11:58 2018, mtime=Fri Sep 14 22:11:58 2018, atime=Fri Sep 14 22:11:58 2018, length=40960, | ||
| AI Score | Not founds | Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 24 detected (Pantera, gen111, GenBadur, genw, Mshta, CLASSIC, LnkRun, Static AI, Suspicious LNK, Detected, ai score=80, Link, RemoteAgent) | ||
| md5 | 46d6193d7f5c337f5f76db8e470b21f8 | ||
| sha256 | 989729daf6fd85173552098ec2d38c6a8e80ce58cd27de845eb827ac8165e93a | ||
| ssdeep | 24:8TOYQ33MDGpyAVkr+/4H+sPxpBaec3r3sab7mymL:8Ti3bCbxU3r3sanmyu | ||
| imphash | |||
| impfuzzy | |||
Network IP location
Signature (29cnts)
| Level | Description |
|---|---|
| danger | A potential heapspray has been detected. 3322 megabytes was sprayed onto the heap of the powershell.exe process |
| danger | The process powershell.exe wrote an executable file to disk which it then attempted to execute |
| warning | File has been identified by 24 AntiVirus engines on VirusTotal as malicious |
| watch | Communicates with host for which no DNS query was performed |
| watch | Creates a suspicious Powershell process |
| watch | Disables proxy possibly for traffic interception |
| watch | Drops a binary and executes it |
| watch | Modifies proxy override settings possibly for traffic interception |
| watch | Network communications indicative of a potential document or script payload download was initiated by the process powershell.exe |
| watch | One or more non-whitelisted processes were created |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An executable file was downloaded by the process mshta.exe |
| notice | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| notice | Checks adapter addresses which can be used to detect virtual network interfaces |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Drops an executable to the user AppData folder |
| notice | One or more potentially interesting buffers were extracted |
| notice | Poweshell is sending data to a remote host |
| notice | URL downloaded by powershell script |
| notice | Yara rule detected in process memory |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Command line console output was observed |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (17cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| info | anti_dbg | Checks if being debugged | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerHiding__Active | (no description) | memory |
| info | DebuggerHiding__Thread | (no description) | memory |
| info | disable_dep | Bypass DEP | memory |
| info | IsPE32 | (no description) | binaries (download) |
| info | lnk_file_format | Microsoft Windows Shortcut File Format | binaries (upload) |
| info | Lnk_Format_Zero | LNK Format | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PowerShell | PowerShell script | scripts |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
Network (4cnts) ?
Suricata ids
ET INFO Packed Executable Download
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET INFO EXE - Served Inline HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET INFO EXE - Served Inline HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download