ScreenShot
| Created | 2023.03.16 10:49 | Machine | s1_win7_x6403 |
| Filename | boy1start.ps1 | ||
| Type | ASCII text, with very long lines, with no line terminators | ||
| AI Score | Not founds | Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 9 detected (Malcode, gdn30, PowerShell, Detected) | ||
| md5 | c0aa6a02799611928896463d8c6a324d | ||
| sha256 | f9fd9b8f43086a5c5f8b638e12c83d6732b344d78f6a7071c18a9a2fc28915c2 | ||
| ssdeep | 24576:vP5JGloTltE5HWbepoF+1rESw3rv5aKL8I4h7cDO4Duo2LZFVlsSMZmdHp:3OdU+cT9W7MD9MDMZmdHp | ||
| imphash | |||
| impfuzzy | |||
Network IP location
Signature (45cnts)
| Level | Description |
|---|---|
| danger | The process powershell.exe wrote an executable file to disk which it then attempted to execute |
| danger | Executed a process and injected code into it |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to create or modify system certificates |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Communicates with host for which no DNS query was performed |
| watch | Drops a binary and executes it |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Harvests information related to installed instant messenger clients |
| watch | Looks for the Windows Idle Time to determine the uptime |
| watch | Network communications indicative of a potential document or script payload download was initiated by the process acrord32.exe |
| watch | One or more non-whitelisted processes were created |
| watch | Potential code injection by writing to the memory of another process |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| watch | Used NtSetContextThread to modify a thread in a remote process indicative of process injection |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| 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 | Connects to a Dynamic DNS Domain |
| notice | Creates (office) documents on the filesystem |
| notice | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | File has been identified by 9 AntiVirus engines on VirusTotal as malicious |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | Looks up the external IP address |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Queries for potentially installed applications |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| notice | Steals private information from local Internet browsers |
| notice | Terminates another process |
| notice | Uses Windows utilities for basic Windows functionality |
| 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 | One or more processes crashed |
| info | Queries for the computername |
| info | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (23cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | NPKI_Zero | File included NPKI | binaries (upload) |
| danger | Win_Trojan_Formbook_Zero | Used Formbook | binaries (upload) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | hide_executable_file | Hide executable file | binaries (upload) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | memory |
| notice | PDF_Format_Z | PDF Format | 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 | Is_DotNET_EXE | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| info | zip_file_format | ZIP file format | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
Network (10cnts) ?
Suricata ids
ET INFO Dotted Quad Host PDF Request
ET MALWARE 404/Snake/Matiex Keylogger Style External IP Check
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO DYNAMIC_DNS HTTP Request to a *.dyndns .org Domain
ET INFO DYNAMIC_DNS Query to a *.dyndns .org Domain
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
ET MALWARE 404/Snake/Matiex Keylogger Style External IP Check
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO DYNAMIC_DNS HTTP Request to a *.dyndns .org Domain
ET INFO DYNAMIC_DNS Query to a *.dyndns .org Domain
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain