ScreenShot
| Created | 2023.03.27 10:50 | Machine | s1_win7_x6401 |
| Filename | emefamstartup.ps1 | ||
| Type | ASCII text, with very long lines | ||
| AI Score | Not founds | Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 22 detected (Malcode, gdn30, Kryptik, AIJP, RemLoader, TOPIS, rK0QnRhs0iL, Agensla, MBCL, Detected, ai score=84) | ||
| md5 | b9611fdaa214df556ad6c8fc582a45f6 | ||
| sha256 | de0af301b3cd60a63132e8321f54603d47dc53c3304dcf9937a4eb91d36518c9 | ||
| ssdeep | 24576:lC0K5oppGRXLntk8F9qoz/Wx3At5VPoE6du:nGofGRxEc | ||
| imphash | |||
| impfuzzy | |||
Network IP location
Signature (34cnts)
| 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 |
| warning | File has been identified by 22 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| 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 | 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 | 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 a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Looks up the external IP address |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Steals private information from local Internet browsers |
| 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 | Uses Windows APIs to generate a cryptographic key |
Rules (21cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| 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 (download) |
| warning | hide_executable_file | Hide executable file | binaries (upload) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (download) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | memory |
| 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 |
Suricata ids
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 *.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