ScreenShot
| Created | 2021.09.07 19:17 | Machine | s1_win7_x6401 |
| Filename | kernel.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 30 detected (Nitol, malicious, high confidence, Save, confidence, Attribute, HighConfidence, Kryptik, ACOO, GenericKD, RATX, Agkl, AgentTesla, FDCM, Wacatac, ai score=81, Unsafe, Static AI, Malicious PE, Score, ZemsilF, am0@aWtdDce, susgen) | ||
| md5 | e2178538425f24c99cc460d888733e28 | ||
| sha256 | 04e563d681fd508c27b020dc9f08e9129c71c5b2445616b5f871c0f225fb9ed3 | ||
| ssdeep | 48:6HRleO1ONPoQbJVlRCQ0o7jhIBBZsjyor58PlnE2OulZHGhqXSfbNtm:aIvpbN79K+jVmNnnrGjzNt | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (19cnts)
| Level | Description |
|---|---|
| danger | The process powershell.exe wrote an executable file to disk which it then attempted to execute |
| danger | File has been identified by 30 AntiVirus engines on VirusTotal as malicious |
| danger | Powershell Downloader DFSP detected |
| watch | Creates a suspicious Powershell process |
| 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 |
| 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 | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Poweshell is sending data to a remote host |
| notice | URL downloaded by powershell script |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Collects information to fingerprint the system (MachineGuid |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (8cnts)
| 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) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | PowershellDFSP | Rule for Powershell DFSP detection | scripts |
| info | PowershellDI | Extract Download/Invoke calls from powershell script | scripts |
PE API
IAT(Import Address Table) Library
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none