ScreenShot
| Created | 2023.03.23 18:28 | Machine | s1_win7_x6401 |
| Filename | NRATNew.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) | 52 detected (AIDetectNet, Scrop, malicious, high confidence, score, GenericFC, S29960735, Artemis, unsafe, MSILZilla, Save, PSWStealer, confidence, 100%, Kryptik, Eldorado, Attribute, HighConfidence, AAWF, CrypterX, Rgil, MulDrop21, KRAP, SMDA, GenericRXUX, moderate, Detected, ZemsilF, em0@aqzk3fo, ai score=82, MSIL@AI, MSIL2, ZmZBcgwRqKysAkB2XTB4dA, Static AI, Malicious PE, susgen, GdSda) | ||
| md5 | ca6a4db4964f4475bed525178ad92f0c | ||
| sha256 | 3efee23e062979685c1efb87ef9c739630c4da1e7a7ad22e8c45da66ad0f4b3c | ||
| ssdeep | 1536:ih3HaMmkefuYjsDAiENQVseNbIB2Cdoo:i3GNjsD8YNOtCo | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (16cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 52 AntiVirus engines on VirusTotal as malicious |
| danger | Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) |
| watch | Creates a windows hook that monitors keyboard input (keylogger) |
| watch | Installs itself for autorun at Windows startup |
| watch | Looks for the Windows Idle Time to determine the uptime |
| notice | A process attempted to delay the analysis task. |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates a shortcut to an executable file |
| notice | Creates executable files on the filesystem |
| notice | Drops an executable to the user AppData folder |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (11cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| info | Is_DotNET_EXE | (no description) | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | Lnk_Format_Zero | LNK Format | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
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