ScreenShot
| Created | 2021.06.15 10:59 | Machine | s1_win7_x6401 |
| Filename | nnaf.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) | 23 detected (malicious, high confidence, Save, Kryptik, Attribute, HighConfidence, ABLN, TrojanX, Wacatac, Artemis, Static AI, Suspicious PE, AAVS, ZemsilF, Om0@aS0z3hi, confidence, susgen) | ||
| md5 | f9f02646aeeaa754474089a00d07b0e5 | ||
| sha256 | 155b4185bb15fc8726e6abb06ffdcaf94d3dc44b7828ced545b30b3885e15033 | ||
| ssdeep | 6144:S4/rTms7PaVIFfrtUuH8YM2RG+zcwxOVbcEkX+7srqJ9bZZl2EIWr1ovbVmIVMt1:j+VEKYM4GSYbcb+JftZIEovbVEhrJVs | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (21cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 23 AntiVirus engines on VirusTotal as malicious |
| watch | A process attempted to delay the analysis task. |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to remove evidence of file being downloaded from the Internet |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Looks for the Windows Idle Time to determine the uptime |
| 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 | 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 | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| 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 | One or more processes crashed |
| info | Queries for the computername |
Rules (14cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | 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 (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| 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