ScreenShot
| Created | 2021.03.31 14:42 | Machine | s1_win7_x6401 |
| Filename | ac.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) | 18 detected (malicious, high confidence, Malcode, gdn30, Kryptik, PWSX, Static AI, Malicious PE, Wacatac, score, Artemis, Krypt, AAEW, confidence, QVM03) | ||
| md5 | 077acaba7ab3d2fd714034725a01aad8 | ||
| sha256 | 22e55a154209025c55a6a4683572f1e90808bf49ba5c22ba96d32aabb6ac3e7d | ||
| ssdeep | 12288:+WKQ+m/5AWKLrL2uSeewwrXf5tl03WhSOTracDYFSGpFE:X5LK4eeXLgWgOqcDYFSGpF | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (23cnts)
| Level | Description |
|---|---|
| danger | Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually) |
| danger | Executed a process and injected code into it |
| warning | Generates some ICMP traffic |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | File has been identified by 18 AntiVirus engines on VirusTotal as malicious |
| watch | Manipulates memory of a non-child process indicative of process injection |
| 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 | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops an executable to the user AppData folder |
| notice | One or more potentially interesting buffers were extracted |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 | Queries for the computername |
Rules (24cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| info | anti_dbg | Checks if being debugged | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerCheck__RemoteAPI | (no description) | memory |
| info | DebuggerHiding__Active | (no description) | memory |
| info | DebuggerHiding__Thread | (no description) | memory |
| info | disable_dep | Bypass DEP | memory |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (download) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | IsNET_EXE | (no description) | binaries (download) |
| info | IsNET_EXE | (no description) | binaries (upload) |
| info | IsPacked | Entropy Check | binaries (download) |
| info | IsPacked | Entropy Check | binaries (upload) |
| info | IsWindowsGUI | (no description) | binaries (download) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | network_tcp_listen | Listen for incoming communication | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
| info | win_files_operation | Affect private profile | memory |
| info | win_mutex | Create or check mutex | memory |
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