ScreenShot
| Created | 2021.04.24 18:06 | Machine | s1_win7_x6401 |
| Filename | ntdw1.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 47 detected (malicious, high confidence, score, Unsafe, Save, Miner, confidence, Attribute, HighConfidence, Small, auuln, GenericKD, iuhoru, Siggen12, Outbreak, kcloud, Bladabindi, M2KAVL, TScope, ai score=100, MALXMR, USMANDK21, CLOUD, Static AI, Malicious PE) | ||
| md5 | 2cf6144870e0ba1a5290316435125321 | ||
| sha256 | 59efa7f3af975532fe4da3d5653933fddb06fffa847190bc967c9c0ebfe10741 | ||
| ssdeep | 192:A29BE9u+1nTN+qs9sdmXkC7iQIW1YPhzuHv9E/vhEJ0CT+lNK:3iu+d4qs9z0C7i9hzuHv9EXh4T+lN | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (20cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 47 AntiVirus engines on VirusTotal as malicious |
| watch | Communicates with host for which no DNS query was performed |
| watch | Created a service where a service was also not started |
| watch | Installs itself for autorun at Windows startup |
| watch | The process wscript.exe wrote an executable file to disk |
| notice | A process attempted to delay the analysis task. |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An executable file was downloaded by the process tempbds.exe |
| notice | Checks adapter addresses which can be used to detect virtual network interfaces |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| 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 | Repeatedly searches for a not-found process |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | This executable has a PDB path |
Rules (22cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Antivirus | Contains references to security software | binaries (download) |
| notice | Str_Win32_Http_API | Match Windows Http API call | binaries (download) |
| notice | Str_Win32_Internet_API | Match Windows Inet API call | binaries (download) |
| 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 | HasDebugData | DebugData Check | binaries (download) |
| info | HasDebugData | DebugData Check | binaries (upload) |
| info | HasOverlay | Overlay Check | binaries (download) |
| info | HasRichSignature | Rich Signature Check | binaries (download) |
| info | IsNET_EXE | (no description) | binaries (upload) |
| info | IsPacked | Entropy Check | binaries (download) |
| info | IsWindowsGUI | (no description) | binaries (download) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | network_http | Communications over HTTP | binaries (download) |
| info | Str_Win32_Wininet_Library | Match Windows Inet API library declaration | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
| info | win_files_operation | Affect private profile | binaries (download) |
| info | win_mutex | Create or check mutex | binaries (download) |
| info | win_registry | Affect system registries | binaries (download) |
| info | win_token | Affect system token | binaries (download) |
Network (6cnts) ?
Suricata ids
ET INFO Executable Download from dotted-quad Host
ET HUNTING Suspicious csrss.exe in URI
ET INFO Packed Executable Download
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET POLICY Cryptocurrency Miner Checkin
ET HUNTING Suspicious csrss.exe in URI
ET INFO Packed Executable Download
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET POLICY Cryptocurrency Miner Checkin
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