ScreenShot
| Created | 2023.04.10 09:52 | Machine | s1_win7_x6401 |
| Filename | mcb.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) | 48 detected (Noon, DownLoaderNET, GenericKD, Artemis, Kryptik, Vuf3, Seraph, malicious, confidence, 100%, Genus, ABRisk, QIPH, Attribute, HighConfidence, AINS, score, PWSX, Gencirc, gyeik, GenKryptik, FormBook, Malware@#38b81t3701fo2, Casdet, Detected, MSILKrypt, ai score=86, rexp, unsafe, R002H0DD523, MSIL@AI, MSIL2, qUCLOsIwfkEnN8MsZCJo5Q, Krypt, susgen) | ||
| md5 | 1ed1ae52785f50e3ba1bee8c0c71a8d0 | ||
| sha256 | 87b9b4c99a296003001f8fbac9c6bce260b054a6ce135d6f99449cc3e27ca816 | ||
| ssdeep | 49152:rzXQe7vymrlS47dVN2y5YPkwfTstQ+AVQtXXuIVXXXXXXIi7tJBpDPXa4QfxiVMH:XwqlSgdaaaTH++QtXXuIVXXXXXXIOg | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (25cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 48 AntiVirus engines on VirusTotal as malicious |
| danger | Executed a process and injected code into it |
| watch | A process attempted to delay the analysis task. |
| 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 | Communicates with host for which no DNS query was performed |
| 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 | The process powershell.exe wrote an executable file to disk |
| 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 | 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 | 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 | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (17cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| info | anti_dbg | Checks if being debugged | 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 | OS_Processor_Check_Zero | OS Processor Check | 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_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (6cnts) ?
Suricata ids
ET HUNTING Suspicious Terse Request for .bmp
ET MALWARE FormBook CnC Checkin (GET)
ET MALWARE FormBook CnC Checkin (GET)
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