ScreenShot
| Created | 2023.02.27 13:58 | Machine | s1_win7_x6401 |
| Filename | vbc.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 (GenericKD, Artemis, Vozb, malicious, confidence, 100%, Kryptik, Eldorado, high confidence, Rescoms, RansomX, MSIL@AI, MSIL2, d5mbmHvDpw1MMmWVxIJSGw, psmum, DownLoader45, Detected, ai score=80, Woreflint, Remcos, score, ZemsilF, Xn0@a8SPzCm, GdSda, R04AH0CBO23, Ncnw, Static AI, Suspicious PE, susgen) | ||
| md5 | 458fac04945792014ed3cb1dd8ffb376 | ||
| sha256 | ce4f7b095af43eceb75710f074f5c39eaf53039cd470ad6e56c254af33a0b0a3 | ||
| ssdeep | 12288:ZqmvLofuofnZ1LWy1eLJ3x8oQEPPDfVq5K/dltpogxTPOt1hTf5AwxrEMaVFBfmI:XPdlvRqoSrEK+BeJXA | ||
| 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 | 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 | Creates a windows hook that monitors keyboard input (keylogger) |
| 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 attempted to delay the analysis task. |
| notice | A process created a hidden window |
| 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 | Connects to a Dynamic DNS Domain |
| 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 | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 (28cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | hide_executable_file | Hide executable file | binaries (upload) |
| warning | infoStealer_browser_Zero | browser info stealer | memory |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Chrome_User_Data_Check_Zero | Google Chrome User Data Check | memory |
| watch | Network_Downloader | File Downloader | memory |
| notice | Create_Service | Create a windows service | memory |
| notice | Escalate_priviledges | Escalate priviledges | memory |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_DNS | Communications use DNS | memory |
| notice | Network_TCP_Socket | Communications over RAW Socket | memory |
| notice | Sniff_Audio | Record Audio | memory |
| notice | Str_Win32_Internet_API | Match Windows Inet API call | memory |
| 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 | 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) |
| info | Win_Trojan_agentTesla_Zero | Win.Trojan.agentTesla | memory |
Network (5cnts) ?
Suricata ids
ET POLICY DNS Query to DynDNS Domain *.ddns .net
ET JA3 Hash - Remcos 3.x TLS Connection
ET JA3 Hash - Remcos 3.x TLS Connection
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