ScreenShot
| Created | 2022.06.05 22:08 | Machine | s1_win7_x6403 |
| Filename | vbc.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 42 detected (malicious, high confidence, score, Artemis, Unsafe, Save, confidence, 100%, csharp, ali2000008, Cerbu, Kryptik, Eldorado, AFHK, Noon, PWSX, Falsesign, Szmc, Siggen17, 0NA104F122, Swotter, moamv, Wacatac, Woreflint, ZemsilF, tmY@aeQi@kh, ai score=93, cHLsiw3b7sE, Static AI, Malicious PE, AgentTesla) | ||
| md5 | 5daed332426c66a3852518126bc49dfe | ||
| sha256 | 12fd506bab09a036a69b32535df6392d533a5ad8112c8b7bf287647f8c032bb0 | ||
| ssdeep | 3072:0B9depcfLJS8XgNHAKlqT+f5OYtm2MWNRux3fdMCnGRwcRdhpsedBHX86gP6Ajy+:4S8QaEsYXudVLCXpFM6gPcn/DFsqM | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (24cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 42 AntiVirus engines on VirusTotal as malicious |
| danger | Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) |
| 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 | Deletes executed files from disk |
| watch | One or more non-whitelisted processes were created |
| 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 | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Drops a binary and executes it |
| 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 | 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 | This executable has a PDB path |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (18cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win_Trojan_Formbook_m_Zero | Used Formbook[m] | memory |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| watch | UPX_Zero | UPX packed file | 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 (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| 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 (22cnts) ?
Suricata ids
ET INFO Observed DNS Query to .cloud TLD
ET MALWARE FormBook CnC Checkin (GET)
ET INFO HTTP Request to Suspicious *.cloud Domain
ET MALWARE FormBook CnC Checkin (GET)
ET INFO HTTP Request to Suspicious *.cloud Domain
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