ScreenShot
| Created | 2023.03.27 10:42 | Machine | s1_win7_x6403 |
| 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) | 40 detected (AIDetectNet, Agensla, malicious, high confidence, MSILMamut, AgentTesla, Kryptik, Vd4n, confidence, 100%, TrojanPSW, ZemsilF, 4m0@ae8Lkch, Eldorado, Malcode, gdn33, AIKX, score, PWSX, Inject4, Casdet, Wacatac, Malware@#28gr5uiujrhjz, Olock, FormBook, UTB5PV, Detected, Artemis, ai score=83, R002H0CCP23, MSIL@AI, MSIL2, JCWi0kNEkWYJPrpXfyCaqQ, Krypt, susgen, GenKryptik, GHZG, GdSda) | ||
| md5 | 03c74286887866a799f7cafdc096efda | ||
| sha256 | 1159e2d483433bd5397e9a41dc4e8200fb927a6ca3192bb47eb6ae3a033ef94e | ||
| ssdeep | 12288:PDo2SUvKmqHBvJMbxnpvk6ZKJq0vsXuVYmVNYUId8kjLtOwu9T69I1VRn2L6FDh9:C+a5JMFnW+emqYmVNxQ269IHx2L6Fv | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (20cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 40 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 | 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 | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| 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 | Potentially malicious URLs were found in the process memory dump |
| notice | Sends data using the HTTP POST Method |
| 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 | This executable has a PDB path |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (14cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | 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_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (21cnts) ?
Suricata ids
ET MALWARE FormBook CnC Checkin (POST) M2
ET MALWARE FormBook CnC Checkin (GET)
ET HUNTING Request to .XYZ Domain with Minimal Headers
ET MALWARE FormBook CnC Checkin (GET)
ET HUNTING Request to .XYZ Domain with Minimal Headers
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