ScreenShot
| Created | 2021.08.31 11:10 | Machine | s1_win7_x6401 |
| Filename | catzx.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) | 25 detected (Agensla, malicious, high confidence, starter, ali1000139, ZemsilF, Um0@aiH9Ado, Eldorado, Attribute, HighConfidence, GenKryptik, FJTI, Androm, FileRepMalware, Static AI, Malicious PE, susgen, kcloud, Nancat, 3ZFUQ5, score, AgentTesla, FDBQ, FJOK, confidence) | ||
| md5 | 5b86fcaf5ab130c47731cc168a2ca852 | ||
| sha256 | 0aae44ceb97790a03f1093278faeb08fbdfbef70ba53d6516428c10644d64132 | ||
| ssdeep | 6144:SB1MJMuy1Uq/ZUX8ZMic4xE4hGDZQb/Qv6nGXDlkVk35axoDiSQ4kt4Q3byUz:y1MBSV/Zcn4fhsZQbtnGTlen4ktLF | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (28cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 25 AntiVirus engines on VirusTotal as malicious |
| watch | A process attempted to delay the analysis task. |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to remove evidence of file being downloaded from the Internet |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Deletes executed files from disk |
| watch | Executes one or more WMI queries |
| watch | Installs itself for autorun at Windows startup |
| watch | Looks for the Windows Idle Time to determine the uptime |
| watch | One or more of the buffers contains an embedded PE file |
| 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 | Checks whether any human activity is being performed by constantly checking whether the foreground window changed |
| notice | Connects to a Dynamic DNS Domain |
| notice | Creates a suspicious process |
| notice | One or more potentially interesting buffers were extracted |
| 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 | Collects information to fingerprint the system (MachineGuid |
| info | Command line console output was observed |
| info | Queries for the computername |
Rules (13cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| notice | Network_DNS | Communications use DNS | 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 |
Suricata ids
ET POLICY DNS Query to DynDNS Domain *.ddns .net
ET MALWARE Possible NanoCore C2 60B
ET MALWARE Possible NanoCore C2 60B
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