| Created | 2025.02.28 09:55 | Machine | s1_win7_x6401 |
| Filename | yr.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 46 detected (AIDetectMalware, BackdoorX, Lazy, Unsafe, Save, malicious, confidence, 100%, Attribute, HighConfidence, high confidence, XWorm, MSIL@AI, MSIL2, 0uhYZ+nSwjNdQuFGWP7Uyg, asogh, Static AI, Malicious PE, Detected, Wacatac, ABRisk, QYUE, Artemis, Outbreak, Chgt, Ader, Mqil, susgen) | ||
| md5 | b29aa8460bf0b60c342b00e1e1003e0e | ||
| sha256 | 4d2e3c53adb98c3e19ca07a06a3a30618c3c232f38687d2d33d346536d168d54 | ||
| ssdeep | 6144:9mVjEcpGPNsD597Gc8DyV6xjJHGjfVFSv1+SkSDu8r6SE:9mpEcpGPNsD597NAyUxjJHG7PSv1+pj1 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
No network connection information
Signature (24cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 46 AntiVirus engines on VirusTotal as malicious |
| danger | Executed a process and injected code into it |
| watch | A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations. |
| 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 | Manipulates memory of a non-child process indicative of process injection |
| 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 | Creates executable files on the filesystem |
| notice | Drops an executable to the user AppData folder |
| notice | One or more potentially interesting buffers were extracted |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Terminates another process |
| 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 | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (22cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win_XWorm_3_M_Zero | Win XWorm V3.1 | memory |
| warning | hide_executable_file | Hide executable file | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | RAT_WebCam | Remote Administration toolkit using webcam | memory |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| 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_DLL | (no description) | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsDLL | (no description) | binaries (download) |
| 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 | WMI_VM_Detect | Detection of Virtual Appliances through the use of WMI for use of evasion. | memory |
Network (0cnts) ?
| Request | CC | ASN Co | IP4 | Rule ? | ZERO ? |
|---|
Suricata ids
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