ScreenShot
| Created | 2023.07.12 17:47 | Machine | s1_win7_x6403 |
| Filename | win.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) | 42 detected (Androm, Lazy, Kryptik, Vu2i, malicious, confidence, 100%, Eldorado, Malcode, gdn34, high confidence, GenKryptik, GLSH, score, ZemsilF, 8m0@a0ANUkm, PWSX, MSIL@AI, MSIL2, jGEMGlakL3FgI6EPe+XyMA, Loader, Krypt, 4EQG0F, ai score=82, FormBook, Detected, Artemis, unsafe, Chgt, R002H0CGC23, Static AI, Malicious PE, susgen, AGUH) | ||
| md5 | d4fe9ca0baa8b18233d058024e4b6f2d | ||
| sha256 | 37d9d25dc72449f4bbdf92bf70511684bd3819f8306f363eb1cfd6fd0e91e365 | ||
| ssdeep | 12288:UN10TcOf9S4M/L/mBJMmsZbfxbPdALACmA52RghzVGjsZyxhXCz+t9h/pNKrWem2:xf9BWLGm1bOKR2hT4/XNpN0B | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (29cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 42 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 | Attempts to identify installed AV products by installation directory |
| watch | Harvests credentials from local email clients |
| watch | Makes SMTP requests |
| 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 | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates (office) documents on the filesystem |
| notice | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| 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 | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (23cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | PDF_Suspicious_Link_Z | PDF Suspicious Link | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | PDF_Format_Z | PDF Format | binaries (download) |
| 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 | IsDLL | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vba | (no description) | memory |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | zip_file_format | ZIP file format | binaries (download) |
Suricata ids
ET POLICY IP Check Domain (showip in HTTP Host)
SURICATA Applayer Detect protocol only one direction
ET INFO Possible SMTP Data Exfiltration - File Attachment Named Files.zip
SURICATA Applayer Detect protocol only one direction
ET INFO Possible SMTP Data Exfiltration - File Attachment Named Files.zip
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