ScreenShot
| Created | 2021.10.20 15:51 | Machine | s1_win7_x6403 |
| Filename | biz-1433968740.xls | ||
| Type | Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Name | ||
| AI Score | Not founds | Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | |||
| md5 | 4121502a64172a96d0e50adea4a49a5d | ||
| sha256 | b46cc7b0f3851a633036ad501de1d82af5ad1df9c4d538186117cf5cf4e9623f | ||
| ssdeep | 6144:sKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgg9DWncZZttTq1JOL7gvOUPDElYvS3GHo7+:S9Dl7TmUL7gvjDa3HLvfX1mOQ | ||
| imphash | |||
| impfuzzy | |||
Network IP location
Signature (7cnts)
| Level | Description |
|---|---|
| danger | The process excel.exe wrote an executable file to disk which it then attempted to execute |
| watch | Network communications indicative of a potential document or script payload download was initiated by the process excel.exe |
| watch | One or more non-whitelisted processes were created |
| 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 | Creates a suspicious process |
| notice | Performs some HTTP requests |
Rules (2cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Microsoft_Office_File_Downloader_Zero | Microsoft Office File Downloader | binaries (upload) |
| info | Microsoft_Office_File_Zero | Microsoft Office File | binaries (upload) |
Network (9cnts) ?
Suricata ids
ET INFO TLS Handshake Failure
ET DNS Query to a *.top domain - Likely Hostile
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
SURICATA TLS invalid record type
SURICATA TLS invalid record/traffic
ET DNS Query to a *.top domain - Likely Hostile
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
SURICATA TLS invalid record type
SURICATA TLS invalid record/traffic