Report - protocol-1581218734.xls

Downloader MSOffice File
ScreenShot
Created 2021.10.28 10:23 Machine s1_win7_x6403
Filename protocol-1581218734.xls
Type Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Name
AI Score Not founds Behavior Score
3.6
ZERO API file : clean
VT API (file)
md5 2644388eeb78aad6173cd72d3d3efb78
sha256 9b9f19433bf3fbe5998a21f3091ea87f329060e68401d09a24e429d314466cb6
ssdeep 1536:c5Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgv91vrVmxJiME2GhdD52lZPFu1AOg/+tR:KKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgT
imphash
impfuzzy
  Network IP location

Signature (6cnts)

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

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 (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
guatec.com.br US UNIFIEDLAYER-AS-1 162.241.2.103 clean
site.advancertv.com US UNIFIEDLAYER-AS-1 108.179.252.108 clean
cabalasgov.com.br US UNIFIEDLAYER-AS-1 162.241.2.146 clean
162.241.2.146 US UNIFIEDLAYER-AS-1 162.241.2.146 mailcious
162.241.2.103 US UNIFIEDLAYER-AS-1 162.241.2.103 mailcious
108.179.252.108 US UNIFIEDLAYER-AS-1 108.179.252.108 clean

Suricata ids



Similarity measure (PE file only) - Checking for service failure