Report - index-1862925899.xls

Downloader MSOffice File
ScreenShot
Created 2021.11.07 09:34 Machine s1_win7_x6403
Filename index-1862925899.xls
Type Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Name
AI Score Not founds Behavior Score
4.4
ZERO API file : clean
VT API (file)
md5 18e464bb54f5c85ea6caf14487ced92c
sha256 5f0dd968ec5c7367841771f92022d9d76c36f1d18796afb318ea96e6c9cd6bd1
ssdeep 3072:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgiMjmwHAfvperDmy:JKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgiw
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
warning Generates some ICMP traffic
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 ?
imprimija.com.br US UNIFIEDLAYER-AS-1 108.179.192.18 clean
stunningmax.com US HVC-AS 23.111.163.242 clean
decinfo.com.br US UNIFIEDLAYER-AS-1 108.179.193.34 clean
23.111.163.242 US HVC-AS 23.111.163.242 clean
108.179.193.34 US UNIFIEDLAYER-AS-1 108.179.193.34 mailcious
108.179.192.18 US UNIFIEDLAYER-AS-1 108.179.192.18 clean

Suricata ids



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