Report - index-295687290.xls

Downloader MSOffice File
ScreenShot
Created 2021.11.05 09:44 Machine s1_win7_x6403
Filename index-295687290.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 4309aadc0b51d58084832e45cba1e1dd
sha256 d95e4db41491553a949254cc47b3f93a310fda6bd7f93e32e2d086af5427914a
ssdeep 3072:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgiMjmwHAfvperDmW:JKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgiU
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 ?
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