Report - protocol-681080435.xls

Downloader MSOffice File
ScreenShot
Created 2021.10.27 22:14 Machine s1_win7_x6403
Filename protocol-681080435.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 ffae16ac46573765379065dcae2ec248
sha256 567fffe91c6fe2fef542ba43ed9fd2fab425bc11136f9f66e25cb52ec3bb8f41
ssdeep 1536:c5Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgA91vrVmxJiME2GhdD52lZPFu1AOgo+t+:KKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4
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 ?
atochagaleria.com.ar CA OVH SAS 192.99.46.215 clean
ost.net.br US UNIFIEDLAYER-AS-1 162.241.2.103 clean
maberic.com US PUBLIC-DOMAIN-REGISTRY 199.79.62.121 clean
162.241.2.103 US UNIFIEDLAYER-AS-1 162.241.2.103 mailcious
192.99.46.215 CA OVH SAS 192.99.46.215 malware
199.79.62.121 US PUBLIC-DOMAIN-REGISTRY 199.79.62.121 mailcious

Suricata ids



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