Report - grand-1938209247.xls

Downloader MSOffice File
ScreenShot
Created 2021.11.10 09:37 Machine s1_win7_x6403
Filename grand-1938209247.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 548878f892cc6d86c17a4e2a60e4e19d
sha256 7f22b35ab93c8d249a8649868b370c1413750e5ffed60f7bc5a75ac34e18b1f6
ssdeep 3072:YKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgL5yVceeiE/RD/oU2/zLWQzT:YKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgFw
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 (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
iperdesk.com DE Contabo GmbH 91.194.91.202 clean
arancal.com US UNIFIEDLAYER-AS-1 192.254.189.168 clean
192.254.189.168 US UNIFIEDLAYER-AS-1 192.254.189.168 mailcious
91.194.91.202 DE Contabo GmbH 91.194.91.202 mailcious

Suricata ids



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