Report - msoffice365update.msi

Generic Malware Downloader Malicious Library UPX Malicious Packer ScreenShot Escalate priviledges Create Service Socket DGA Http API Steal credential PWS Hijack Network Sniff Audio HTTP DNS Code injection Internet API persistence FTP KeyLogger P2P AntiDeb
ScreenShot
Created 2024.07.25 10:21 Machine s1_win7_x6401
Filename msoffice365update.msi
Type Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, MSI Installer, Security: 0, Code page: 1252, Revision Number: {24DF9F44-7EC0-44B6-9FE8-878D6D34A40E}, Number of Words: 2, Subject: msoffice365update, Author: msoffice365update,
AI Score Not founds Behavior Score
6.8
ZERO API file : clean
VT API (file) 4 detected (NSIS, Runner, DarkKomet, OLE2, Alien)
md5 f95336c88ee7f8b6275fac1a458dad53
sha256 e9cd2429628e3955dd1f7c714fbaa3e3b85bfaac0bc31582cf9c5232cb8fc352
ssdeep 49152:nQgIfhlTYEO+w2/64hnPRMB0WkuqES58NtvU:3IZlEN+wK6qRMB0WkufF
imphash
impfuzzy
  Network IP location

Signature (18cnts)

Level Description
watch Drops a binary and executes it
watch Resumed a suspended thread in a remote process potentially indicative of process injection
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
notice File has been identified by 4 AntiVirus engines on VirusTotal as malicious
notice Potentially malicious URLs were found in the process memory dump
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
info Queries for the computername

Rules (45cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch Network_Downloader File Downloader memory
watch UPX_Zero UPX packed file binaries (download)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Hijack_Network Hijack network configuration memory
notice KeyLogger Run a KeyLogger memory
notice local_credential_Steal Steal credential memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_FTP Communications over FTP memory
notice Network_HTTP Communications over HTTP memory
notice Network_P2P_Win Communications over P2P network memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice Persistence Install itself for autorun at Windows startup memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (no description) memory
info DebuggerException__SetConsoleCtrl (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info Microsoft_Office_File_Zero Microsoft Office File binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids



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