Report - Konni_종합소득세 해명자료 제출 안내.lnk

Generic Malware Suspicious_Script_Bin Antivirus HWP PS PostScript Malicious Library AntiDebug AntiVM Lnk Format GIF Format PowerShell MSOffice File PE File PE32 ZIP Format
ScreenShot
Created 2023.09.04 11:01 Machine s1_win7_x6401
Filename Konni_종합소득세 해명자료 제출 안내.lnk
Type MS Windows shortcut, Has Description string, Has command line arguments, Icon number=0, ctime=Sun De
AI Score Not founds Behavior Score
15.4
ZERO API file : clean
VT API (file) 10 detected (Save, gen20, Powesta, PowerShell, PowLnkObf, Static AI, Suspicious LNK, Obfuscted, Code, Detected, Link, Crafted)
md5 19dc387bffdc0a22f640bd38af320db4
sha256 778e46f8f3641a92d34da68dffc168fdc936841c5ad3d8b44da62a7b2dfe2ee1
ssdeep 6144:DyKySJqsxxyq//Su0ScpS8vKaDJJhfYAjB:DyKDtyE/Su/F8vxdXf9
imphash
impfuzzy
  Network IP location

Signature (34cnts)

Level Description
danger The processes powershell.exe
warning Uses WMI to create a new process
watch A potential heapspray has been detected. 96 megabytes was sprayed onto the heap of the powershell.exe process
watch Creates a suspicious Powershell process
watch Creates and runs a batch file to remove the original binary
watch Deletes executed files from disk
watch File has been identified by 10 AntiVirus engines on VirusTotal as malicious
watch Installs itself for autorun at Windows startup
watch Network communications indicative of a potential document or script payload download was initiated by the process powershell.exe
watch One or more non-whitelisted processes were created
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 adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Executes one or more WMI queries
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Performs some HTTP requests
notice Poweshell is sending data to a remote host
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Sends data using the HTTP POST Method
notice URL downloaded by powershell script
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (24cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Suspicious_Obfuscation_Script_2 Suspicious obfuscation script (e.g. executable files) binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Win32_HWP_PostScript_Zero Detect a HWP with embedded Post Script code binaries (download)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (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 HWP_file_format HWP Document File binaries (download)
info IsPE32 (no description) binaries (download)
info lnk_file_format Microsoft Windows Shortcut File Format binaries (download)
info lnk_file_format Microsoft Windows Shortcut File Format binaries (upload)
info Lnk_Format_Zero LNK Format binaries (download)
info Lnk_Format_Zero LNK Format binaries (upload)
info Microsoft_Office_File_Zero Microsoft Office File binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PowerShell PowerShell script scripts
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info zip_file_format ZIP file format binaries (download)

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://serviceset.net/upload.php Unknown 88.119.169.93 clean
resolver1.opendns.com US OPENDNS 208.67.222.222 clean
serviceset.net Unknown 88.119.169.93 clean
myip.opendns.com Unknown clean
88.119.169.93 Unknown 88.119.169.93 clean
208.67.222.222 US OPENDNS 208.67.222.222 clean

Suricata ids



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