Report - password.chm

Generic Malware Antivirus Hide_URL AntiDebug AntiVM CHM Format
ScreenShot
Created 2023.08.16 15:07 Machine s1_win7_x6401
Filename password.chm
Type MS Windows HtmlHelp Data
AI Score Not founds Behavior Score
6.6
ZERO API file : clean
VT API (file)
md5 b5f9cd67cb32f44c138c382e17b06fd6
sha256 78bdd68aed31a4f357b8da35c1d58cb0f9af89a02a526d12726928bca59360eb
ssdeep 96:6/zHS490SnAFqtnC+GbzKfi6tjOHDjMXv:6T/9Du0m/mi6tjqcf
imphash
impfuzzy
  Network IP location

Signature (17cnts)

Level Description
watch Creates a suspicious Powershell process
watch Disables proxy possibly for traffic interception
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch The process powershell.exe wrote an executable file to disk
notice A process created a hidden window
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 Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice Performs some HTTP requests
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 Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (12cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
notice hide_url_link Hide url link scripts
info anti_dbg Checks if being debugged memory
info chm_file_format chm file format binaries (upload)
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://bian0151.cafe24.com/member/1.html KR Korea Telecom 183.111.174.53 35816 mailcious
bian0151.cafe24.com KR Korea Telecom 183.111.174.53 mailcious
183.111.174.53 KR Korea Telecom 183.111.174.53 mailcious

Suricata ids



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