Report - 2025416-方案1-方案細節.pdf.lnk

Client SW User Data Stealer browser info stealer Generic Malware Google Chrome User Data Downloader UPX ASPack Malicious Library Admin Tool (Sysinternals etc ...) Http API PWS Code injection Create Service Socket DGA ScreenShot Escalate priviledges Steal
ScreenShot
Created 2025.04.28 14:56 Machine s1_win7_x6401
Filename 2025416-方案1-方案細節.pdf.lnk
Type MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has Working directory, Has command line arguments, Icon number=3, Archive, ctime=Tue Apr 8 18:55:58 2025, mtime=Tue Apr 15 17:04:49 2025, atime=Tue Apr 8 18:55:
AI Score Not founds Behavior Score
10.2
ZERO API file : clean
VT API (file) 27 detected (WinLNK, GenericKD, gen20, a variant of Generik, FTORMKK, Malicious, score, SuspiciousLNK, DownLnk, Detected, Runner, VPOU, ABTrojan, FNTP, Link, DoubleRun, Probably Heur, LNKScript, Mcnw)
md5 c77858bbcfb2ab87d9469d6376cbe223
sha256 f4bb263eb03240c1d779a00e1e39d3374c93d909d358691ca5386387d06be472
ssdeep 24:8F7JAnJeCV/YY7lkAuuPx+/5+j+EMJ+mw9Ze9ZUqXQaR3+hablf7CY+/vm:8FenASzacfMJ+t909iqXv3Kah7CYk
imphash
impfuzzy
  Network IP location

Signature (24cnts)

Level Description
warning File has been identified by 27 AntiVirus engines on VirusTotal as malicious
watch Drops a binary and executes it
watch Found URLs in memory pointing to an IP address rather than a domain (potentially indicative of Command & Control traffic)
watch One or more non-whitelisted processes were created
watch Requests access to read memory contents of lsass.exe potentially indicative of credential dumping
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 An application raised an exception which may be indicative of an exploit crash
notice Creates (office) documents on the filesystem
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
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 Starts servers listening
notice Steals private information from local Internet browsers
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 One or more processes crashed
info Tries to locate where the browsers are installed

Rules (56cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
warning infoStealer_browser_Zero browser info stealer memory
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch ASPack_Zero ASPack packed file binaries (download)
watch Chrome_User_Data_Check_Zero Google Chrome User Data Check memory
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Network_Downloader File Downloader binaries (download)
watch Network_Downloader File Downloader memory
watch UPX_Zero UPX packed file binaries (download)
notice anti_vm_detect Possibly employs anti-virtualization techniques binaries (download)
notice BitCoin Perform crypto currency mining memory
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 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 PDF_Format_Z PDF Format binaries (download)
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 DllRegisterServer_Zero execute regsvr32.exe binaries (download)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info JPEG_Format_Zero JPEG Format binaries (download)
info lnk_file_format Microsoft Windows Shortcut File Format binaries (upload)
info Lnk_Format_Zero LNK Format binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Virtual_currency_Zero Virtual currency memory
info vmdetect Possibly employs anti-virtualization techniques memory
info win_hook Affect hook table memory
info zip_file_format ZIP file format binaries (download)

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
mail.9kyd.com TW Data Communication Business Group 61.222.10.72 clean
61.222.10.72 TW Data Communication Business Group 61.222.10.72 clean

Suricata ids



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