Report - captcha.cmd

Generic Malware Downloader Admin Tool (Sysinternals etc ...) Antivirus Create Service Socket DGA Http API ScreenShot Escalate priviledges Steal credential PWS Sniff Audio HTTP DNS Code injection Internet API FTP KeyLogger P2P AntiDebug AntiVM
ScreenShot
Created 2024.10.29 17:12 Machine s1_win7_x6403
Filename captcha.cmd
Type ASCII text, with CRLF line terminators
AI Score Not founds Behavior Score
7.4
ZERO API file : clean
VT API (file) 8 detected (GenericKD, XWORM, YXEJTZ, PowerShell, Dplw)
md5 3d100d4d3fe69b9740cecb0766794b81
sha256 b5fa8aa1395fd7cc8023279bb7ef6ac1cbe8913d9fc69beab1152a38969fa469
ssdeep 96:A7+5CxllLuErRSzz1sOzwy6J5OAnCgXZH5TtJH:AaCxbDYtzOuAn/ZdH
imphash
impfuzzy
  Network IP location

Signature (18cnts)

Level Description
watch A potential heapspray has been detected. 84 megabytes was sprayed onto the heap of the powershell.exe process
watch A process attempted to delay the analysis task.
watch Creates a suspicious Powershell process
watch Creates an Alternate Data Stream (ADS)
watch Looks for the Windows Idle Time to determine the uptime
watch One or more non-whitelisted processes were created
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 shortcut to an executable file
notice Creates a suspicious process
notice File has been identified by 8 AntiVirus engines on VirusTotal as malicious
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
info Uses Windows APIs to generate a cryptographic key

Rules (35cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch Antivirus Contains references to security software binaries (upload)
watch Network_Downloader File Downloader 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 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 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