Report - 3231322212.exe

Downloader UPX .NET framework(MSIL) Create Service Socket DGA Http API ScreenShot Escalate priviledges Steal credential PWS Sniff Audio HTTP DNS Code injection Internet API FTP KeyLogger P2P SMTP AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2023.09.30 13:43 Machine s1_win7_x6403
Filename 3231322212.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
15.2
ZERO API file : malware
VT API (file) 35 detected (malicious, high confidence, Zusy, Artemis, Kryptik, Vjua, Attribute, HighConfidence, AJTR, PWSX, FalseSign, Ojgl, Static AI, Suspicious PE, Vigorf, ai score=83, unsafe, CLOUD, confidence, 100%)
md5 6419a1e59348225baafa1b58ed611fc9
sha256 189ca1951e90f92454d9e6f451847f17d5d3e85639e474147d9d63ec529189df
ssdeep 24576:twFgDyuHZ0uHO/dqvTrHxm/vDlDLIgNgOknWH:phHZ02O/dGc9UgbsY
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (32cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 35 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Deletes executed files from disk
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process 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 Drops a binary and executes it
notice One or more potentially interesting buffers were extracted
notice Queries for potentially installed applications
notice Steals private information from local Internet browsers
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 One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (40cnts)

Level Name Description Collection
watch Network_Downloader File Downloader memory
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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_SMTP_dotNet Communications smtp 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 Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
45.142.122.192 RU Anton Mamaev 45.142.122.192 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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