Report - Jvas.exe

PWS .NET framework UPX PE32 .NET EXE PE File
ScreenShot
Created 2022.03.22 19:43 Machine s1_win7_x6403
Filename Jvas.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
5.2
ZERO API file : malware
VT API (file)
md5 423fd5596706f9d5e29b73ad9a4a6380
sha256 d838527ebc558f5a3228dec4f4e7107c3b483a12d14392eb5a0fc784021508d8
ssdeep 24576:OmK1yGnTAnwl9UxN5Lv3HhsJd850R/iOv:cyGnTAnU905L3hsJd8SR
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (12cnts)

Level Description
watch A process attempted to delay the analysis task.
watch Attempts to remove evidence of file being downloaded from the Internet
watch Communicates with host for which no DNS query was performed
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
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 Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Uses Windows APIs to generate a cryptographic key

Rules (5cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
45.134.173.174 Unknown 45.134.173.174 mailcious

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