Report - Windows%20Update.exe

.NET framework(MSIL) Malicious Library UPX PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2025.04.29 10:26 Machine s1_win7_x6401
Filename Windows%20Update.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
2.4
ZERO API file : mailcious
VT API (file) 55 detected (AIDetectMalware, TRFH927, PasswordStealerA, Unsafe, Save, malicious, confidence, 100%, Attribute, HighConfidence, Windows, Threat, Quasar, CLASSIC, AGEN, PackedNet, SMTPTPI, Static AI, Malicious PE, aogzw, Detected, atmn, Eldorado, QuasarRAT, R341693, GenericRXLX, Xiclog, susgen, server)
md5 c63f1ebcf5dc5f05c5c3c57e0706d87d
sha256 4212f231ef0184040fb9ff2743333321ba1eb75ebdc24526c2d33242c9138729
ssdeep 49152:tvwiiN2tPa2vpJPylxhhC25D/Wv1t1xNESE0k/iULoGdbTHHB72eh2NT:tvbq2tPa2vpJPylxhhz5D/WNjxva
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (5cnts)

Level Description
danger File has been identified by 55 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (7cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
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 OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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