Report - windowupdate.exe

Antivirus UPX PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2025.04.03 09:44 Machine s1_win7_x6401
Filename windowupdate.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
11
Behavior Score
3.8
ZERO API file : malware
VT API (file) 60 detected (AIDetectMalware, XWorm, GenericFC, S29960909, Jalapeno, Unsafe, Save, malicious, confidence, 100%, gen2, high confidence, RATX, njRAT, AsyncRAT, CLASSIC, AGEN, BladabindiNET, SMTPTEGNL, high, score, Static AI, Malicious PE, XWormRAT, atmn, Eldorado, FVYT, Bladabindi, susgen, GenericKD, Stub)
md5 5f7d59ec828c269904fcacb56ea65c1c
sha256 86d5e6b8a51edf75ca4d2b4868037090bbb189965ea58cff6e5713d539935db8
ssdeep 384:UlRmhGD91SluSWhnHHxzLmYV3Tm2eaFO4FzRApkFTBLTsOZwpGd2v99Ikuis5EVt:gRPD9OQhx/BV3Tw49FzVFE9jPOjhYbJ
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
danger File has been identified by 60 AntiVirus engines on VirusTotal as malicious
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
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 Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info Queries for the computername

Rules (6cnts)

Level Name Description Collection
watch Antivirus Contains references to security software binaries (upload)
watch UPX_Zero UPX packed file 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