Report - 66ec3528901bb_winupdate11.exe#inst14

Malicious Library .NET framework(MSIL) PE File .NET EXE MSOffice File PE32
ScreenShot
Created 2024.09.20 10:47 Machine s1_win7_x6401
Filename 66ec3528901bb_winupdate11.exe#inst14
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
3.6
ZERO API file : malware
VT API (file) 28 detected (AIDetectMalware, Xo0@bxYTZJj, Unsafe, malicious, confidence, Attribute, HighConfidence, high confidence, Kryptik, AMIO, CrypterX, high, score, bxytzjj, Detected, Wacatac, MachineLearning, Anomalous, susgen)
md5 4fe072b888cd64ff01d73d8b80bfcf3e
sha256 def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24
ssdeep 49152:L3odaJHGVBGlKwJJWjTC6E2SEB98SldUzXhkHnsQDhuqqXWJOPp9X+qCko:7Dpzwkd6AEL3l4RUTqXWJOPp9uq2
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
warning File has been identified by 28 AntiVirus engines on VirusTotal as malicious
watch One or more of the buffers contains an embedded PE file
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 One or more potentially interesting buffers were extracted
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
info Uses Windows APIs to generate a cryptographic key

Rules (6cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library 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 Microsoft_Office_File_Zero Microsoft Office File 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