Report - Eflbu.exe

Malicious Library PE File .NET EXE PE32
ScreenShot
Created 2024.07.15 09:37 Machine s1_win7_x6403
Filename Eflbu.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
4.8
ZERO API file : malware
VT API (file) 63 detected (AIDetectMalware, Blocker, malicious, high confidence, IGENERIC, GenericKD, Unsafe, Vfqi, Genus, Artemis, RansomX, Seraph, kdcxhb, CLOUD, RACCOONSTEALER, YXDKEZ, Real Protect, high, score, Detected, ai score=83, GenKryptik, SmokeLoader, Malware@#j3vguj7ddtkg, AAUW, Kryptik, Eldorado, ZemsilF, rm0@amn8obm, TScope, RansomGen, Gencirc, lU08zmSeTcA, Static AI, Malicious PE, susgen, confidence, 100%, Ransomware)
md5 e3dc222d0a34c4b230f538a67bb7265d
sha256 a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
ssdeep 6144:ukXNoFja9QXwKN1NdR7ws5lDohIiTXcnXzrCZemJPg1ZVzqH:jiFWUtXjDojODrXeIBze
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (11cnts)

Level Description
danger File has been identified by 63 AntiVirus engines on VirusTotal as malicious
watch Looks for the Windows Idle Time to determine the uptime
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 Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (4cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library 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 (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x4484c0 _CorExeMain

EAT(Export Address Table) is none



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