Report - cudo.exe

Formbook Generic Malware Malicious Library Malicious Packer UPX PE File .NET EXE PE32 DLL OS Processor Check
ScreenShot
Created 2024.08.12 09:36 Machine s1_win7_x6403
Filename cudo.exe
Type PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
1
Behavior Score
2.8
ZERO API file : malware
VT API (file) 54 detected (AIDetectMalware, malicious, high confidence, Marsilia, Unsafe, Save, Attribute, HighConfidence, Artemis, PWSX, RedLine, kqsrxx, MSIL@AI, MSIL2, +pwtZw9YZVIHpP1ZKPjUOw, pxxvb, PackedNET, AMADEY, YXEHIZ, Detected, ai score=82, RDFB, RCIUPD, Kryptik, Eldorado, ZemsilCO, cn0@aCcZJgn, StupidPInvoker, GdSda, Cflw, susgen, confidence, 100%, J3DGW)
md5 3bcf37b4d029d825d91a9295a1365eab
sha256 a08ee121eaa50ed3597411cc1a3ed71096b3b4a344604da6d639cd2cce506d31
ssdeep 12288:EtSkCZdm7DchpXf0e1hEmwur2Gk/hlYaVLaPUNH64NmgbVh4+snSIHZwy90S2TLo:EtSo7IeKHB0pbX
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (6cnts)

Level Description
danger File has been identified by 54 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
info Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (12cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_Zero Used Formbook binaries (upload)
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
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