Report - 99999.exe

Generic Malware UPX PE File .NET EXE PE32
ScreenShot
Created 2025.01.23 18:45 Machine s1_win7_x6403
Filename 99999.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
6.2
ZERO API file : malware
VT API (file) 58 detected (PrimeaClefAF, Bladabindi, YakbeexMSIL, Unsafe, Krypt, Save, malicious, confidence, 100%, EmailWorm, MulDrop7, DOQR, Attribute, HighConfidence, Windows, Njrat, KeyloggerX, TrjGen, dkmeat, SMJJ, Real Protect, high, score, ILAgent, Static AI, Malicious PE, hkrky, Detected, atmn, Eldorado, R295982, FUTJ, BP5TneFKeRQ, susgen)
md5 cd49dea59efe62d7288c76280c38f134
sha256 fa536d889affb81391ee202980d417e82cee0b46d97da4070b4a4e2052d33d82
ssdeep 768:oY3gub30YTXspgM0m2zGjpyDtdXWuhtXYLWhyXxrjEtCdnl2pi1Rz4Rk3HsGdpz3:wuT0AA0mT1mrWxL5jEwzGi1dDTDzgS
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (14cnts)

Level Description
danger File has been identified by 58 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Looks for the Windows Idle Time to determine the uptime
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 Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Creates an autorun.inf file
notice Creates executable files on the filesystem
notice Creates hidden or system file
notice Drops an executable to the user AppData folder
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed

Rules (10cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
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