Report - EMVSERVER.exe

Malicious Packer .NET EXE PE32 PE File
ScreenShot
Created 2023.03.22 10:12 Machine s1_win7_x6401
Filename EMVSERVER.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
10.4
ZERO API
VT API (file) 63 detected (AIDetectNet, mhUN, Windows, Nanocore, Orbus, FICC, Save, malicious, confidence, 100%, ZemsilF, mmW@aSoczTk, DownLoader12, BSON, Eldorado, Nancrat, score, fpar, NanoBot, hmqoyu, NanoCor, Gen7, NOANCOOE, VirRansom, high, Static AI, Malicious PE, ai score=80, GrayWare, JDE@5s4u9t, Nancat, Detected, unsafe, CLASSIC, susgen)
md5 702681c442d61dc4a9719bd3e377dc17
sha256 540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1
ssdeep 6144:sLV6Bta6dtJmakIM53n/kAflqT1une7R0s1e2:sLV6Btpmkc/FU5e2
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger File has been identified by 63 AntiVirus engines on VirusTotal as malicious
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
watch A process attempted to delay the analysis task.
watch Attempts to remove evidence of file being downloaded from the Internet
watch Deletes executed files from disk
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
watch One or more of the buffers contains an embedded PE file
notice A process created a hidden window
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 Connects to a Dynamic DNS Domain
notice Creates a suspicious process
notice One or more potentially interesting buffers were extracted
notice The binary likely contains encrypted or compressed data indicative of a packer
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername

Rules (4cnts)

Level Name Description Collection
watch Malicious_Packer_Zero Malicious Packer 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 (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
emvstudio.ddns.net US AMAZON-AES 18.215.158.39
18.215.158.39 US AMAZON-AES 18.215.158.39

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