Report - wcncsvc.exe

Malicious Packer .NET EXE PE32 PE File
ScreenShot
Created 2023.04.19 09:08 Machine s1_win7_x6403
Filename wcncsvc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
9.0
ZERO API file : malware
VT API (file) 66 detected (AIDetectNet, mhUN, Windows, Nanocore, Orbus, unsafe, Save, malicious, confidence, 100%, ZemsilF, mmW@aOORPEl, DownLoader12, BSON, Eldorado, Nancrat, score, fpar, NanoBot, hmqoyu, Gen7, NOANCOOE, high, NanoCor, Nancat, ai score=83, GrayWare, JDE@5s4u9t, Detected, FICC, CLASSIC, Static AI, Malicious PE, susgen)
md5 751eb8303e9c86d2b68e6dfac0754af0
sha256 8c562994dbe535d4deccb68d77b90966df0e7c2fb8f439102e6c8634809ac84c
ssdeep 3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIMdK0JkbFVo6jWgGj8xikJSjyq:QLV6Bta6dtJmakIM5lkb1jW1aVNga1Sb
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
danger File has been identified by 66 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 Communicates with host for which no DNS query was performed
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 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 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 Collects information to fingerprint the system (MachineGuid
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 (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
testrun123.hopto.org US CABLE-NET-1 24.184.74.42 clean
24.184.74.42 US CABLE-NET-1 24.184.74.42 clean
212.8.244.201 NL ITL LLC 212.8.244.201 mailcious

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