Report - nano.exe

Malicious Library Malicious Packer PE File .NET EXE PE32
ScreenShot
Created 2024.08.12 09:14 Machine s1_win7_x6403
Filename nano.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
8.2
ZERO API file : mailcious
VT API (file) 62 detected (AIDetectMalware, Windows, Nanocore, Orbus, Unsafe, Save, malicious, DownLoader12, BSON, Nancrat, GenericRXAA, fpar, NanoBot, hmqoyu, CLASSIC, Gen7, NOANCOOE, SMUPS, Real Protect, high, score, NanoCor, Static AI, Malicious PE, Detected, ai score=85, GrayWare, JDE@5s4u9t, atmn, Nancat, Eldorado, ZemsilF, ImW@aKcFB, susgen, confidence, 100%)
md5 1873f27a43f63c02800d6c80014c0235
sha256 4bfcba248d79dfd6c2cba52d7c9ee18842f007bfa0e3ba99ababacb4794e8c6e
ssdeep 12288:WLV6BtpmkzPLrQIh+ReoSwN+Jp9rQj3SHdEIzqLPxc3hHyOm:EApfzPfQ9RecEp9NzUi3JyL
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (17cnts)

Level Description
danger File has been identified by 62 AntiVirus engines on VirusTotal as malicious
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 Executes one or more WMI queries
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 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 (5cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
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 (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
91.92.240.41 BG Natskovi & Sie Ltd. 91.92.240.41 clean

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