Report - 8903.exe

Generic Malware Malicious Packer PE File PE32 .NET EXE
ScreenShot
Created 2021.11.01 11:00 Machine s1_win7_x6403
Filename 8903.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
7.4
ZERO API file : clean
VT API (file) 59 detected (mhUN, malicious, high confidence, Nanocore, Orbus, Unsafe, Save, ZemsilF, mmW@aOORPEl, Eldorado, Nancrat, fpar, NanoBot, hmqoyu, CLASSIC, R + Troj, NanoCor, Noancooe, JDE@5s4u9t, Static AI, Malicious PE, Gen7, ai score=81, Nancat, score, FICC, TScope, Stap, susgen, confidence, 100%)
md5 524b7776639249ac57f6575cc4f05ab1
sha256 28ef1f6f0d8350a3fda0f604089288233d169946fca868c074fc16541b140055
ssdeep 3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIfTIE8nA2VErmL4llWrg1933si:QLV6Bta6dtJmakIM5vEYA2VcmL4lQ0si
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (16cnts)

Level Description
danger File has been identified by 59 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 Executes one or more WMI queries
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 (5cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware 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 (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
mback5338.duckdns.org Unknown 103.151.123.194 clean
103.151.123.194 Unknown 103.151.123.194 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