Report - StubMonoDLL.exe

RAT Generic Malware Malicious Packer Malicious Library PE File OS Processor Check .NET EXE PE32
ScreenShot
Created 2021.09.15 09:36 Machine s1_win7_x6401
Filename StubMonoDLL.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
3.0
ZERO API file : malware
VT API (file) 20 detected (GenericKD, FRAX, Bladabindi, Malicious, GenericMC, Sabsik, ai score=83, PossibleThreat)
md5 f613cc950434bbccd7e48e584d60989a
sha256 a52612f0586ec413ab3501e667251fb9d264f8469fbaff3a8720e5aad2074066
ssdeep 3072:cHEXyhK1VHYmVrv+C4KT98ta4rRNLQwUqdFKKXpR3VGh4UVkE:cJOT98BFQNqdFKcp5Sk
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (8cnts)

Level Description
warning File has been identified by 20 AntiVirus engines on VirusTotal as malicious
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 Repeatedly searches for a not-found process
notice Searches running processes potentially to identify processes for sandbox evasion
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed

Rules (8cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
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 OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x842000 _CorExeMain

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure