Report - vbc.exe

RAT Hide_EXE PowerShell MZ Generic Malware Anti_VM UPX Antivirus PE32 .NET EXE PE File
ScreenShot
Created 2022.11.02 11:37 Machine s1_win7_x6401
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
7.2
ZERO API file : malware
VT API (file) 32 detected (AIDetectNet, Lazy, malicious, confidence, 100%, ZemsilF, @p0@aqZUsjf, Kryptik, Eldorado, Attribute, HighConfidence, high confidence, DcRat, score, PWSX, Generic ML PUA, AGEN, AgentTesla, Detected, ai score=83, Static AI, Malicious PE)
md5 74ae5df68e133e9f312d191beb52d302
sha256 81afd195e1e7ef6a3831c762b8017f7e870fddbd049479c4811c80892cee1288
ssdeep 24576:FbbjdIy6YrN6SP+JXOXL2bERei6PCIraVuh75jO1IujDFb3uMTVTUP3BUJSBNkCI:
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (16cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 32 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Manipulates memory of a non-child process indicative of process injection
watch The process powershell.exe wrote an executable file to disk
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 Creates a shortcut to an executable file
notice Creates a suspicious process
notice Terminates another process
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (10cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning hide_executable_file Hide executable file binaries (upload)
warning PowerShell_Script_MZ_Zero PowerShell Script MZ [Zero] binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice anti_vm_detect Possibly employs anti-virtualization techniques 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)
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
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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