Report - vbc.exe

AsyncRAT backdoor Malicious Library .NET EXE PE File PE32
ScreenShot
Created 2021.04.30 18:14 Machine s1_win7_x6401
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
2.4
ZERO API file : clean
VT API (file) 13 detected (malicious, high confidence, Artemis, Save, confidence, Malcode, gdn30, FileRepMalware, Wacatac, score, Static AI, Malicious PE)
md5 877d8424f6d09301998cf3840c42dcb9
sha256 39240adb79ab0b0b89912abceb1461edbdc7e7b0ebf2b54b49bd64d230e01916
ssdeep 12288:w9rULN2/9/uaxiaDQGU7P/drcH7H2+h9KBNdYn:/x2/9RTQGUbaHx9Kzda
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (8cnts)

Level Description
watch File has been identified by 13 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
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 Command line console output was observed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (5cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library 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