Report - vbc.exe

AsyncRAT backdoor Generic Malware Admin Tool (Sysinternals etc ...) Malicious Library PE File .NET EXE PE32
ScreenShot
Created 2021.06.23 09:18 Machine s1_win7_x6402
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
7.2
ZERO API file : clean
VT API (file) 30 detected (malicious, high confidence, Unsafe, Eldorado, Kryptik, ABPP, PWSX, Agensla, Swotter, jyihg, PackedNET, Artemis, Static AI, Suspicious PE, kcloud, AgentTesla, Noon, score, FCXV, R002H07FM21, ABPQ, confidence)
md5 7a6b5a0ec9d4c50b28100db6f480ec34
sha256 4a0213993ce19c9637f964ed47e3e3b95ec5303b62583bde1751bd187037f2d2
ssdeep 12288:ZusJZaF9GF2aXXIcXoCXXIcXo0XXIcXoxwLCF9h9a58oDiLC0Dy5ilHJU0yH+1+L:Zunj6vRDy9a2fdy5oHSH+8+mpppG
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (15cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 30 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Communicates with host for which no DNS query was performed
watch Manipulates memory of a non-child process indicative of process injection
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 Starts servers listening
notice Terminates another process
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 One or more processes crashed
info Uses Windows APIs to generate a cryptographic key

Rules (7cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
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