Report - vbc.exe

PWS .NET framework RAT Generic Malware Antivirus AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2023.03.17 09:56 Machine s1_win7_x6401
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
11.2
ZERO API file : malware
VT API (file) 29 detected (AIDetectNet, Noon, malicious, high confidence, PackedNET, Artemis, Save, confidence, 100%, Kryptik, Eldorado, AIJA, score, PWSX, moderate, Generic ML PUA, RemLoader, FormBook, 3KL9KQ, Detected, MSIL@AI, MSIL2, 4lMTJiqGFgOFzHH5TREOMw, Static AI, Suspicious PE, susgen, GenKryptik, GCKQ)
md5 d48f1e07e2a3a115b8607be5d66654f6
sha256 f3c78a11dc0b821e6833fc5c2040cb94a2b4f91a37d27bce5576c1daa190b8e7
ssdeep 24576:JuFQwcvHCQjAHS/MvjkunmVFPFtT3nGlNP5z/Q:RPhjvHVFPf34
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch The process powershell.exe wrote an executable file to disk
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
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 HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Sends data using the HTTP POST Method
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
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 (14cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (18cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.sandpiper-apts.com/ehix/ US Clayer Limited 164.88.201.214 clean
http://www.dinggubd.net/ehix/?Fdu3T7=uZpwbE4nN2FTslKaVHbKae8zgt7ky0ornocOgs3KDnesGtSB9h/P9vAZ6XnbrtyGeAsuVYTjH2sIgvdhXFnX0MFN/kXYYsd1fLs/H40=&Oyh1=qgHWelcnGh26y US COGENT-174 38.163.2.19 clean
http://www.sandpiper-apts.com/ehix/?Fdu3T7=hKOCARu+DWiPhBy2OXBeEvuIeOvdbNydRa9l0pOJHQ6sKi3bem59mbFo0sLscCkUJvlKEmppatvAN8BVStPrPz5WppUEK8vG3JM0zT8=&Oyh1=qgHWelcnGh26y US Clayer Limited 164.88.201.214 clean
http://www.lokoua.com/ehix/?Fdu3T7=J3/YmHeO7gb1hrFZ00oJyvMIE8jwh9FpyhpNHHKc/Dwl4Ow066XTIPDrbjScBfSdD+Wjc5kJZlXqKPUymTpi8Jn7Vm98ECa7tDgcZOQ=&Oyh1=qgHWelcnGh26y NG SkyVision Global Networks Ltd 83.229.19.64 clean
http://www.concuahuhong1.click/ehix/ SG AMAZON-02 3.1.17.18 clean
http://www.concuahuhong1.click/ehix/?Fdu3T7=if2Sxmb1wbsgykDYswU7cz6QUuf80YrLHLWXtXfRIc3fuRnAOAgdB9sWkF8Vm7Dtou8EjpxeY5RMTtGuXYR0sZRmFMzKh58Rimf7prg=&Oyh1=qgHWelcnGh26y SG AMAZON-02 18.140.6.45 clean
http://www.sqlite.org/2021/sqlite-dll-win32-x86-3360000.zip US Linode, LLC 45.33.6.223 clean
http://www.dinggubd.net/ehix/ US COGENT-174 38.163.2.19 clean
www.sandpiper-apts.com US Clayer Limited 164.88.201.214 clean
www.dinggubd.net US COGENT-174 38.163.2.19 clean
www.lokoua.com NG SkyVision Global Networks Ltd 83.229.19.64 clean
www.concuahuhong1.click SG AMAZON-02 3.1.17.18 clean
www.atomkem.com Unknown clean
52.76.101.124 SG AMAZON-02 52.76.101.124 clean
83.229.19.64 NG SkyVision Global Networks Ltd 83.229.19.64 clean
38.163.2.19 US COGENT-174 38.163.2.19 clean
45.33.6.223 US Linode, LLC 45.33.6.223 clean
164.88.201.214 US Clayer Limited 164.88.201.214 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