Report - vbc.exe

PWS Loki[b] Loki[m] .NET framework RAT Generic Malware Admin Tool (Sysinternals etc ...) Antivirus DNS Socket AntiDebug AntiVM PE File .NET EXE PE32 MSOffice File
ScreenShot
Created 2021.07.02 09:52 Machine s1_win7_x6402
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
16.4
ZERO API file : malware
VT API (file) 39 detected (MSILHeracles, Kryptik, malicious, confidence, 100%, Eldorado, ABSX, RATX, Angj, PackedNET, R002C0WG121, AgentTesla, FDAH, FormBook, LokiBot, blqzp, kcloud, PrimaryPass, m7QV, MSILKrypt, R428594, ai score=86, Static AI, Malicious PE, susgen, GdSda, HgIASXkA)
md5 7ee94644f9d6a3a9e45266faf8c8c526
sha256 e16a0f6555a1caf9cceb1ffcf79b792df4cb4eab306b4df269c0a6adb27e53bc
ssdeep 12288:X5ot4UWM2BbX5Tyw4y2pt+4y2ptXnSOiD7bFJwEM178ugyUADSyd7dt97N2zKk+z:Xf+yoyw5iDNJwEMwugyLDLd7x7dy
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (36cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 39 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 Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Harvests information related to installed instant messenger clients
watch Potential code injection by writing to the memory of another process
watch Putty Files
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 Moves the original executable to a new location
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (20cnts)

Level Name Description Collection
danger Win32_PWS_Loki_Zero Win32 PWS Loki memory
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
info anti_dbg Checks if being debugged memory
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 Microsoft_Office_File_Zero Microsoft Office File 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 (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://63.141.228.141/32.php/2fhJw7EqIe0Rj US NOCIX 63.141.228.141 1900 mailcious
63.141.228.141 US NOCIX 63.141.228.141 mailcious

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