Report - Wllcsochcbi.exe

Generic Malware UPX .NET framework(MSIL) Antivirus AntiDebug AntiVM .NET EXE PE File PE32 PowerShell
ScreenShot
Created 2023.07.06 17:05 Machine s1_win7_x6401
Filename Wllcsochcbi.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
17.8
ZERO API
VT API (file) 42 detected (MSILMamut, Artemis, GenKryptik, ABRisk, POHX, Malicious, score, DropperX, Gencirc, roczu, AgentTesla, ASBB, Detected, MSILZilla, ai score=85, unsafe, Chgt, R002H0DG323, MSIL@AI, MSIL2, lAIfxRBWCZSVw0GOzmOl3A, susgen)
md5 45dce82d48aaae2c56cf79f3cc4be96d
sha256 4c6754f751e8c8d4b2d6ecb99c2052361dd7b0f7bc11a9c22d1f355f41cafa80
ssdeep 12288:ismzHxmnz/NpzHb9UJ/pqVwHoIXQrn31scWXgFmTApopXdxxL:is4U7jHRVwHo8cWhQFmTjpNxV
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (35cnts)

Level Description
danger File has been identified by 42 AntiVirus engines on VirusTotal as malicious
danger Disables Windows Security features
danger Executed a process and injected code into it
danger Stops Windows services
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 Creates a suspicious Powershell process
watch Creates known SpyNet files
watch Looks for the Windows Idle Time to determine the uptime
watch Manipulates memory of a non-child process indicative of process injection
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 adapter addresses which can be used to detect virtual network interfaces
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 Creates executable files on the filesystem
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 Terminates another process
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerException__SetConsoleCtrl (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 PowerShell PowerShell script scripts
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://23.137.249.127/efsdff3/frgsrgd/panel/uploads/Iprkfcbtfyj.wav Unknown 23.137.249.127
77.88.21.158 RU YANDEX LLC 77.88.21.158
23.137.249.127 Unknown 23.137.249.127

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x517fa0 _CorExeMain

EAT(Export Address Table) is none



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