Report - fg.exe

XWorm Hide_EXE WebCam Antivirus UPX AntiDebug AntiVM PE File .NET EXE PE32 DLL OS Processor Check .NET DLL
ScreenShot
Created 2025.02.19 11:07 Machine s1_win7_x6401
Filename fg.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
10.8
ZERO API
VT API (file)
md5 e86ce954943b063bb003f4769b82f7e9
sha256 07253a1e6616775fcf3fa678512f2e18c0b557b043127b14b3446aa352e99d49
ssdeep 192:gOK4UYo7la4lPsPaVKNPlb6jLIO7/YK+U2m0LW3oEb16u1a1/ZohgBFshVXpY55p:D1UYo7laDPaYUn0Bh
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger Executed a process and injected code into it
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
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 Deletes executed files from disk
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 Used NtSetContextThread to modify a thread in a remote 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 Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
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 Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (22cnts)

Level Name Description Collection
danger Win_XWorm_3_M_Zero Win XWorm V3.1 memory
warning hide_executable_file Hide executable file binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch RAT_WebCam Remote Administration toolkit using webcam memory
watch UPX_Zero UPX packed file binaries (download)
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_DLL (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info WMI_VM_Detect Detection of Virtual Appliances through the use of WMI for use of evasion. memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
168.138.162.78 Unknown 168.138.162.78

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