Report - windll32.exe

RAT Gen1 Hide_EXE Generic Malware PDF Suspicious Link UPX Anti_VM Antivirus Malicious Library Malicious Packer PDF AntiDebug AntiVM PE File PE32 .NET EXE OS Processor Check DLL
ScreenShot
Created 2022.10.12 22:57 Machine s1_win7_x6403
Filename windll32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
15.0
ZERO API file : malware
VT API (file) 28 detected (malicious, high confidence, Tedy, confidence, ZemsilF, 4n2@aS@qkSl, Attribute, HighConfidence, score, AGEN, ai score=85, MarsStealer, Detected, rexp, Static AI, Malicious PE, susgen)
md5 92f3f7757c5dd13612f15befaa6f1a35
sha256 4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13
ssdeep 12288:hTj1GrEMS1JjCjlvWPTESYknhs6HN+GYd1NGorKnWZQzjFeM6DJOjB9sTTHyKuUc:avC+GYd1NprKnYQb6VOO7s
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (34cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 28 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to access Bitcoin/ALTCoin wallets
watch Checks the CPU name from registry
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information about installed applications
watch Harvests credentials from local email clients
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 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 Drops an executable to the user AppData folder
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 Queries for potentially installed applications
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (33cnts)

Level Name Description Collection
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
warning hide_executable_file Hide executable file binaries (download)
warning hide_executable_file Hide executable file binaries (upload)
warning PDF_Suspicious_Link_Z PDF Suspicious Link binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice anti_vm_detect Possibly employs anti-virtualization techniques binaries (download)
notice anti_vm_detect Possibly employs anti-virtualization techniques binaries (upload)
notice PDF_Format_Z PDF Format binaries (download)
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 (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 vmdetect Possibly employs anti-virtualization techniques memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://images.pexels.com/photos/2246476/pexels-photo-2246476.jpeg US CLOUDFLARENET 104.17.208.102 clean
http://crypto-land.net/request US CLOUDFLARENET 104.21.53.101 clean
http://crypto-land.net/steak/gate.php US CLOUDFLARENET 104.21.53.101 clean
images.pexels.com US CLOUDFLARENET 104.17.209.102 clean
crypto-land.net US CLOUDFLARENET 172.67.211.253 clean
104.21.53.101 US CLOUDFLARENET 104.21.53.101 clean
104.17.208.102 US CLOUDFLARENET 104.17.208.102 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