Report - 644c4dc6bac9156546cca54ce95fa22e5b7df08de5571784085f095a96494a55

RAT Downloader task schedule UPX Confuser .NET Create Service DGA Socket DNS Code injection HTTP PWS[m] Sniff Audio Steal credential Http API P2P Internet API Escalate priviledges FTP KeyLogger ScreenShot AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2023.04.12 18:35 Machine s1_win7_x6401
Filename 644c4dc6bac9156546cca54ce95fa22e5b7df08de5571784085f095a96494a55
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
9.6
ZERO API file : malware
VT API (file) 51 detected (AIDetectNet, Hesv, MSILHeracles, YakbeexMSIL, Artemis, Quasar, V1er, Eldorado, Attribute, HighConfidence, malicious, high confidence, multiple detections, score, RATX, Sgil, Inject4, ASYNCRAT, YXDDKZ, Static AI, Malicious PE, Sabsik, AgentTesla, Detected, ai score=80, unsafe, MSIL@AI, MSIL2, JPncos6k66RoiAUo6gYNBw, susgen, PossibleThreat, ZemsilF, om0@aSAz4)
md5 b8fd2b1bf9995f286509982b5aceae14
sha256 3f612991627b057aa05e5d56447615572203833770a0b206c0c1294eceaf7f0b
ssdeep 6144:jM0eaOG37W9kAzR1llMGhgc7V72aYoATazMFmZZ+PXeoUC8AYqhCVujI:jbOq6yAzR18T0qaYAzwmZZ+PXeoUC8A6
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (20cnts)

Level Description
danger File has been identified by 51 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Installs itself for autorun at Windows startup
watch Manipulates memory of a non-child process indicative of process injection
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 a suspicious process
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
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

Rules (44cnts)

Level Name Description Collection
watch ConfuserEx_Zero Confuser .NET binaries (download)
watch ConfuserEx_Zero Confuser .NET binaries (upload)
watch Network_Downloader File Downloader memory
watch schtasks_Zero task schedule memory
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice local_credential_Steal Steal credential memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_FTP Communications over FTP memory
notice Network_HTTP Communications over HTTP memory
notice Network_P2P_Win Communications over P2P network memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (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 IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
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 win_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
dnuocc.com Unknown 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