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Report - SessionBrokerhostCrtCommonSavesbroker.exe

RAT Generic Malware Malicious Packer UPX DGA DNS Socket Create Service Sniff Audio Escalate priviledges KeyLogger Code injection HTTP Internet API FTP ScreenShot Http API Steal credential Downloader P2P AntiDebug AntiVM PE32 OS Processor Check .NET EXE PE
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ScreenShot
Created 2021.07.30 10:44 Machine s1_win7_x6401
Filename SessionBrokerhostCrtCommonSavesbroker.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
 Behavior Score
9.0
ZERO API file : malware
VT API (file) 32 detected (malicious, high confidence, Basic, Save, confidence, Attribute, HighConfidence, Uztuby, LightStone, TrojanX, QuasarNET, GenericRXJH, A + Mal, SpyNoon, ai score=87, Static AI, Malicious PE, Unsafe, Score, ZemsilF, lr0@ayfA1wii, FakeST, susgen)
md5 cd0b926202baba9c26fde1d71e6b38a7
sha256 1d50e2d78f933c77c53253df393839673c730d3aed70610b579bd178aed3a1ff
ssdeep 24576:2clIzew7NGwa5aJkMi2SwTwKYTPkpD+4:gp5kISMczF
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 32 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
watch Installs itself for autorun at Windows startup
watch Resumed a suspended thread in a remote process potentially 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 suspicious process
notice Creates executable files on the filesystem
notice Drops a binary and executes it
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (38cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch Network_Downloader File Downloader memory
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 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 (upload)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check 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_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
82.146.35.61
whois
RU JSC The First 82.146.35.61 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