Report - XtmkLSmftnsk6TlB.exe

AsyncRAT backdoor PWS .NET framework Admin Tool (Sysinternals Devolutions inc) Malicious Library Antivirus AntiDebug AntiVM PE File .NET EXE OS Processor Check PE32
ScreenShot
Created 2021.06.11 17:44 Machine s1_win7_x6401
Filename XtmkLSmftnsk6TlB.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
11.8
ZERO API file : clean
VT API (file) 39 detected (Malicious, score, FCXD, Unsafe, Androm, GenericKD, Eldorado, Kryptik, ABJN, MalwareX, AgentTesla, Packednet, CLASSIC, Formbook, USMANF921, susgen, moqnc, 1XSW3H7, GdSda, confidence)
md5 b4e2699346ce3d5f87374a32403e3464
sha256 2391b26d23fe9524618b01def4f0d37775efb9dee1d06c7c3927adcd810da40b
ssdeep 24576:YxMPUnab/wxnxDirBaY7u61XEXr1Tj1vN3IvIfTAhi3P5FooG:03xnxOrBF7u65y1nYcAhi3ro
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 39 AntiVirus engines on VirusTotal as malicious
warning Disables Windows Security features
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 Installs itself for autorun at Windows startup
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 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 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 One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (16cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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_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_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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