Report - open.exe

AgentTesla .NET framework(MSIL) UPX PWS KeyLogger AntiDebug AntiVM PE32 PE File .NET EXE OS Processor Check
ScreenShot
Created 2023.11.16 07:49 Machine s1_win7_x6403
Filename open.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
14.4
ZERO API file : malware
VT API (file)
md5 16252016f9922916b06ba87604aaaa29
sha256 4dc4ade4ae2d4abc759ac2fd298eeca6a88f1669fb1f3e761c46d134b5620a0f
ssdeep 24576:qvj9GdNMoG2EldfQ3qF30k7bMccUsV7cIC:xhG2E03Q0k7bEU87cIC
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (31cnts)

Level Description
danger Executed a process and injected code into it
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information on the system (ipconfig
watch Creates a windows hook that monitors keyboard input (keylogger)
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
watch One or more of the buffers contains an embedded PE file
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 suspicious process
notice Creates hidden or system file
notice Looks up the external IP address
notice One or more potentially interesting buffers were extracted
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 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 (18cnts)

Level Name Description Collection
danger Win_Trojan_AgentTesla_M_B_Zero Win Trojan AgentTesla memory
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
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_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

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
api.ipify.org US WEBNX 173.231.16.77 clean
64.185.227.156 US WEBNX 64.185.227.156 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