Report - PO 2023-559.pdf.exe

Generic Malware task schedule .NET framework(MSIL) Antivirus AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2023.09.16 14:23 Machine s1_win7_x6403_us
Filename PO 2023-559.pdf.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
12.6
ZERO API file : clean
VT API (file) 54 detected (Common, malicious, high confidence, GenericKD, Kryptik, Vybn, GenKryptik, confidence, 100%, ZemsilF, Gm0@aqnRDij, Eldorado, Malcode, gdn33, GMVY, score, jynhyg, PWSX, Gencirc, sbivm, Inject4, HackTool, USPAXHG23, Static AI, Suspicious PE, NanoBot, Detected, Injection, Artemis, ai score=81, unsafe, Chgt, MSIL@AI, MSIL2, Iz+FLet7efv, HU3rORfPLg, swXbHcbYNXg, Krypt)
md5 88c3f4ed7f9935350c69643e463948b6
sha256 067ff286585484b62e93cd0c35c9d55e348c4919257be366ab641806d3886102
ssdeep 12288:VnZLBJ1CYSVxtauYTBTadgp9Ul6O7ZeE8t:VnXOnrY9TadsE8E8t
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

Level Description
danger File has been identified by 54 AntiVirus engines on VirusTotal as malicious
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger Executed a process and injected code into it
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 Creates a suspicious Powershell process
watch Manipulates memory of a non-child process indicative of process injection
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 for the Locally Unique Identifier on the system for a suspicious privilege
notice Connects to a Dynamic DNS Domain
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 Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
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
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch schtasks_Zero task schedule memory
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (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 PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
papacy.ddns.net Unknown 105.113.32.116 clean
105.113.32.116 Unknown 105.113.32.116 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