Report - 136.exe

RAT BitCoin Generic Malware ASPack Malicious Packer Malicious Library UPX Antivirus AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.23 10:16 Machine s1_win7_x6401
Filename 136.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
16.6
ZERO API file : clean
VT API (file) 21 detected (malicious, high confidence, Artemis, Unsafe, Save, Kryptik, Eldorado, Phonzy, R417060, ZemsilF, bm0@aupTZ0ni, Static AI, Malicious PE, susgen)
md5 64420e27dd8930254ff853f4bbcfbbf4
sha256 ce15f44e49d68e40d5968e43cee8ae82458fd08fe2173a9c74f552ac6e314457
ssdeep 384:Kz819sO9kzbUIxbgUjmWERIfX6cuvuTY3PpQ6bn8l:jkzbLbgGbfXbY3Pm0n
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (36cnts)

Level Description
danger Disables Windows Security features
danger Executed a process and injected code into it
warning File has been identified by 21 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Creates known SpyNet files
watch Deletes executed files from disk
watch Harvests credentials from local FTP client softwares
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 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 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 shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Queries for potentially installed applications
notice Searches running processes potentially to identify processes for sandbox evasion
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (22cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch ASPack_Zero ASPack packed file binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
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 (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 Virtual_currency_Zero Virtual currency memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (10cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://103.246.146.160:6677/ KH Emaxx Telecom Co Ltd 103.246.146.160 clean
https://cdn.discordapp.com/attachments/893177342426509335/900460516747657216/95E3E248.jpg Unknown 162.159.133.233 clean
https://cdn.discordapp.com/attachments/893177342426509335/900460520904200212/8BA525E2.jpg Unknown 162.159.133.233 clean
https://api.ip.sb/geoip US CLOUDFLARENET 104.26.12.31 clean
cdn.discordapp.com Unknown 162.159.134.233 malware
api.ip.sb US CLOUDFLARENET 172.67.75.172 clean
104.26.12.31 US CLOUDFLARENET 104.26.12.31 clean
103.246.146.160 KH Emaxx Telecom Co Ltd 103.246.146.160 clean
162.159.133.233 Unknown 162.159.133.233 malware
20.43.94.199 JP MICROSOFT-CORP-MSN-AS-BLOCK 20.43.94.199 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