Report - 66af531b832ee_main.exe#space

Stealc Client SW User Data Stealer LokiBot ftp Client info stealer Malicious Library .NET framework(MSIL) UPX ASPack Http API PWS HTTP Code injection Internet API AntiDebug AntiVM PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2024.08.05 15:44 Machine s1_win7_x6403
Filename 66af531b832ee_main.exe#space
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
16.4
ZERO API file : clean
VT API (file) 37 detected (AIDetectMalware, m7QV, malicious, high confidence, Artemis, Unsafe, Kryptik, V4pi, Attribute, HighConfidence, ALRL, FileRepMalware, Malwarex, MSIL@AI, MSIL2, jo9vGgCqGJiBkOxGmzCOMg, Nekark, ilafa, PRIVATELOADER, YXEHDZ, Detected, Znyonm, G84CR8, Eldorado, ZemsilF, @t0@aWz2y3i, Chgt, Swhl, AEYM)
md5 46bb5bf831f8b516b87078f35286a4d6
sha256 521d404952876e51d0cf3a4d0d69e30566406a3a129343d5e53d5d7274f4d3dc
ssdeep 49152:h1B2HjcXLJbDjU+zI0EMnp6a8ZPoMhY+FbmJDXVBRSd2ANZtJjVQRQEdSeN5uzKV:h1B2HILF00fp6a8MmfB5EdS+u+I/Mp
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (36cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 37 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to create or modify system certificates
watch Checks the CPU name from registry
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch Harvests credentials from local FTP client softwares
watch Network activity contains more than one unique useragent
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 Creates a suspicious process
notice Drops a binary and executes it
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 Potentially malicious URLs were found in the process memory dump
notice Queries for potentially installed applications
notice Searches running processes potentially to identify processes for sandbox evasion
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 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)
info This executable has a PDB path
info Tries to locate where the browsers are installed

Rules (31cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
danger Win32_PWS_Loki_m_Zero Win32 PWS Loki memory
warning infoStealer_ftpClients_Zero ftp clients info stealer memory
watch ASPack_Zero ASPack packed file binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Network_HTTP Communications over HTTP 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 DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (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 (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
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

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://steamcommunity.com/profiles/76561199747278259 US Akamai International B.V. 184.26.241.154 41798 clean
t.me GB Telegram Messenger Inc 149.154.167.99 mailcious
steamcommunity.com US Hong Kong Broadband Network Ltd. 184.87.103.42 mailcious
149.154.167.99 GB Telegram Messenger Inc 149.154.167.99 mailcious
168.119.176.241 DE Hetzner Online GmbH 168.119.176.241 mailcious
184.26.241.154 US Akamai International B.V. 184.26.241.154 mailcious

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