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Report - IMG_105-10_60_85.pdf

Azorult .NET framework ftp Client info stealer email stealer Win Trojan agentTesla browser Antivirus Google Chrome User Data AsyncRAT backdoor
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ScreenShot
Created 2021.03.12 18:35 Machine s1_win7_x6402
Filename IMG_105-10_60_85.pdf
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
 Behavior Score
17.0
ZERO API file : malware
VT API (file) 40 detected (SpyBotNET, GenericKD, GenericRXNX, Unsafe, Kryptik, malicious, AYYM, Attribute, HighConfidence, PWSX, Noon, Pepp, XetimaLogger, ujevi, ai score=81, kcloud, Ymacco, SnakeKeyLogger, V3FBBW, score, R371539, Snake, dGZlOgyqUukUjTQ6qw, HgIASQoA)
md5 b47dd39109575e7b48e55f3e8d402a55
sha256 26e081f250dde208bd9cdaa7c9a4353498fb6130b52be743eefc6bf8f3b36c68
ssdeep 24576:M6s4pNQnS/sVOZfD+k28mcqWWrWWe4rEVJNawmNuWGLySeh9A3RxZ5X:3s4psNEZfD+k3mCWr6VNaKkSCABxX
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (35cnts)

Level Description
danger File has been identified by 40 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to identify installed AV products by installation directory
watch Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch Creates a suspicious Powershell process
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Harvests information related to installed instant messenger clients
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 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 Connects to a Dynamic DNS Domain
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Looks up the external IP address
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 Steals private information from local Internet browsers
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 (60cnts)

Level Name Description Collection
warning infoStealer_browser_Zero browser info stealer memory
warning infoStealer_emailClients_Zero email clients info stealer memory
warning infoStealer_ftpClients_Zero ftp clients info stealer memory
watch Antivirus Contains references to security software binaries (download)
watch Chrome_User_Data_Check_Zero Google Chrome User Data Check 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 Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (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 IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory
info create_com_service Create a COM server memory
info create_service Create a windows service memory
info cred_local Steal credential memory
info escalate_priv Escalade priviledges memory
info hijack_network Hijack network configuration memory
info inject_thread Code injection with CreateRemoteThread in a remote process memory
info IsNET_EXE (no description) binaries (upload)
info IsPacked Entropy Check binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info keylogger Run a keylogger memory
info lookupip Lookup external IP memory
info migrate_apc APC queue tasks migration memory
info network_dga Communication using dga memory
info network_dns Communications use DNS memory
info network_dropper File downloader/dropper memory
info network_ftp Communications over FTP memory
info network_http Communications over HTTP memory
info network_p2p_win Communications over P2P network memory
info network_smtp_dotNet Communications smtp memory
info network_tcp_listen Listen for incoming communication memory
info network_tcp_socket Communications over RAW socket memory
info network_toredo Communications over Toredo network memory
info network_udp_sock Communications over UDP network memory
info screenshot Take screenshot memory
info sniff_audio Record Audio memory
info spreading_file Malware can spread east-west file memory
info spreading_share Malware can spread east-west using share drive memory
info Str_Win32_Wininet_Library Match Windows Inet API library declaration memory
info Str_Win32_Winsock2_Library Match Winsock 2 API library declaration memory
info Win32_Trojan_PWS_Azorult_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)
info win_files_operation Affect private profile memory
info win_mutex Create or check mutex memory
info win_private_profile Affect private profile memory
info win_registry Affect system registries memory
info win_token Affect system token memory
info Win_Trojan_agentTesla_Zero Win.Trojan.agentTesla memory

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://checkip.dyndns.org/
whois
US DYNDNS 162.88.193.70 clean
https://freegeoip.app/xml/175.208.134.150
whois
US CLOUDFLARENET 104.21.19.200 clean
freegeoip.app
whois
US CLOUDFLARENET 172.67.188.154 clean
checkip.dyndns.org
whois
US DYNDNS 162.88.193.70 clean
162.88.193.70
whois
US DYNDNS 162.88.193.70 clean
104.21.19.200
whois
US CLOUDFLARENET 104.21.19.200 clean

Suricata ids

ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET POLICY External IP Lookup - checkip.dyndns.org
ET POLICY DynDNS CheckIp External IP Address Server Response

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