ScreenShot
| Created | 2021.04.22 18:25 | Machine | s1_win7_x6401 |
| Filename | IMG_10540078520047.pdf.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 17 detected (malicious, high confidence, Unsafe, Save, Kryptik, Eldorado, Stelega, Static AI, Malicious PE, Tnega, score, GenKryptik, FEGB, ZemsilF, xm0@ayKFDSf) | ||
| md5 | 0584b79b0075099a377c30ffa0bfee28 | ||
| sha256 | 21da795f10f09a3b3efac01c2ec33f70f0b427e883469ca4566d385b7bdb6a57 | ||
| ssdeep | 6144:z4rKqpv+bvZ8ETb/cjMiTqjcTYfkoteqKB9BQwRG:9vGsb/cjMiTqoTYfdMA | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (21cnts)
| Level | Description |
|---|---|
| watch | Attempts to identify installed AV products by installation directory |
| watch | File has been identified by 17 AntiVirus engines on VirusTotal as malicious |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Harvests information related to installed instant messenger clients |
| 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 | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | Looks up the external IP address |
| 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 (18cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| 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 | 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 | IsNET_EXE | (no description) | binaries (upload) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | keylogger | Run a keylogger | memory |
| info | network_smtp_dotNet | Communications smtp | memory |
| info | network_tcp_listen | Listen for incoming communication | memory |
| info | win_files_operation | Affect private profile | memory |
| info | Win_KeyBase_Keylogger_IN_Zero | Win KeyBase Keylogger | binaries (upload) |
Network (6cnts) ?
Suricata ids
ET POLICY External IP Lookup - checkip.dyndns.org
ET POLICY DynDNS CheckIp External IP Address Server Response
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET POLICY DynDNS CheckIp External IP Address Server Response
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
PE API
IAT(Import Address Table) Library
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none