ScreenShot
| Created | 2021.11.04 15:08 | Machine | s1_win7_x6401 |
| Filename | wnresrv.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 38 detected (malicious, high confidence, RatNET, MSILZilla, YakbeexMSIL, FDDX, SnakeKeylogger, ZemsilF, hm0@aaMCbFm, Kryptik, Eldorado, Passwordstealera, PWSX, Snake, CLASSIC, cmfr, ATRAPS, ai score=80, Mintluks, score, R433068, AgentTesla, Static AI, Malicious PE, GdSda, confidence) | ||
| md5 | 1a0be1dd4745e67fdf94323f46789991 | ||
| sha256 | c83148050b5ad9afb5f9c1f4cbcc2415320f448321accb658446d776e294d422 | ||
| ssdeep | 1536:kr6sFY5eZUuzaZvjxsiEG3G7eJTTJwb/6y+MGPlpiOWBLYC7n0Kcl:kr68cfuzEvjxdHrTabCvXPfwBMgnbY | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (20cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 38 AntiVirus engines on VirusTotal as malicious |
| warning | Disables Windows Security features |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Communicates with host for which no DNS query was performed |
| 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 | Steals private information from local Internet browsers |
| 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 (9cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (upload) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (7cnts) ?
Suricata ids
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
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