ScreenShot
| Created | 2021.07.30 10:35 | Machine | s1_win7_x6402 |
| Filename | reviewwinfontrefperf.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) | 46 detected (Basic, malicious, high confidence, YakbeexMSIL, GenericRXPF, Unsafe, Save, ZemsilF, Sm0@aSBbtRmi, Attribute, HighConfidence, R002C0DGR21, Uztuby, KeyloggerX, SpyNoon, QuasarNET, Static AI, Malicious PE, oilfv, kcloud, score, TScope, ai score=82, Tbim, GdSda, confidence, 100%, HwMAueAA) | ||
| md5 | cc982bb10719da0325bdd790df6b3a03 | ||
| sha256 | 23b110e0a381abb4d44bd7e2906548429ee426d9463a02af31dc3dd98c044341 | ||
| ssdeep | 12288:7qnOM2ixO3YAGG/U3+RpcRUiZc/P/XmTQCXr7KijCLeF3T/H:7+OMAYAZ/uUpXP/XEyiqeZ | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (21cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 46 AntiVirus engines on VirusTotal as malicious |
| watch | Communicates with host for which no DNS query was performed |
| watch | Installs itself for autorun at Windows startup |
| notice | A process attempted to delay the analysis task. |
| 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 | Executes one or more WMI queries |
| notice | Executes one or more WMI queries which can be used to identify virtual machines |
| 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 | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| 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 | Collects information to fingerprint the system (MachineGuid |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (8cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (6cnts) ?
Suricata ids
ET POLICY Possible External IP Lookup Domain Observed in SNI (ipinfo. io)
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET POLICY Possible External IP Lookup SSL Cert Observed (ipinfo.io)
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET POLICY Possible External IP Lookup SSL Cert Observed (ipinfo.io)
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