ScreenShot
| Created | 2023.06.02 11:13 | Machine | s1_win7_x6401 |
| Filename | ARR.exe | ||
| Type | PE32+ executable (GUI) x86-64 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) | 37 detected (Noon, Zusy, Artemis, Save, malicious, Kryptik, Eldorado, Attribute, HighConfidence, high confidence, AIXU, score, PWSX, FalseSign, Qsmw, Wacatac, Detected, Tedy, ai score=81, unsafe, MSIL@AI, MSIL2, t6uqi2garyThEEG37Vzcgw, AHQB, confidence) | ||
| md5 | 87bf7cbcaad9c9d42226765a9a00123b | ||
| sha256 | e4e48fd7e9b03db186315f6afa59deb72c2d8d741bc1411bd4a11b73bd2b8371 | ||
| ssdeep | 3072:ad+hKaS+2cePjFMMHkDR99yrmiXjzhe3+32NofxvPXj5:E+hKanteLFUH9iZe3ePvj5 | ||
| imphash | |||
| impfuzzy | 3:: | ||
Network IP location
Signature (20cnts)
| 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 | 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 | Manipulates memory of a non-child process indicative of process injection |
| 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 |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Connects to a Dynamic DNS Domain |
| 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 | 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 | Collects information to fingerprint the system (MachineGuid |
| info | This executable has a PDB path |
Rules (16cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | ConfuserEx_Zero | Confuser .NET | binaries (upload) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | memory |
| 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 | IsPE64 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (6cnts) ?
Suricata ids
ET INFO External IP Lookup Domain in DNS Query (checkip .dyndns .org)
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO 404/Snake/Matiex Keylogger Style External IP Check
ET INFO TLS Handshake Failure
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET HUNTING Telegram API Domain in DNS Lookup
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO 404/Snake/Matiex Keylogger Style External IP Check
ET INFO TLS Handshake Failure
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET HUNTING Telegram API Domain in DNS Lookup
PE API
IAT(Import Address Table) is none
EAT(Export Address Table) is none
EAT(Export Address Table) is none