ScreenShot
| Created | 2023.09.20 17:59 | Machine | s1_win7_x6401 |
| Filename | ark.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) | 41 detected (Agensla, malicious, high confidence, MSILHeracles, YakbeexMSIL, Artemis, Save, confidence, 100%, Kryptik, Eldorado, Formbook, AJRS, score, PWSX, AGEN, high, Sabsik, Detected, ZemsilF, Lm0@aG6exko, ai score=80, unsafe, Chgt, MSIL@AI, MSIL2, QYkZxPIcpg5YqR1HnRlPOw, Static AI, Malicious PE, susgen) | ||
| md5 | 9dadfc8f01d8b789ce9267cc188591bb | ||
| sha256 | cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687 | ||
| ssdeep | 12288:zpUTErRtZC/CY5fdwZ0uYlR8gdV0Vj28EERjnd/gm5TD:NUiZC/CY5f6SHlR8gaj28Dv/gm5 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (23cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 41 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 | 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 | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| 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 | Used NtSetContextThread to modify a thread in a remote process indicative of process injection |
| 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 | Looks up the external IP address |
| notice | One or more potentially interesting buffers were extracted |
| 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 (16cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | 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 | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (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 |
Suricata ids
ET INFO External IP Lookup Domain (ipify .org) in DNS Lookup
ET INFO TLS Handshake Failure
ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET INFO TLS Handshake Failure
ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI
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