ScreenShot
| Created | 2021.09.01 09:39 | Machine | s1_win7_x6402 |
| Filename | system32.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) | 25 detected (Miner, malicious, high confidence, Artemis, Unsafe, Save, ZemsilF, fr0@aynyPxk, Attribute, HighConfidence, FileRepMalware, Score, kcloud, Wacatac, MachineLearning, Anomalous, Static AI, Malicious PE, susgen, confidence) | ||
| md5 | a5c58ba5c48f9cb8ab45cd5847a8cb08 | ||
| sha256 | 33504964352cf78797b60fccf134fd54ef09e3e5547da904115cd18c8dcf58f2 | ||
| ssdeep | 24576:xNuuZ+OIqYqo9L7EIwa/FyX/EO2muAKoMaIsx7h:xv0tqYNsIwOGETm6oMK7h | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (26cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 25 AntiVirus engines on VirusTotal as malicious |
| warning | Generates some ICMP traffic |
| 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 | Installs itself for autorun at Windows startup |
| 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 | A process attempted to delay the analysis task. |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Creates a shortcut to an executable file |
| notice | Creates executable files on the filesystem |
| 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 | Repeatedly searches for a not-found process |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| 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 | Command line console output was observed |
| info | One or more processes crashed |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (20cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Network_Downloader | File Downloader | memory |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | Network_HTTP | Communications over HTTP | memory |
| notice | Str_Win32_Http_API | Match Windows Http API call | memory |
| notice | Str_Win32_Internet_API | Match Windows Inet API call | 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 | Lnk_Format_Zero | LNK Format | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (6cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET INFO TLS Handshake Failure
ET INFO TLS Handshake Failure
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