ScreenShot
| Created | 2021.03.28 12:29 | Machine | s1_win7_x6402 |
| Filename | win230321.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 33 detected (GenericKD, Kryptik, HwMAI0MA, Unsafe, Wacatac, malicious, confidence, Eldorado, Attribute, HighConfidence, AADL, SpyEyes, Siggen12, Static AI, Suspicious PE, ai score=88, score, Artemis, CLOUD, ZemsilF, 2m0@a0Eussb, RATX) | ||
| md5 | 66c3ae9bddbbbcc2cc979d23792f15ac | ||
| sha256 | b0b0cb50456a989114468733428ca9ef8096b18bce256634811ddf81f2119274 | ||
| ssdeep | 12288:+3GHgV2VMQhAQE1/WGPNCfhPS/1GpmVaNYTbotfR58DE+2u:+3G7jEhPNC5PO1GyUt78DE+2u | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (36cnts)
| Level | Description |
|---|---|
| danger | Disables Windows Security features |
| danger | Executed a process and injected code into it |
| danger | File has been identified by 33 AntiVirus engines on VirusTotal as malicious |
| danger | Stops Windows services |
| watch | A process attempted to delay the analysis task. |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to modify UAC prompt behavior |
| watch | Attempts to remove evidence of file being downloaded from the Internet |
| 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 | Creates known SpyNet files |
| watch | Deletes executed files from disk |
| watch | Looks for the Windows Idle Time to determine the uptime |
| 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 | Tries to unhook Windows functions monitored by Cuckoo |
| 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 | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Resolves a suspicious Top Level Domain (TLD) |
| notice | Uses Windows utilities for basic Windows functionality |
| 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 | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (26cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Trojan_Win32_Glupteba_1_Zero | Trojan Win32 Glupteba | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| 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 | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (download) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | HasDebugData | DebugData Check | binaries (download) |
| info | HasOverlay | Overlay Check | binaries (download) |
| info | HasRichSignature | Rich Signature Check | binaries (download) |
| info | IsNET_EXE | (no description) | binaries (upload) |
| info | IsWindowsGUI | (no description) | binaries (download) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | network_tcp_listen | Listen for incoming communication | memory |
| info | Win32_Trojan_PWS_Azorult_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
| info | win_files_operation | Affect private profile | binaries (download) |
| info | win_files_operation | Affect private profile | memory |
| info | win_mutex | Create or check mutex | binaries (download) |
Network (9cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING Possibly Suspicious Request for Putty.exe from Non-Standard Download Location
ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING Possibly Suspicious Request for Putty.exe from Non-Standard Download Location
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