ScreenShot
| Created | 2021.10.30 11:44 | Machine | s1_win7_x6401 |
| Filename | AsyncClient6121.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 44 detected (malicious, high confidence, MSILZilla, IgenericFC, S14890850, Fareit, AsyncRAT, Save, confidence, ZemsilF, cm0@aCs33Jf, Eldorado, Attribute, HighConfidence, score, Crysan, Kryptik, DropperX, A + Mal, Siggen9, cxnh, R358277, ai score=82, Unsafe, AntiVM, CLASSIC, Static AI, Malicious PE, CoinMiner, GdSda, susgen) | ||
| md5 | 4c2634725187d2ccebaaaf92b231a1f0 | ||
| sha256 | b7f3d1dd2aa804eb498480b7a3b03ea003efb665005e844e51be5b8ab9dc8e79 | ||
| ssdeep | 768:XuGs1THwoPNWUtmT1MHmo2qzbo3p5tByBlPIJzjb9gX3iXL1R2sCepBDZPx:XuGs1THb01m2Uo551J3bqXSf2u3dPx | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (11cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 44 AntiVirus engines on VirusTotal as malicious |
| watch | Installs itself for autorun at Windows startup |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| notice | Connects to a Dynamic DNS Domain |
| notice | Creates a suspicious process |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | Uses Windows utilities for basic Windows functionality |
| notice | Yara rule detected in process memory |
| info | Command line console output was observed |
| info | Queries for the computername |
Rules (51cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (upload) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| watch | Network_Downloader | File Downloader | memory |
| watch | schtasks_Zero | task schedule | memory |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (download) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | Code_injection | Code injection with CreateRemoteThread in a remote process | memory |
| notice | Create_Service | Create a windows service | memory |
| notice | Escalate_priviledges | Escalate priviledges | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | local_credential_Steal | Steal credential | memory |
| notice | Network_DGA | Communication using DGA | memory |
| notice | Network_DNS | Communications use DNS | memory |
| notice | Network_FTP | Communications over FTP | memory |
| notice | Network_HTTP | Communications over HTTP | memory |
| notice | Network_P2P_Win | Communications over P2P network | memory |
| notice | Network_TCP_Socket | Communications over RAW Socket | memory |
| notice | ScreenShot | Take ScreenShot | memory |
| notice | Sniff_Audio | Record Audio | 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 | antisb_threatExpert | Anti-Sandbox checks for ThreatExpert | memory |
| info | Check_Dlls | (no description) | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerCheck__RemoteAPI | (no description) | memory |
| info | DebuggerException__ConsoleCtrl | (no description) | memory |
| info | DebuggerException__SetConsoleCtrl | (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 (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | 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_hook | Affect hook table | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Suricata ids
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
ET JA3 Hash - Possible Malware - Various Trickbot/Kovter/Dridex
ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
ET JA3 Hash - Possible Malware - Various Trickbot/Kovter/Dridex
ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
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