ScreenShot
| Created | 2021.06.04 18:30 | Machine | s1_win7_x6401 |
| Filename | zxcvb.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) | 22 detected (malicious, high confidence, GenericKDZ, Eldorado, Malcode, gdn30, Kryptik, ABGJ, MalwareX, Agensla, ai score=89, AgentTesla, TelegramBot, Static AI, Suspicious PE, susgen, GdSda) | ||
| md5 | e02ae8a88df1daa8a2cf8af319a386e3 | ||
| sha256 | eb352ae2d557edc7edd516a4dd9122a4d7c2ea0646f9844135b7360fec1805f4 | ||
| ssdeep | 24576:wGsGo+3OXAVS6W8ch8+5zIbT77KZ2JRT0BpFg:qp8V/65zOm0Kp | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (50cnts)
| Level | Description |
|---|---|
| danger | Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually) |
| danger | Disables Windows Security features |
| danger | Executed a process and injected code into it |
| warning | File has been identified by 22 AntiVirus engines on VirusTotal as malicious |
| warning | Generates some ICMP traffic |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Appends a known CryptoMix ransomware file extension to files that have been encrypted |
| watch | Attempts to detect Cuckoo Sandbox through the presence of a file |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Collects information about installed applications |
| watch | Communicates with host for which no DNS query was performed |
| watch | Detects VirtualBox using WNetGetProviderName trick |
| watch | Harvests credentials from local email clients |
| watch | Installs itself for autorun at Windows startup |
| watch | Manipulates memory of a non-child process indicative of process injection |
| watch | Network activity contains more than one unique useragent |
| 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 | The process powershell.exe wrote an executable file to disk |
| watch | Used NtSetContextThread to modify a thread in a remote process indicative of process injection |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An executable file was downloaded by the process oxcxcvhgfc.exe |
| notice | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| 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 shortcut to an executable file |
| 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 | Potentially malicious URLs were found in the process memory dump |
| notice | Queries for potentially installed applications |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Sends data using the HTTP POST Method |
| notice | Terminates another process |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 | Collects information to fingerprint the system (MachineGuid |
| info | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (52cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win32_PWS_Loki_Zero | Win32 PWS Loki | memory |
| danger | Win32_Trojan_Gen_1_0904B0_Zero | Win32 Trojan Emotet | binaries (download) |
| warning | infoStealer_browser_Zero | browser info stealer | memory |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Chrome_User_Data_Check_Zero | Google Chrome User Data Check | memory |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| watch | Network_Downloader | File Downloader | memory |
| 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 | IsDLL | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | JPEG_Format_Zero | JPEG Format | binaries (download) |
| info | Lnk_Format_Zero | LNK Format | binaries (download) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | PNG_Format_Zero | PNG Format | binaries (download) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| info | Win32_Trojan_Gen_2_0904B0_Zero | Win32 Trojan Gen | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
| info | Win_Trojan_agentTesla_Zero | Win.Trojan.agentTesla | memory |
Network (28cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET DROP Spamhaus DROP Listed Traffic Inbound group 24
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
ET DROP Spamhaus DROP Listed Traffic Inbound group 24
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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