ScreenShot
| Created | 2021.08.21 12:57 | Machine | s1_win7_x6402 |
| Filename | bildak.exe | ||
| Type | PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 24 detected (malicious, high confidence, PackedNET, GenericKDZ, ZemsilF, zo0@aiXygMm, Eldorado, Attribute, HighConfidence, Kryptik, ACKI, Reline, Unsafe, Score, 100%, AGEN, AgentTesla, ai score=82, ABUD) | ||
| md5 | 74462c471a8c9dffed8b89f945c95175 | ||
| sha256 | cedb8ce13c6f65cf484d5c65485e10ce1437a06f5346b30bfa0df46ad007c998 | ||
| ssdeep | 24576:rKwiAFnxGB0x427UGZgDcF8B9JgQLsuJp+t/wF1FWQ70JKlXQPsnrjv/pbxH0LGp:MAFm | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (37cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 24 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Checks the CPU name from registry |
| 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 | 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 | 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 bildak.exe |
| 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 an executable to the user AppData folder |
| notice | Executes one or more WMI queries |
| 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 | Queries for potentially installed applications |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| notice | Sends data using the HTTP POST Method |
| notice | Steals private information from local Internet browsers |
| notice | Terminates another process |
| 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 | Queries for the computername |
| info | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (31cnts)
| 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 | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| warning | infoStealer_browser_Zero | browser info stealer | memory |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| 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 | Network_SMTP_dotNet | Communications smtp | memory |
| notice | ScreenShot | Take ScreenShot | 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 (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 | 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 | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| 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 (12cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET INFO Dotted Quad Host DLL Request
ET POLICY PE EXE or DLL Windows file download HTTP
ET MALWARE Vidar/Arkei Stealer Client Data Upload
ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
ET INFO Dotted Quad Host DLL Request
ET POLICY PE EXE or DLL Windows file download HTTP
ET MALWARE Vidar/Arkei Stealer Client Data Upload
ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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