ScreenShot
| Created | 2021.04.26 18:02 | Machine | s1_win7_x6402 |
| Filename | regasm.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 14 detected (malicious, high confidence, Unsafe, Save, Malcode, gdn34, Taskun, Static AI, Malicious PE, score, confidence) | ||
| md5 | 8228bdbc0be3433aa24927fda1903650 | ||
| sha256 | 7b3e15b25080f4eddf98caba914e56ab913f35ce3297d5f773f11df51bd4bc03 | ||
| ssdeep | 12288:FNndFcOEdSzutduRNEv37LhELa75j55dcar6n6nSO7YoUQMmDLorA2qA2tbCTh2T:6QLE/7V575jrdtSO7YyMELyA2Xrs | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (34cnts)
| Level | Description |
|---|---|
| danger | Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) |
| danger | Executed a process and injected code into it |
| watch | A process attempted to delay the analysis task. |
| 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 | Communicates with host for which no DNS query was performed |
| watch | Deletes executed files from disk |
| watch | File has been identified by 14 AntiVirus engines on VirusTotal as malicious |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Harvests information related to installed instant messenger clients |
| watch | Potential code injection by writing to the memory of another process |
| watch | Putty Files |
| 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 | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates a suspicious process |
| notice | Moves the original executable to a new location |
| notice | One or more potentially interesting buffers were extracted |
| notice | Potentially malicious URLs were found in the process memory dump |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Steals private information from local Internet browsers |
| 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 | Queries for the computername |
| info | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (22cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win32_PWS_Loki_Zero | Win32 PWS Loki | memory |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (upload) |
| 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 (upload) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | IsNET_EXE | (no description) | binaries (upload) |
| info | IsPacked | Entropy Check | binaries (upload) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | network_dns | Communications use DNS | memory |
| info | network_tcp_listen | Listen for incoming communication | binaries (upload) |
| info | network_tcp_listen | Listen for incoming communication | memory |
| info | network_tcp_socket | Communications over RAW socket | memory |
| info | Str_Win32_Winsock2_Library | Match Winsock 2 API library declaration | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
| info | win_files_operation | Affect private profile | memory |
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