ScreenShot
| Created | 2023.03.17 18:07 | Machine | s1_win7_x6403 |
| Filename | lastdc.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) | 31 detected (AIDetectNet, malicious, high confidence, MSILZilla, GenericRXVN, confidence, Attribute, HighConfidence, score, SnakeLogger, Ader, Rqil, iqano, ai score=88, AveMaria, NECT, Detected, RequestPOST, ZemsilF, Mo0@auhmuz, OScope, IcCRlUc0v4S) | ||
| md5 | 2d0cc7c5c9953f0b7c91b26533f93cbc | ||
| sha256 | 79edd0ed1204d38ba8d6269eb025a5780067d2b4f11c6aee3318065ce6a14945 | ||
| ssdeep | 49152:oWsTEkwghTKv4jysGUqgCoOtt1JKeENicJWTtv:oFEkwghTKv4jysGUqgCxtttEwRtv | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (23cnts)
| 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 |
| danger | File has been identified by 31 AntiVirus engines on VirusTotal as malicious |
| 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 | Installs itself for autorun at Windows startup |
| watch | Manipulates memory of a non-child process indicative of process injection |
| watch | One or more of the buffers contains an embedded PE file |
| 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 | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks whether any human activity is being performed by constantly checking whether the foreground window changed |
| notice | Creates a shortcut to an executable file |
| notice | Creates executable files on the filesystem |
| notice | One or more potentially interesting buffers were extracted |
| 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 | Queries for the computername |
| info | This executable has a PDB path |
Rules (22cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | NorthKorea_Zero | Maybe it's North Korea File | binaries (upload) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| notice | Code_injection | Code injection with CreateRemoteThread in a remote process | memory |
| notice | Generic_PWS_Memory_Zero | PWS Memory | 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 (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | Lnk_Format_Zero | LNK Format | 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 (upload) |
PE API
IAT(Import Address Table) Library
mscoree.dll
0x699b1c _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x699b1c _CorExeMain
EAT(Export Address Table) is none