ScreenShot
| Created | 2021.11.12 10:49 | Machine | s1_win7_x6401 |
| Filename | .csrss.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : clean | ||
| VT API (file) | 44 detected (Noon, malicious, high confidence, MSILZilla, Generic PWS, Unsafe, Kryptik, Eldorado, ADKQ, R002C0WKA21, MalwareX, kduvo@0, PackedNET, Static AI, Malicious PE, R + Troj, igvic, kcloud, Tnega, score, AgentTesla, R449566, ai score=100, Tasker, ADKN, GdSda, confidence, 100%, susgen) | ||
| md5 | a4f9c0b9ec3ad64198a50fe22228fe39 | ||
| sha256 | 63b3a7ba0a4323a0d4757115eb0091f3d388ed0391f75493c43a6cd61fa7f39e | ||
| ssdeep | 6144:RC6Ayjaw4FtrDn0OHbOP4xSBAc2GyLLR1bKRiCUF7btN11:RCmjaw4FtD00bIzBAfRERQZN11 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (26cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 44 AntiVirus engines on VirusTotal as malicious |
| 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 | 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 | Created a process named as a common system process |
| 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 | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | One or more potentially interesting buffers were extracted |
| notice | Potentially malicious URLs were found in the process memory dump |
| notice | Steals private information from local Internet browsers |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 | Tries to locate where the browsers are installed |
Rules (16cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win32_PWS_Loki_Zero | Win32 PWS Loki | memory |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | Network_DNS | Communications use DNS | memory |
| notice | Network_TCP_Socket | Communications over RAW Socket | 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 | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | 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