ScreenShot
| Created | 2023.07.12 17:50 | Machine | s1_win7_x6401 |
| Filename | csrssmd.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 47 detected (Common, malicious, high confidence, GenericKD, unsafe, Noon, Vynu, GenKryptik, Eldorado, Attribute, HighConfidence, GLNE, score, PWSX, Rqil, AGEN, Inject4, high, Detected, Injection, Artemis, ai score=84, FormBook, Chgt, MSIL@AI, MSIL2, ThWd71UmMtV8RPvIDJEK1Q, Static AI, Malicious PE, susgen, Kryptik, AJAC, ZemsilF, Em0@aGuPbLc, confidence, 100%) | ||
| md5 | dd9ad309b65f30ea83791cec013a90e0 | ||
| sha256 | 7997a727f9b2d2bba8f6a846dda7f4640c5b3d1d31db85deb0ef1c4ff05574a4 | ||
| ssdeep | 12288:0jVFnocK1r1Jc1dSrCLhCO+ukXCFZibClPpE+BlntGcO3x:Wocyc7fhCO+rXCFZEmnltGt | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (22cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 47 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 | 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 for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates hidden or system file |
| 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 | Sends data using the HTTP POST Method |
| 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 | One or more processes crashed |
Rules (11cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| 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 |
Network (35cnts) ?
Suricata ids
ET DNS Query to a *.top domain - Likely Hostile
ET INFO HTTP Request to a *.buzz domain
ET INFO HTTP Request to a *.top domain
ET HUNTING Request to .TOP Domain with Minimal Headers
ET INFO HTTP Request to a *.buzz domain
ET INFO HTTP Request to a *.top domain
ET HUNTING Request to .TOP Domain with Minimal Headers
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