ScreenShot
| Created | 2022.05.20 14:03 | Machine | s1_win7_x6401 |
| Filename | winlogon.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 : clean | ||
| VT API (file) | 25 detected (AIDetectNet, Save, Attribute, HighConfidence, malicious, high confidence, DropperX, Static AI, Suspicious PE, AGEN, kcloud, Wacatac, score, Artemis, susgen, ZemsilF, lm0@aWdGSp, confidence) | ||
| md5 | 738a9b03dcbc5baddebe69e14fce6a53 | ||
| sha256 | 89c4a19369477672f668b5961ad8a155f0ab53a00d2a241ac97706ade069e064 | ||
| ssdeep | 1536:Tl+iYwFlKV5XYn/2UvmNbMwqPljdSvtge+EUc8Ie1OFyhfWOf5V+WVoN58cJvPLY:HFlqg2rOwqRfbFyeY7wvBTN | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (22cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 25 AntiVirus engines on VirusTotal as malicious |
| warning | Generates some ICMP traffic |
| 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 | Network communications indicative of possible code injection originated from the process winlogon.exe |
| 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 adapter addresses which can be used to detect virtual network interfaces |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| 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 | 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 |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (12cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win_Trojan_Formbook_m_Zero | Used Formbook[m] | 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 |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (40cnts) ?
Suricata ids
ET HUNTING Suspicious Terse Request for .bmp
ET MALWARE FormBook CnC Checkin (GET)
ET HUNTING Request to .XYZ Domain with Minimal Headers
ET MALWARE FormBook CnC Checkin (GET)
ET HUNTING Request to .XYZ 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