ScreenShot
| Created | 2021.08.20 17:14 | Machine | s1_win7_x6401 |
| Filename | DllDhcpreviewsessioncrt.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) | |||
| md5 | cb7eb1adf0a8dfe4dd7f13840f612514 | ||
| sha256 | 0446e34ae6ce7f9cca130d58f9dcf0485e2d4ec5010eefbec4c826918c72e3ae | ||
| ssdeep | 12288:qlJMy8mJMcg/izkcwyAQubRUjq+81o7/NOauaspKtbg2Kgkqn4:qdLZg/8w1bRIqFoKpeMvgk+4 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (16cnts)
| Level | Description |
|---|---|
| watch | Communicates with host for which no DNS query was performed |
| watch | Created a process named as a common system process |
| watch | Installs itself for autorun at Windows startup |
| notice | A process created a hidden window |
| 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 | Performs some HTTP requests |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| 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 | One or more processes crashed |
| info | Queries for the computername |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
Rules (7cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (upload) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (3cnts) ?
Suricata ids
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