ScreenShot
| Created | 2023.09.25 17:07 | Machine | s1_win7_x6401 |
| Filename | docdad20230925.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 41 detected (Lazy, malicious, high confidence, score, Save, Kryptik, confidence, 100%, ZemsilF, Ym0@aWMAE9ii, Eldorado, Attribute, HighConfidence, AHUA, RATX, high, Static AI, Malicious PE, Wacatac, Detected, Artemis, ai score=85, unsafe, MSIL@AI, MSIL2, BNLpe8S, evU18iqAVPjF+Q, susgen) | ||
| md5 | a2144ec73f793ed49255c96839a7a1f6 | ||
| sha256 | ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec | ||
| ssdeep | 12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (36cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 41 AntiVirus engines on VirusTotal as malicious |
| danger | Executed a process and injected code into it |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Creates a windows hook that monitors keyboard input (keylogger) |
| 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 | Installs itself for autorun at Windows startup |
| 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 | A process attempted to delay the analysis task. |
| 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 | Connects to a Dynamic DNS Domain |
| notice | Created a process named as a common system process |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | Looks up the external IP address |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Steals private information from local Internet browsers |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | Uses Windows utilities for basic Windows functionality |
| 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 (18cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | 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 (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | 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_hook | Affect hook table | memory |
Network (5cnts) ?
Suricata ids
ET INFO External IP Lookup Domain in DNS Query (checkip .dyndns .org)
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO 404/Snake/Matiex Keylogger Style External IP Check
SURICATA Applayer Detect protocol only one direction
ET POLICY External IP Lookup - checkip.dyndns.org
ET INFO 404/Snake/Matiex Keylogger Style External IP Check
SURICATA Applayer Detect protocol only one direction
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