ScreenShot
| Created | 2023.06.07 17:34 | Machine | s1_win7_x6401 |
| Filename | cleanmgr.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score | Not founds | Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 29 detected (malicious, high confidence, Artemis, Save, confidence, 100%, Kryptik, Eldorado, Attribute, HighConfidence, score, TrojanX, Woreflint, Detected, Ransomware, MoveFiles, Genetic, MSIL@AI, MSIL2, QgQUT, SbYvBUurRQyx4TiQ, Static AI, Suspicious PE, susgen, ZemsilF, 4m0@aWnBdKe) | ||
| md5 | 33108fe9d2b46a295190763ebb4083f7 | ||
| sha256 | 99e559cde8a3871a1c1d045ff0f141d01aeff386c2798c127fdacdff6b193f17 | ||
| ssdeep | 12288:1epHyX2+Q6gmk12kka/ZzT9+CnHYNTQErfawt5IPzKi0:1epJHDskkKpT9hGZrfHtUzK | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (33cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 29 AntiVirus engines on VirusTotal as malicious |
| watch | A process attempted to delay the analysis task. |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to remove evidence of file being downloaded from the Internet |
| 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 | Deletes executed files from disk |
| watch | Harvests credentials from local email clients |
| watch | Harvests information related to installed instant messenger clients |
| watch | Looks for the Windows Idle Time to determine the uptime |
| watch | Manipulates memory of a non-child process indicative of process injection |
| 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 | Connects to a Dynamic DNS Domain |
| 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 | Queries for potentially installed applications |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Searches running processes potentially to identify processes for sandbox evasion |
| notice | Steals private information from local Internet browsers |
| notice | Terminates another process |
| 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 | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (28cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | infoStealer_browser_Zero | browser info stealer | memory |
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | binaries (upload) |
| watch | Chrome_User_Data_Check_Zero | Google Chrome User Data Check | memory |
| watch | Network_Downloader | File Downloader | memory |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | Create_Service | Create a windows service | memory |
| notice | Escalate_priviledges | Escalate priviledges | memory |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_DNS | Communications use DNS | memory |
| notice | Network_TCP_Socket | Communications over RAW Socket | memory |
| notice | ScreenShot | Take ScreenShot | memory |
| notice | Sniff_Audio | Record Audio | memory |
| notice | Str_Win32_Internet_API | Match Windows Inet API call | 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 |
| info | win_hook | Affect hook table | memory |
| info | Win_Trojan_agentTesla_Zero | Win.Trojan.agentTesla | memory |
Network (5cnts) ?
Suricata ids
ET JA3 Hash - Remcos 3.x TLS Connection
ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
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