ScreenShot
| Created | 2024.08.21 13:53 | Machine | s1_win7_x6401 |
| Filename | 66c0f6e668215_stealc_test.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 57 detected (AIDetectMalware, Stealerc, malicious, high confidence, Artemis, Jalapeno, Unsafe, Kryptik, Vqqp, GenusT, DYVQ, Attribute, HighConfidence, GenKryptik, HARO, PWSX, Stelpak, TrojanPSW, LummaC, CLOUD, Stealc, wahso, DownLoader47, PRIVATELOADER, YXEHRZ, Real Protect, Static AI, Suspicious PE, Detected, ai score=83, Eldorado, MalwareX, ZemsilCO, mm0@a01Qq1i, Krypt, GdSda, QQPass, QQRob, Vimw, susgen, AKRF, confidence, MAY2XJC) | ||
| md5 | 9dcd1be11b36b327ced51156db4f63be | ||
| sha256 | d5c9d358c21a766b5a856276585686517ff818f36ee501b97884c062cdd1853d | ||
| ssdeep | 6144:U1mWXPvwnkApSNfWWiu5exsHD/nrIiid8SXHhJjY:U8WXXqHSNfWWiyngdbHhFY | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (26cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 57 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 | Checks the CPU name from registry |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Collects information about installed applications |
| watch | Communicates with host for which no DNS query was performed |
| 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 | An executable file was downloaded by the process regasm.exe |
| notice | Creates executable files on the filesystem |
| 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 | Searches running processes potentially to identify processes for sandbox evasion |
| notice | Sends data using the HTTP POST Method |
| notice | Steals private information from local Internet browsers |
| 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 | Queries for the computername |
| info | This executable has a PDB path |
| info | Tries to locate where the browsers are installed |
Rules (15cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Client_SW_User_Data_Stealer | Client_SW_User_Data_Stealer | memory |
| warning | infoStealer_ftpClients_Zero | ftp clients info stealer | memory |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | Str_Win32_Http_API | Match Windows Http 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 |
Network (10cnts) ?
Suricata ids
ET INFO Dotted Quad Host DLL Request
ET HUNTING HTTP GET Request for freebl3.dll - Possible Infostealer Activity
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
ET MALWARE Win32/Stealc Requesting browsers Config from C2
ET MALWARE Win32/Stealc Active C2 Responding with browsers Config M1
ET MALWARE Win32/Stealc Requesting plugins Config from C2
ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
ET MALWARE Win32/Stealc Submitting System Information to C2
ET HUNTING HTTP GET Request for sqlite3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for mozglue.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for softokn3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for vcruntime140.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for freebl3.dll - Possible Infostealer Activity
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
ET MALWARE Win32/Stealc Requesting browsers Config from C2
ET MALWARE Win32/Stealc Active C2 Responding with browsers Config M1
ET MALWARE Win32/Stealc Requesting plugins Config from C2
ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
ET MALWARE Win32/Stealc Submitting System Information to C2
ET HUNTING HTTP GET Request for sqlite3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for mozglue.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for softokn3.dll - Possible Infostealer Activity
ET HUNTING HTTP GET Request for vcruntime140.dll - Possible Infostealer Activity
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