ScreenShot
| Created | 2021.10.14 17:24 | Machine | s1_win7_x6401 |
| Filename | bloodteam.exe | ||
| Type | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 38 detected (malicious, high confidence, Zusy, Unsafe, Bsymem, adlz, ZexaF, aqW@aewLqkci, ADMO, TrojanX, Htwc, GenericRXQB, jwuiz, Wacatac, Casdet, score, R440300, ai score=80, BScope, Nitol, R002C0PJC21, Tiny) | ||
| md5 | 2d82ec0905de054cd685e6a52e2d9442 | ||
| sha256 | 82f585a45f06cd6c344d3bf8fe6081a074ac38f83015d9675a2dc4e2363f5c20 | ||
| ssdeep | 48:6e++Z+WjJaqoTiGBc798PXhMCCnyVJeYUT0KerZv8B13aLlzUR:5Z+mQqoT5qihXkyVJezCkv3aLlYR | ||
| imphash | 4bfde1223391e32fec766cd1d41fa3e7 | ||
| impfuzzy | 6:HbJqX0iIJxSBS0H5sD4sIW0oFUAliPEcn:7JqqY58xaPXn | ||
Network IP location
Signature (28cnts)
| Level | Description |
|---|---|
| danger | The process powershell.exe wrote an executable file to disk which it then attempted to execute |
| danger | File has been identified by 38 AntiVirus engines on VirusTotal as malicious |
| danger | Powershell Downloader DFSP detected |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | An executable file was downloaded by the process powershell.exe |
| watch | Creates a suspicious Powershell process |
| watch | Manipulates memory of a non-child process indicative of process injection |
| watch | Network communications indicative of a potential document or script payload download was initiated by the process powershell.exe |
| watch | One or more non-whitelisted processes were created |
| 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 | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| 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 | Poweshell is sending data to a remote host |
| notice | Resolves a suspicious Top Level Domain (TLD) |
| notice | URL downloaded by powershell script |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Command line console output was observed |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (10cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | IsPE64 | (no description) | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | PowershellDFSP | Rule for Powershell DFSP detection | scripts |
| info | PowershellDI | Extract Download/Invoke calls from powershell script | scripts |
Network (6cnts) ?
Suricata ids
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET POLICY Cryptocurrency Miner Checkin
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET POLICY Cryptocurrency Miner Checkin
PE API
IAT(Import Address Table) Library
msvcrt.dll
0x40234c strlen
0x402350 malloc
0x402354 memset
0x402358 _sleep
0x40235c __argc
0x402360 __argv
0x402364 _environ
0x402368 _XcptFilter
0x40236c __set_app_type
0x402370 _controlfp
0x402374 __getmainargs
0x402378 exit
kernel32.dll
0x402380 CreateProcessA
0x402384 CloseHandle
0x402388 SetUnhandledExceptionFilter
EAT(Export Address Table) is none
msvcrt.dll
0x40234c strlen
0x402350 malloc
0x402354 memset
0x402358 _sleep
0x40235c __argc
0x402360 __argv
0x402364 _environ
0x402368 _XcptFilter
0x40236c __set_app_type
0x402370 _controlfp
0x402374 __getmainargs
0x402378 exit
kernel32.dll
0x402380 CreateProcessA
0x402384 CloseHandle
0x402388 SetUnhandledExceptionFilter
EAT(Export Address Table) is none