ScreenShot
| Created | 2024.01.30 08:02 | Machine | s1_win7_x6401 |
| Filename | workforroc.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 | 6af4b8b8c8399fca6798e3f2d7df9af5 | ||
| sha256 | 84d011e18cec6190e2c79b270e9d2d575bfaa63998f50d13d3f9da147f49b799 | ||
| ssdeep | 196608:pv8GpkVa20mO8hnsSSU/sYE7m/TV38zQF5srpXh+LyDU:zythO+1SNMGcF5svH | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (27cnts)
| Level | Description |
|---|---|
| danger | Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) |
| danger | Executed a process and injected code into it |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Communicates with host for which no DNS query was performed |
| watch | Deletes a large number of files from the system indicative of ransomware |
| watch | Detects VirtualBox through the presence of a file |
| watch | Drops 110 unknown file mime types indicative of ransomware writing encrypted files back to disk |
| watch | Installs itself for autorun at Windows startup |
| watch | Network activity contains more than one unique useragent |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | An executable file was downloaded by the process installsetup9.exe |
| notice | Checks adapter addresses which can be used to detect virtual network interfaces |
| 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 | 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 |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | Uses Windows utilities for basic Windows functionality |
| 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 | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
Rules (30cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | HermeticWiper_Zero | HermeticWiper | binaries (download) |
| danger | NPKI_Zero | File included NPKI | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | NSIS_Installer | Null Soft Installer | binaries (download) |
| warning | Suspicious_Obfuscation_Script | Suspicious obfuscation script | binaries (download) |
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | 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) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| notice | anti_vm_detect | Possibly employs anti-virtualization techniques | binaries (download) |
| notice | Javascript_Blob | use blob(Binary Large Objec) javascript | binaries (download) |
| info | bmp_file_format | bmp file format | binaries (download) |
| info | CAB_file_format | CAB archive file | binaries (download) |
| info | DllRegisterServer_Zero | execute regsvr32.exe | binaries (download) |
| info | icon_file_format | icon file format | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsDLL | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | IsPE64 | (no description) | binaries (download) |
| info | JPEG_Format_Zero | JPEG Format | binaries (download) |
| info | Microsoft_Office_File_Zero | Microsoft Office File | binaries (download) |
| info | mzp_file_format | MZP(Delphi) file format | binaries (download) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | PNG_Format_Zero | PNG Format | binaries (download) |
| info | zip_file_format | ZIP file format | binaries (download) |
Network (9cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET USER_AGENTS Observed Suspicious UA (NSIS_Inetc (Mozilla))
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET USER_AGENTS Observed Suspicious UA (NSIS_Inetc (Mozilla))
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
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