ScreenShot
| Created | 2024.08.11 14:50 | Machine | s1_win7_x6403 |
| Filename | 66b382f122c02_stk.exe | ||
| Type | MS-DOS executable, MZ for MS-DOS | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 43 detected (AIDetectMalware, GenericCryptor, m5oU, malicious, high confidence, score, GenericKD, Unsafe, Save, ShadowBrokersC, Attribute, HighConfidence, a variant of Generik, GPBUSP, RisePro, YzY0Om1k7nEo0OPn, MulDrop28, PRIVATELOADER, YXEHGZ, Real Protect, high, Static AI, Suspicious PE, Detected, ai score=88, Convagent, Wacatac, ZexaF, @pqaaSAl2rni, Krypt, Chgt, QQPass, QQRob, Rsmw, gIbsCTjq974, PossibleThreat, confidence) | ||
| md5 | f2908c73543719738bea99c02fdafe00 | ||
| sha256 | be9862ad765af7e71a322549640747a6952c4e8bc18b6568c4781df33f0bbfd6 | ||
| ssdeep | 196608:HSpxdHp8lQbLfamxV06mpg2fsT0A0F+kuwN9:4HamxVBmpdfsT0q4 | ||
| imphash | add63f909d344437ae54d223c75de68e | ||
| impfuzzy | 3:sUx2AEZsS9KTXzrXTiEJSbW6LlrwKWbsSOT1n:nERGDviEMbXwNbsSOT1n | ||
Network IP location
Signature (29cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 43 AntiVirus engines on VirusTotal as malicious |
| watch | Checks for the presence of known windows from debuggers and forensic tools |
| watch | Checks the version of Bios |
| watch | Communicates with host for which no DNS query was performed |
| watch | Creates an executable file in a user folder |
| watch | Deletes executed files from disk |
| watch | Detects Virtual Machines through their custom firmware |
| watch | Detects VirtualBox through the presence of a registry key |
| watch | Detects VMWare through the in instruction feature |
| watch | Drops a binary and executes it |
| watch | Installs itself for autorun at Windows startup |
| watch | Uses Sysinternals tools in order to add additional command line functionality |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| notice | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | Drops an executable to the user AppData folder |
| notice | Expresses interest in specific running processes |
| notice | Moves the original executable to a new location |
| notice | One or more potentially interesting buffers were extracted |
| 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 | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
Rules (12cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | MPRESS_Zero | MPRESS packed file | binaries (download) |
| watch | MPRESS_Zero | MPRESS packed file | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| info | IsPE32 | (no description) | binaries (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | lnk_file_format | Microsoft Windows Shortcut File Format | binaries (download) |
| info | Lnk_Format_Zero | LNK 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) |
PE API
IAT(Import Address Table) Library
KERNEL32.DLL
0x1768078 GetModuleHandleA
0x176807c GetProcAddress
ADVAPI32.dll
0x1768084 GetUserNameA
SHELL32.dll
0x176808c ShellExecuteA
ole32.dll
0x1768094 CoCreateInstance
WS2_32.dll
0x176809c send
EAT(Export Address Table) is none
KERNEL32.DLL
0x1768078 GetModuleHandleA
0x176807c GetProcAddress
ADVAPI32.dll
0x1768084 GetUserNameA
SHELL32.dll
0x176808c ShellExecuteA
ole32.dll
0x1768094 CoCreateInstance
WS2_32.dll
0x176809c send
EAT(Export Address Table) is none