ScreenShot
| Created | 2023.04.04 17:24 | Machine | s1_win7_x6403 |
| Filename | buildcr.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 31 detected (AIDetectNet, malicious, high confidence, Artemis, Save, confidence, 100%, ZemsilF, km0@ay6g7rdG, Attribute, HighConfidence, Kryptik, AHUA, PWSX, Bplw, Infected, moderate, score, AgentTesla, Wacatac, Sabsik, Detected, unsafe, MSIL@AI, MSIL2, QOxBPSdGyoCmOaCwxlCt, Static AI, Malicious PE, ADWG) | ||
| md5 | 33a45fcbca9c96cf4d9f456d27d87820 | ||
| sha256 | b36ef72aaa0d415d8b11c46f330258ffee9dd5030e1c7a07398c706f7c048598 | ||
| ssdeep | 3072:/RYdMvZ75FI5cq29AzvWJNXiHzrlXuUu98pU9ED7+ltVswrdmb8MyJ+8bDvLJA:L7sBXHfleUu2U9U7+ltVswBm428bDD6 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (21cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| danger | File has been identified by 31 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Deletes executed files from disk |
| 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 | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Creates a suspicious process |
| notice | Drops a binary and executes it |
| 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 |
| 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 | Command line console output was observed |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (20cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| 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 (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| 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 | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | Win32_Trojan_Gen_2_0904B0_Zero | Win32 Trojan Gen | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (0cnts) ?
| Request | CC | ASN Co | IP4 | Rule ? | ZERO ? |
|---|
Suricata ids
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