ScreenShot
| Created | 2021.08.18 10:59 | Machine | s1_win7_x6401 |
| Filename | formbookzx.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) | 38 detected (malicious, high confidence, GenericKD, HwMAVJ8A, Unsafe, Save, Kryptik, ali2000016, Eldorado, ACLX, Taskun, FileRepMalware, Auto, nprbk@0, PackedNET, Artemis, Static AI, Malicious PE, kcloud, Sabsik, FormBook, 3BUB15, score, AgentTesla, FCTJ, ai score=99, R002H0CHH21, GenKryptik, FIZI, ZemsilF, 7m0@aS5Rjxo, confidence, 100%, susgen) | ||
| md5 | 168d0c902497a9cbf6281aca78482cb3 | ||
| sha256 | c7779ddf9204c4f2ee97e301cfa35ed4c22222bd09299fd95f1eb999384009e0 | ||
| ssdeep | 12288:K8Dc9F3nC0Py3gAhgEJbjJEKwfj3E+P53MV7KG8V7VBDwj8wJ1Oe6+dE/La2HTH6:Uv53M5KGQ7VBDwj8W1Oed2//HQya | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (17cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| danger | File has been identified by 38 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 | 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 | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| 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 | 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 | Uses Windows APIs to generate a cryptographic key |
Rules (15cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Admin_Tool_IN_Zero | Admin Tool Sysinternals | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| 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 |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (9cnts) ?
Suricata ids
ET MALWARE FormBook CnC Checkin (GET)
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