ScreenShot
| Created | 2023.07.20 17:29 | Machine | s1_win7_x6401 |
| Filename | arc.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | |||
| VT API (file) | 36 detected (MSILHeracles, Gozi, Vdq0, GenKryptik, malicious, ABRisk, EQZT, Attribute, HighConfidence, Kryptik, AJGE, R002H0DGJ23, DropperX, Ursnif, wizix, Artemis, moderate, score, Static AI, Malicious PE, Detected, 1NX9WQ, Chgt, CLOUD, ai score=88, Strab, confidence, 100%) | ||
| md5 | 7f4e427936de0eecd46ce643bf5c0d36 | ||
| sha256 | d66f5288a48f0e4e35601236c1521ac742420c3e127b11aa190fc54b7ad85ad5 | ||
| ssdeep | 24576:Lqy2xGQm4hQgFyf6eQoez4SBylteu8Kd6mNIlQtZT2/jvemgB4toFv0lk4HcWNCI:NMy8Kd6mOatZT2/jJ0wovQfHcWNCI | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (25cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| danger | File has been identified by 36 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 | Communicates with host for which no DNS query was performed |
| watch | Disables proxy possibly for traffic interception |
| watch | Looks for the Windows Idle Time to determine the uptime |
| watch | One or more of the buffers contains an embedded PE file |
| 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 | 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 | 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 | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (18cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | 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 (upload) |
| 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 |
Network (16cnts) ?
Suricata ids
ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)
ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)
ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)
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