ScreenShot
| Created | 2023.10.05 07:56 | Machine | s1_win7_x6403 |
| Filename | server1.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 37 detected (malicious, high confidence, Ursu, confidence, Attribute, HighConfidence, multiple detections, score, Hesv, AGEN, Boilod, PWSZbot, Generic ML PUA, Static AI, Malicious PE, ai score=80, ZemsilF, 5u0@a0UJKqk, unsafe, Probably Heur, ExeHeaderL, MSIL@AI, MSIL2, VueYWvU4pnhonDnjNsGA, susgen, GenericKD) | ||
| md5 | 4d8037262c4cfb2fee106c9ae7d36428 | ||
| sha256 | baed3d0dbb532abea5eb01c8e65d9cd4e9eb789b901e2615f68ad9c097087e68 | ||
| ssdeep | 24576:+6WQvcczg6QxKzL9ue/V4OfBMQZBFSt9fP3qSe:+6WQzzIMLPt4IMQZBsVP | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (21cnts)
| Level | Description |
|---|---|
| danger | Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually) |
| danger | Executed a process and injected code into it |
| danger | File has been identified by 37 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Communicates with host for which no DNS query was performed |
| watch | Manipulates memory of a non-child process indicative of process injection |
| 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 | Connects to a Dynamic DNS Domain |
| notice | Looks up the external IP address |
| 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 | Command line console output was observed |
| info | Queries for the computername |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
Rules (19cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win32_PWS_Loki_m_Zero | Win32 PWS Loki | memory |
| watch | schtasks_Zero | task schedule | memory |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_DNS | Communications use DNS | memory |
| notice | ScreenShot | Take ScreenShot | memory |
| 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 (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
Network (7cnts) ?
Suricata ids
ET MALWARE Common RAT Connectivity Check Observed
ET POLICY External IP Lookup ip-api.com
ET POLICY Observed DNS Query to DynDNS Domain (publicvm .com)
ET POLICY DNS Query to DynDNS Domain *.ddns .net
ET POLICY External IP Lookup ip-api.com
ET POLICY Observed DNS Query to DynDNS Domain (publicvm .com)
ET POLICY DNS Query to DynDNS Domain *.ddns .net
PE API
IAT(Import Address Table) Library
mscoree.dll
0x4ee000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x4ee000 _CorExeMain
EAT(Export Address Table) is none