Report - SY.exe

RAT email stealer Downloader Confuser .NET DNS Code injection PWS[m] Escalate priviledges persistence KeyLogger AntiDebug AntiVM PE64 PE File
ScreenShot
Created 2023.06.08 17:40 Machine s1_win7_x6401
Filename SY.exe
Type PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
9.4
ZERO API file : malware
VT API (file) 39 detected (malicious, high confidence, MSILHeracles, Artemis, Save, Attribute, HighConfidence, Kryptik, AGKT, score, RATX, Agen, Rsmw, DarkCloud, Sabsik, Detected, ai score=88, unsafe, MSIL@AI, MSIL2, 81IoHPWwrgvgWoHqoMHVqQ, Static AI, Malicious PE, susgen, confidence)
md5 1190c6a8211a23925ec5342f1b457192
sha256 be1d695a2d40d12c961f141f6837bc5b5203989ce206c2d66bb531c21c2dbe7a
ssdeep 3072:SNgBjhLw49ZxCvX3vVjAtryaRWqQM18q1p7hBqN:SmBlnDI/VjAtrZRGMv1p7hBq
imphash
impfuzzy 3::
  Network IP location

Signature (19cnts)

Level Description
danger Connects to an IP address that is 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 39 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
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 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
notice Allocates read-write-execute memory (usually to unpack itself)
notice One or more potentially interesting buffers were extracted
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 Collects information to fingerprint the system (MachineGuid
info One or more processes crashed
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info This executable has a PDB path

Rules (21cnts)

Level Name Description Collection
warning infoStealer_emailClients_Zero email clients info stealer memory
watch ConfuserEx_Zero Confuser .NET binaries (upload)
watch Network_Downloader File Downloader memory
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
notice Persistence Install itself for autorun at Windows startup 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 IsPE64 (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
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
193.42.32.191 Unknown 193.42.32.191 mailcious

Suricata ids

PE API

IAT(Import Address Table) is none

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure