Report - svch.exe

AsyncRAT backdoor
ScreenShot
Created 2021.04.10 09:06 Machine s1_win7_x6402
Filename svch.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
2.8
ZERO API file : clean
VT API (file) 13 detected (malicious, high confidence, Save, ZemsilF, fm1@aOSk1ali, Kryptik, Eldorado, Androm, CLASSIC, Static AI, Malicious PE, AgentTesla, score, Unsafe)
md5 c96efe5ab9833bc808ad042ed44f4db4
sha256 671d78fc9cd97baa9a4fd89f6177ef6972640d9b101b24af51d93c87e800919d
ssdeep 768:wHCgaY3rbvE4FxRncmuQWK8Gfl7WtrOrHrVrZryrFrkr/r2r0rarRr+rmrArIY9F:wH5asrbM4/hoQWONT
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (8cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch File has been identified by 13 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
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 (6cnts)

Level Name Description Collection
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info HasOverlay Overlay Check binaries (upload)
info IsNET_EXE (no description) binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://192.168.56.103:2869/upnphost/udhisapi.dll?content=uuid:d96d86f3-ac35-41f2-9523-f4e50073f2f3 Unknown 192.168.56.103 clean
http://192.168.56.103:5357/da8ea474-550f-433d-b444-54d2081d1d24/ Unknown 192.168.56.103 clean
bubuyaya.ml Unknown clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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