Report - 1604Quas.exe

AsyncRAT backdoor
ScreenShot
Created 2021.04.13 09:19 Machine s1_win7_x6402
Filename 1604Quas.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
3.8
ZERO API file : clean
VT API (file) 47 detected (malicious, high confidence, GenericKDZ, FSIM, Unsafe, Save, Bladabindi, Eldorado, Attribute, HighConfidence, RATX, njRAT, Gorgon, DownLoader33, Static AI, Malicious PE, Wacatac, Ashify, score, R333672, ZemsilF, 5u3@aaskjtb, ai score=83, StupidPInvoker, 0iKShdgdC0c, confidence, QVM03)
md5 273f5e4f66fd1e84a6aff459299a09dd
sha256 d7f5ce67641bc682bcff219de53de307d69af514ac833ccc7815620c44e17b49
ssdeep 12288:M9uczJxRZPclOltsOa/OEFLh+vMPSlnrTfFIgKhiD0/zHy:uI/lLQIyrTfqdhiD0bHy
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (9cnts)

Level Description
danger File has been identified by 47 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
notice A process attempted to delay the analysis task.
notice Allocates read-write-execute memory (usually to unpack itself)
notice The binary likely contains encrypted or compressed data indicative of a packer
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 The executable contains unknown PE section names indicative of a packer (could be a false positive)

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 (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x440000 _CorExeMain

EAT(Export Address Table) is none



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