Report - Five.exe

Azorult .NET framework AsyncRAT backdoor
ScreenShot
Created 2021.04.09 11:44 Machine s1_win7_x6402
Filename Five.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
5.6
ZERO API file : malware
VT API (file) 36 detected (malicious, high confidence, GenericKD, Artemis, Unsafe, confidence, ZemsilF, fm0@a0a949k, Zbot, Eldorado, Attribute, HighConfidence, CsdiMonetize, MalwareX, CLOUD, Generic PUA DJ, UnclassifiedMalware@0, oqpqv, ai score=99, kcloud, Wacatac, score, Stkc, Behavior, HwMAcxsA)
md5 5522c390149c8b2c8619a96aa6c576a1
sha256 0ed95818ba222ec8d2ae4fdaaed1b143d9faada09c27a6c8aaecb8aa5ceb270f
ssdeep 1536:KvsDrXRwXiRFCpCivyDPWe5FpHos0qxsofPc6hy5pKIivD4kqIKZeYFLT:KvcrXR8YYGDJFeexsofpk5NIKZeYFLT
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (14cnts)

Level Description
danger File has been identified by 36 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
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
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 Queries for the computername

Rules (12cnts)

Level Name Description Collection
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check Signature Zero binaries (download)
info PE_Header_Zero PE File Signature Zero binaries (download)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info IsNET_EXE (no description) binaries (download)
info IsNET_EXE (no description) binaries (upload)
info IsPacked Entropy Check binaries (download)
info IsWindowsGUI (no description) binaries (download)
info IsWindowsGUI (no description) binaries (upload)
info Win32_Trojan_PWS_Azorult_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://greataccesstoserver.com/files/ScHost.exe DE DIGITALOCEAN-ASN 159.89.4.33 malware
http://greataccesstoserver.com/files/ScHost.exe.config DE DIGITALOCEAN-ASN 159.89.4.33 clean
digitalassets.ams3.digitaloceanspaces.com NL DIGITALOCEAN-ASN 5.101.110.225 malware
greataccesstoserver.com DE DIGITALOCEAN-ASN 159.89.4.33 malware
159.89.4.33 DE DIGITALOCEAN-ASN 159.89.4.33 malware
5.101.110.225 NL DIGITALOCEAN-ASN 5.101.110.225 malware

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