Report - sample.exe

Azorult .NET framework AsyncRAT backdoor
ScreenShot
Created 2021.04.07 13:17 Machine s1_win7_x3201
Filename sample.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
12.4
ZERO API file : malware
VT API (file) 53 detected (malicious, high confidence, GenericKD, Kryptik, FCSO, Unsafe, TrojanPSW, confidence, PHFF, Attribute, HighConfidence, MalwareX, Agensla, ipitiq, Gencirc, Malware@#19dap3tcldldr, Siggen2, MALREP, THCOGBA, Static AI, Malicious PE, AGEN, ai score=99, PSWTroj, kcloud, score, ZemsilF, 4m0@a4inFSoi, RedLine, TScope, CLOUD, MPLiEgM76KM, GdSda, HgIASQUA)
md5 7f8a15aca0965d3ef7f5e36245ee20fa
sha256 4fc6b82cb39e7ba08b5c9d519bf11111e76d3313f0e2bd93c3b67d15b155c2e7
ssdeep 24576:ptqmRTTqKdijAEoZHeMg1cHZq9rgAuvJ:ptAwxZzCSZMrL
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (23cnts)

Level Description
danger File has been identified by 53 AntiVirus engines on VirusTotal as malicious
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
watch A process attempted to delay the analysis task.
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 Looks for the Windows Idle Time to determine the uptime
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
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 adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
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
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 Uses Windows APIs to generate a cryptographic key

Rules (18cnts)

Level Name Description Collection
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 IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info SEH__vectored (no description) memory
info vmdetect Possibly employs anti-virtualization techniques memory
info WMI_VM_Detect Detection of Virtual Appliances through the use of WMI for use of evasion. memory
info IsNET_EXE (no description) binaries (upload)
info IsPacked Entropy Check binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info network_tcp_listen Listen for incoming communication memory
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)
info win_files_operation Affect private profile memory

Network (7cnts) ?

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
http://192.168.56.103:2869/upnphost/udhisapi.dll?content=uuid:2d284ad3-5648-4376-8360-b0559e35418f Unknown 192.168.56.103 clean
https://www.bing.com/ US MICROSOFT-CORP-MSN-AS-BLOCK 204.79.197.200 clean
www.google.com US GOOGLE 172.217.161.36 clean
159.69.119.114 DE Hetzner Online GmbH 159.69.119.114 mailcious
142.250.66.100 US GOOGLE 142.250.66.100 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