Report - 872027265.exe

AsyncRAT backdoor
ScreenShot
Created 2021.03.12 13:43 Machine s1_win7_x6401
Filename 872027265.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
14.2
ZERO API file : malware
VT API (file) 55 detected (malicious, high confidence, GenericKD, GenericRXNR, Unsafe, Small, Save, Redline, confidence, 100%, IXTR, Attribute, HighConfidence, Wacatac, Seraph, imktgp, RATX, CLOUD, dcuyp, DownloaderNET, R002C0DBK21, Static AI, Malicious PE, Score, ZemsilF, cm2@aeAT6bp, RedLineStealer, JM1SFpc2wts, ai score=83, susgen, GdSda, Azorult, HgIASPYA)
md5 f9193808726bf166c76170b5020edb00
sha256 f47e5ac82c87305aa434efd014405d72dd53266933f4f629676509897425d554
ssdeep 384:nS4OtQZx9j+JNUOmGzeBQbEfdjm7Ua3pGmBdZBsVjGOpAUu:nS4OtQZx9+uwEfoga3pBPsVjdM
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (30cnts)

Level Description
danger File has been identified by 55 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Appends a known CryptoMix ransomware file extension to files that have been encrypted
watch Attempts to access Bitcoin/ALTCoin wallets
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information about installed applications
watch Harvests credentials from local FTP client softwares
watch Harvests information related to installed instant messenger clients
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 Potentially malicious URLs were found in the process memory dump
notice Queries for potentially installed applications
notice Resolves a suspicious Top Level Domain (TLD)
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
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 One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (56cnts)

Level Name Description Collection
danger RedLine_Stealer_Zero RedLine stealer binaries (upload)
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (no description) memory
info DebuggerException__SetConsoleCtrl (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 ThreadControl__Context (no description) memory
info vmdetect Possibly employs anti-virtualization techniques memory
info win_hook Affect hook table memory
info WMI_VM_Detect Detection of Virtual Appliances through the use of WMI for use of evasion. memory
info create_com_service Create a COM server memory
info create_service Create a windows service memory
info cred_local Steal credential memory
info escalate_priv Escalade priviledges memory
info HasDebugData DebugData Check binaries (upload)
info HasOverlay Overlay Check binaries (upload)
info hijack_network Hijack network configuration memory
info inject_thread Code injection with CreateRemoteThread in a remote process memory
info IsNET_EXE (no description) binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info keylogger Run a keylogger memory
info migrate_apc APC queue tasks migration memory
info network_dga Communication using dga memory
info network_dns Communications use DNS memory
info network_dropper File downloader/dropper memory
info network_ftp Communications over FTP memory
info network_http Communications over HTTP memory
info network_p2p_win Communications over P2P network memory
info network_smtp_dotNet Communications smtp memory
info network_tcp_listen Listen for incoming communication memory
info network_tcp_socket Communications over RAW socket memory
info network_toredo Communications over Toredo network memory
info network_udp_sock Communications over UDP network memory
info screenshot Take screenshot memory
info sniff_audio Record Audio memory
info spreading_file Malware can spread east-west file memory
info spreading_share Malware can spread east-west using share drive memory
info Str_Win32_Wininet_Library Match Windows Inet API library declaration memory
info Str_Win32_Winsock2_Library Match Winsock 2 API library declaration memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)
info win_files_operation Affect private profile memory
info win_mutex Create or check mutex memory
info win_private_profile Affect private profile memory
info win_registry Affect system registries memory
info win_token Affect system token memory

Network (13cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://tallipere.xyz/ LV Sia Nano IT 94.140.115.156 clean
https://uhuua.ru/NewtonsoftJsonUtilitiesReflectionUtilscDisplayClassP RU JSC RTComm.RU 81.177.139.41 clean
https://api.ip.sb/geoip US CLOUDFLARENET 104.26.12.31 clean
WHOIS.APNIC.NET JP Linode, LLC 172.104.79.63 clean
uhuua.ru RU JSC RTComm.RU 81.177.139.41 clean
whois.iana.org US ICANN-LAX 192.0.32.59 clean
tallipere.xyz LV Sia Nano IT 94.140.115.156 clean
api.ip.sb US CLOUDFLARENET 172.67.75.172 clean
172.104.77.201 JP Linode, LLC 172.104.77.201 clean
192.0.32.59 US ICANN-LAX 192.0.32.59 clean
104.26.12.31 US CLOUDFLARENET 104.26.12.31 clean
81.177.139.41 RU JSC RTComm.RU 81.177.139.41 malware
94.140.115.156 LV Sia Nano IT 94.140.115.156 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