Report - Install_Plugin_x64_x86.exe

AsyncRAT backdoor
ScreenShot
Created 2021.04.02 10:38 Machine s1_win7_x6402
Filename Install_Plugin_x64_x86.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
11.0
ZERO API file : malware
VT API (file) 29 detected (malicious, high confidence, GenericKDZ, YakbeexMSIL, FCXK, confidence, Eldorado, Kryptik, AAEH, PWSX, Dapato, Siggen2, Static AI, Malicious PE, InvalidSig, Wacatac, score, ZemsilF, fn2@aygePEai, ai score=85, DriverPack, GdSda)
md5 ffe3cce3479bb06607d5056e6dbca530
sha256 079e85bcaa57b334fa9b3debe99c9f0402eb01104c9fdf3811e34e17308d64f0
ssdeep 24576:tJSOSvjwUkKPw2Xlk6i0IO4oATTEjfRwB5pPuF4hO:tZyPXljIf/uI8F
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

Level Description
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
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
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 Manipulates memory of a non-child process indicative of process injection
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 One or more potentially interesting buffers were extracted
notice Terminates another process
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 (13cnts)

Level Name Description Collection
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 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 network_tcp_listen Listen for incoming communication memory
info screenshot Take screenshot binaries (upload)
info screenshot Take screenshot memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)
info win_files_operation Affect private profile memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
86.107.197.200 Unknown 86.107.197.200 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