Report - z7ggs.exe

AsyncRAT backdoor PWS .NET framework Gen1 Gen2 Http API Steal credential ScreenShot AntiDebug AntiVM PE File .NET EXE PE32 DLL OS Processor Check
ScreenShot
Created 2021.06.18 09:07 Machine s1_win7_x6401
Filename z7ggs.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
13.6
ZERO API file : malware
VT API (file) 46 detected (GenericKD, Trojanpws, GenericRXOV, Unsafe, GenKryptik, Racealer, malicious, confidence, 100%, TrojanPSW, Kryptik, Eldorado, Attribute, HighConfidence, FGJS, DangerousSig, Malware@#swq82oydxy31, tcpow, R057C0WFC21, bqqj, ai score=81, PSWTroj, kcloud, Tnega, TScope, RaccoonStealer, ZRoICzpCf3Y, Raccoon, Behavior, susgen, GdSda)
md5 6b7554c5f2b7a246639156524fb86a78
sha256 ecf14e5b521fd83697915fe02ab94585de651c21917d9f949d3c13b3beecac20
ssdeep 24576:MAWfOZiCn4Y1xYwCJCa1mAJJYZFfjxbz3FojP:MAWfOZnn4Qx2CLgSZFfjS
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (30cnts)

Level Description
danger File has been identified by 46 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 Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Deletes executed files from disk
watch Harvests credentials from local email clients
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 A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Creates executable files on the filesystem
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
notice Queries for potentially installed applications
notice Sends data using the HTTP POST Method
notice Uses Windows utilities for basic Windows functionality
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 Collects information to fingerprint the system (MachineGuid
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 (25cnts)

Level Name Description Collection
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice local_credential_Steal Steal credential memory
notice ScreenShot Take ScreenShot memory
notice Str_Win32_Http_API Match Windows Http API call memory
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 Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win32_Trojan_Gen_2_0904B0_Zero Win32 Trojan Gen binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://34.76.8.115//l/f/W2VtHHoBuI_ccNKoibAG/e077b412e4e9b04043dfc595bae6abb1966ac987 US GOOGLE 34.76.8.115 clean
http://34.76.8.115//l/f/W2VtHHoBuI_ccNKoibAG/a4bf8575ff58234bbfb45ede44543896e556da37 US GOOGLE 34.76.8.115 clean
http://34.76.8.115/ US GOOGLE 34.76.8.115 clean
https://tttttt.me/hellobroprocreate FI Hetzner Online GmbH 95.216.186.40 clean
tttttt.me FI Hetzner Online GmbH 95.216.186.40 mailcious
95.216.186.40 FI Hetzner Online GmbH 95.216.186.40 mailcious
34.76.8.115 US GOOGLE 34.76.8.115 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