Report - C3.exe

Redline RedLine stealer Emotet Generic Malware .NET framework(MSIL) Admin Tool (Sysinternals etc ...) UPX WinRAR Malicious Library Antivirus PWS AntiDebug AntiVM BitCoin .NET EXE PE File PE32 ZIP Format OS Processor Check DLL
ScreenShot
Created 2023.08.07 09:24 Machine s1_win7_x6401
Filename C3.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
20.2
ZERO API file : malware
VT API (file) 55 detected (Common, GenericKDZ, Save, malicious, ABRisk, RROF, Attribute, HighConfidence, high confidence, Kryptik, AJFF, score, PWSX, Gencirc, mloga, PackedNET, REDLINE, YXDGUZ, Artemis, Static AI, Suspicious PE, Wacatac, Detected, ai score=86, unsafe, GdSda, MSIL@AI, MSIL2, XSFL8eQxbfdSKjvr4Ov3Dw, Snake, susgen, AJEU, confidence, 100%)
md5 113206f6a06da35df94d8cd455b3091c
sha256 d75142e16f20c436796b90c42e46afc3d25bb4003c60a264e437643b7fbc757d
ssdeep 24576:AZaQK/ogj7m50yVuUO0bnNs02t0DVUOb:Qaj/ogj7m50yIUO0bnNs02+D+Ob
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (43cnts)

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 A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to identify installed AV products by installation directory
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 Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Creates a suspicious Powershell process
watch Deletes a large number of files from the system indicative of ransomware
watch Harvests credentials from local FTP client softwares
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 The process powershell.exe wrote an executable file to disk
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 Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
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 Creates a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
notice Executes one or more WMI queries which can be used to identify virtual machines
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 Steals private information from local Internet browsers
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 Command line console output was observed
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 (28cnts)

Level Name Description Collection
danger RedLine_Stealer_m_Zero RedLine stealer memory
danger Win32_Trojan_Emotet_2_Zero Win32 Trojan Emotet binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch UPX_Zero UPX packed file binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
watch Win32_WinRAR_SFX_Zero Win32 WinRAR SFX binaries (download)
notice Generic_PWS_Memory_Zero PWS Memory 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 Virtual_currency_Zero Virtual currency memory
info zip_file_format ZIP file format binaries (download)

Network (12cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://94.131.105.161:57661/ratt.exe UA Netassist Limited 94.131.105.161 mailcious
http://94.131.105.161:1337/ UA Netassist Limited 94.131.105.161 35603 mailcious
https://api.ip.sb/geoip US CLOUDFLARENET 172.67.75.172 clean
myip.opendns.com Unknown clean
api.ip.sb US CLOUDFLARENET 172.67.75.172 clean
resolver1.opendns.com US OPENDNS 208.67.222.222 clean
yello9erylanguage.gromovananii199.repl.co US GOOGLE 35.186.245.55 mailcious
194.59.218.160 US CMCS 194.59.218.160 clean
172.67.75.172 US CLOUDFLARENET 172.67.75.172 mailcious
208.67.222.222 US OPENDNS 208.67.222.222 clean
94.131.105.161 UA Netassist Limited 94.131.105.161 mailcious
35.186.245.55 US GOOGLE 35.186.245.55 phishing

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