Joe Sandbox Cloud Basic Analysis Report

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Windows Analysis Report
payment_copy2_receipt.exe

Overview

General Information

Sample Name:payment_copy2_receipt.exe
Analysis ID:756109
MD5:9b8c61ded729ca6c9d5f7fded18eef27
SHA1:37fc137e9aa09fc01820cd90c851ca3aee6be72a
SHA256:c1609447bd7a2ee528d1f2145ebc3ad9a53efee61111824d22f935e497bac31f
Tags:exeFormbook
Infos:

Detection

FormBook
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Initial sample is a PE file and has a suspicious name
Performs DNS queries to domains with low reputation
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Queues an APC in another process (thread injection)
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Yara signature match
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Contains functionality to read the clipboard data
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Contains functionality to retrieve information about pressed keystrokes
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality for read data from the clipboard

Classification

Process Tree

  • System is w10x64
  • payment_copy2_receipt.exe (PID: 6116 cmdline: C:\Users\user\Desktop\payment_copy2_receipt.exe MD5: 9B8C61DED729CA6C9D5F7FDED18EEF27)
    • fcvvthv.exe (PID: 6108 cmdline: "C:\Users\user~1\AppData\Local\Temp\fcvvthv.exe" C:\Users\user~1\AppData\Local\Temp\abggklv.q MD5: 353F7D8845E3DD77D50661A00EC7DF55)
      • conhost.exe (PID: 5180 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)