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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Amadey, Mars Stealer, Stealc, Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Amadeys stealer DLL
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
AV process strings found (often used to terminate AV products)
Checks for debuggers (devices)
Checks if the current process is being debugged
Contains capabilities to detect virtual machines
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Creates job files (autostart)
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
PE file contains sections with non-standard names
Queries information about the installed CPU (vendor, model number etc)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Classification
- System is w10x64
- file.exe (PID: 4368 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 05DDA1C444FE4FEDA4771F75598D55D7) - cmd.exe (PID: 5792 cmdline:
"C:\Window s\system32 \cmd.exe" /c start " " "C:\User s\user\App Data\Local \Temp\BAFI EGIECG.exe " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 5776 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - BAFIEGIECG.exe (PID: 5564 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\BAFIEG IECG.exe" MD5: 4E12569D3C3E421F624FD7560AC127A2) - explorti.exe (PID: 1780 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\ad4097 1b6b\explo rti.exe" MD5: 4E12569D3C3E421F624FD7560AC127A2) - cmd.exe (PID: 6416 cmdline:
"C:\Window s\system32 \cmd.exe" /c start " " "C:\User s\user\App Data\Local \Temp\GDHI IIIEHC.exe " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 1548 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- explorti.exe (PID: 6048 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\ad40971 b6b\explor ti.exe MD5: 4E12569D3C3E421F624FD7560AC127A2)
- explorti.exe (PID: 4616 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\ad40971 b6b\explor ti.exe MD5: 4E12569D3C3E421F624FD7560AC127A2) - 7873c16243.exe (PID: 6984 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\100000 6001\7873c 16243.exe" MD5: 05DDA1C444FE4FEDA4771F75598D55D7)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Amadey | Amadey is a botnet that appeared around October 2018 and is being sold for about $500 on Russian-speaking hacking forums. It periodically sends information about the system and installed AV software to its C2 server and polls to receive orders from it. Its main functionality is that it can load other payloads (called "tasks") for all or specifically targeted computers compromised by the malware. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Stealc | Stealc is an information stealer advertised by its presumed developer Plymouth on Russian-speaking underground forums and sold as a Malware-as-a-Service since January 9, 2023. According to Plymouth's statement, stealc is a non-resident stealer with flexible data collection settings and its development is relied on other prominent stealers: Vidar, Raccoon, Mars and Redline.Stealc is written in C and uses WinAPI functions. It mainly targets date from web browsers, extensions and Desktop application of cryptocurrency wallets, and from other applications (messengers, email clients, etc.). The malware downloads 7 legitimate third-party DLLs to collect sensitive data from web browsers, including sqlite3.dll, nss3.dll, vcruntime140.dll, mozglue.dll, freebl3.dll, softokn3.dll and msvcp140.dll. It then exfiltrates the collected information file by file to its C2 server using HTTP POST requests. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Vidar | Vidar is a forked malware based on Arkei. It seems this stealer is one of the first that is grabbing information on 2FA Software and Tor Browser. | No Attribution |
{"C2 url": "http://85.28.47.4/920475a59bac849d.php"}
{"C2 url": "http://85.28.47.4/920475a59bac849d.php"}
{"C2 url": ["http://77.91.77.82/Hun4Ko/index.php"]}
Source | Rule | Description | Author | Strings |
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JoeSecurity_Stealc_1 | Yara detected Stealc | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
Click to see the 13 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
Click to see the 3 entries |
⊘No Sigma rule has matched
Timestamp: | 07/03/24-18:08:01.724903 |
SID: | 2044246 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 07/03/24-18:08:01.906328 |
SID: | 2051831 |
Source Port: | 80 |
Destination Port: | 49710 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 07/03/24-18:08:01.688434 |
SID: | 2051828 |
Source Port: | 80 |
Destination Port: | 49710 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 07/03/24-18:08:00.820248 |
SID: | 2044243 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 07/03/24-18:08:01.507830 |
SID: | 2044244 |
Source Port: | 49710 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Code function: | 0_2_6C9C6C80 |
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Source: | File opened: | Jump to behavior | ||
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Networking |
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