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Windows Analysis Report


General Information

Sample Name:file.exe
Analysis ID:715161


CryptOne, Djvu, Raccoon Stealer v2, SmokeLoader
Range:0 - 100


Yara detected CryptOne packer
Yara detected SmokeLoader
Detected unpacking (changes PE section rights)
Snort IDS alert for network traffic
Yara detected Raccoon Stealer v2
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Yara detected Djvu Ransomware
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Machine Learning detection for sample
Injects a PE file into a foreign processes
DLL side loading technique detected
Deletes itself after installation
Creates a thread in another existing process (thread injection)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Found many strings related to Crypto-Wallets (likely being stolen)
Checks if the current machine is a virtual machine (disk enumeration)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Tries to steal Crypto Currency Wallets
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
Antivirus or Machine Learning detection for unpacked file
Contains functionality to query locales information (e.g. system language)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
JA3 SSL client fingerprint seen in connection with other malware
Downloads executable code via HTTP
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Drops files with a non-matching file extension (content does not match file extension)
Drops PE files
Tries to load missing DLLs
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Registers a DLL
PE file contains more sections than normal
Dropped file seen in connection with other malware
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Uses 32bit PE files
Yara signature match
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Found potential string decryption / allocating functions
Contains functionality to call native functions
Contains functionality to read the clipboard data
Found dropped PE file which has not been started or loaded
Contains functionality to record screenshots
PE file contains executable resources (Code or Archives)
IP address seen in connection with other malware
Creates a DirectInput object (often for capturing keystrokes)
Is looking for software installed on the system


  • System is w10x64
  • file.exe (PID: 5572 cmdline: C:\Users\user\Desktop\file.exe MD5: 417429FD2A6EFC7F87C32696C8545146)
    • explorer.exe (PID: 3320 cmdline: C:\Windows\Explorer.EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D)
      • regsvr32.exe (PID: 5152 cmdline: regsvr32 /s C:\Users\user~1\AppData\Local\Temp\FED8.dll MD5: D78B75FC68247E8A63ACBA846182740E)
        • regsvr32.exe (PID: 1196 cmdline: /s C:\Users\user~1\AppData\Local\Temp\FED8.dll MD5: 426E7499F6A7346F0410DEAD0805586B)
      • 253.exe (PID: 1692 cmdline: C:\Users\user~1\AppData\Local\Temp\253.exe MD5: D8A18175CDDDF3915358213914DC8EB9)
        • 253.exe (PID: 4188 cmdline: C:\Users\user~1\AppData\Local\Temp\253.exe MD5: D8A18175CDDDF3915358213914DC8EB9)
      • 959.exe (PID: 416 cmdline: C:\Users\user~1\AppData\Local\Temp\959.exe MD5: 130142D90FF770C5628ABCC833585D0B)
        • conhost.exe (PID: 1156 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
        • AppLaunch.exe (PID: 100968 cmdline: C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe MD5: 6807F903AC06FF7E1670181378690B22)
      • explorer.exe (PID: 1364 cmdline: C:\Windows\SysWOW64\explorer.exe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7)
      • explorer.exe (PID: 4540 cmdline: C:\Windows\explorer.exe MD5: AD5296B280E8F522A8A897C96BAB0E1D)
  • sfrvjvv (PID: 5148 cmdline: C:\Users\user\AppData\Roaming\sfrvjvv MD5: 417429FD2A6EFC7F87C32696C8545146)
  • cleanup
{"Download URLs": ["http://rgyui.top/dl/build2.exe", "http://winnlinne.com/files/1/build3.exe"], "C2 url": "http://winnlinne.com/lancer/get.php", "Ransom note file": "_readme.txt", "Ransom note": "ATTENTION!\r\n\r\nDon't worry, you can return all your files!\r\nAll your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.\r\nThe only method of recovering files is to purchase decrypt tool and unique key for you.\r\nThis software will decrypt all your encrypted files.\r\nWhat guarantees you have?\r\nYou can send one of your encrypted file from your PC and we decrypt it for free.\r\nBut we can decrypt only 1 file for free. File must not contain valuable information.\r\nYou can get and look video overview decrypt tool:\r\nhttps://we.tl/t-g28rVcqA58\r\nPrice of private key and decrypt software is $980.\r\nDiscount 50% available if you contact us first 72 hours, that's price for you is $490.\r\nPlease note that you'll never restore your data without payment.\r\nCheck your e-mail \"Spam\" or \"Junk\" folder if you don't get answer more than 6 hours.\r\n\r\n\r\nTo get this software you need write on our e-mail:\r\nsupport@bestyourmail.ch\r\n\r\nReserve e-mail address to contact us:\r\ndatarestorehelp@airmail.cc\r\n\r\nYour personal ID:\r\n0573Jhyjd", "Ignore Files": ["ntuser.dat", "ntuser.dat.LOG1", "ntuser.dat.LOG2", "ntuser.pol", ".sys", ".ini", ".DLL", ".dll", ".blf", ".bat", ".lnk", ".regtrans-ms", "C:\\SystemID\\", "C:\\Users\\Default User\\", "C:\\Users\\Public\\", "C:\\Users\\All Users\\", "C:\\Users\\Default\\", "C:\\Documents and Settings\\", "C:\\ProgramData\\", "C:\\Recovery\\", "C:\\System Volume Information\\", "C:\\Users\\%username%\\AppData\\Roaming\\", "C:\\Users\\%username%\\AppData\\Local\\", "C:\\Windows\\", "C:\\PerfLogs\\", "C:\\ProgramData\\Microsoft\\", "C:\\ProgramData\\Package Cache\\", "C:\\Users\\Public\\", "C:\\$Recycle.Bin\\", "C:\\$WINDOWS.~BT\\", "C:\\dell\\", "C:\\Intel\\", "C:\\MSOCache\\", "C:\\Program Files\\", "C:\\Program Files (x86)\\", "C:\\Games\\", "C:\\Windows.old\\", "D:\\Users\\%username%\\AppData\\Roaming\\", "D:\\Users\\%username%\\AppData\\Local\\", "D:\\Windows\\", "D:\\PerfLogs\\", "D:\\ProgramData\\Desktop\\", "D:\\ProgramData\\Microsoft\\", "D:\\ProgramData\\Package Cache\\", "D:\\Users\\Public\\", "D:\\$Recycle.Bin\\", "D:\\$WINDOWS.~BT\\", "D:\\dell\\", "D:\\Intel\\", "D:\\MSOCache\\", "D:\\Program Files\\", "D:\\Program Files (x86)\\", "D:\\Games\\", "E:\\Users\\%username%\\AppData\\Roaming\\", "E:\\Users\\%username%\\AppData\\Local\\", "E:\\Windows\\", "E:\\PerfLogs\\", "E:\\ProgramData\\Desktop\\", "E:\\ProgramData\\Microsoft\\", "E:\\ProgramData\\Package Cache\\", "E:\\Users\\Public\\", "E:\\$Recycle.Bin\\", "E:\\$WINDOWS.~BT\\", "E:\\dell\\", "E:\\Intel\\", "E:\\MSOCache\\", "E:\\Program Files\\", "E:\\Program Files (x86)\\", "E:\\Games\\", "F:\\Users\\%username%\\AppData\\Roaming\\", "F:\\Users\\%username%\\AppData\\Local\\", "F:\\Windows\\", "F:\\PerfLogs\\", "F:\\ProgramData\\Desktop\\", "F:\\ProgramData\\Microsoft\\", "F:\\Users\\Public\\", "F:\\$Recycle.Bin\\", "F:\\$WINDOWS.~BT\\", "F:\\dell\\", "F:\\Intel\\"], "Public Key": "-----BEGIN PUBLIC KEY-----\\\\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtQoAmpi16WBNLAsbM3KI\\\\nO+PkvI2IR1U+JzIBLW5Ml6a7q58ILlZ5L+9qAc1dtCihpgyKnUqJL6uO0H8mALas\\\\nyxmD9rZ11k5DoS+yP1i1XxdzjJcnrbI4hmrR7ofspdLmFKx4Ke9QpQd+zfzp9uem\\\\nuI\\/YqGMA633LF3anUpVnEKFygPgieEmOXlTL59qDin\\/wNyDqS840OSZQVdFpMlnu\\\\n+lIjoIEB\\/osN9ggFIy583f36OrZBY2OtfWJS11kMoNw0D+D+tNpH7WhysmFYrbIp\\\\nVHJYg1YyTUdloKBvDEycmKUeDYPqXxpA4yCEjzvEKh8iNRXvFPOJqex4BALorRLs\\\\ndQIDAQAB\\\\n-----END PUBLIC KEY-----"}
{"C2 url": [""], "Bot ID": "1a17d9aed7a239440deb75d7a177f406", "RC4_key1": "1a17d9aed7a239440deb75d7a177f406"}
{"C2 list": ["http://hulimudulinu.net/", "http://stalnnuytyt.org/", "http://gulutina49org.org/", "http://furubujjul.net/", "http://starvestitibo.org/", "http://liubertiyyyul.net/", "http://bururutu44org.org/", "http://youyouumenia5.org/", "http://nvulukuluir.net/", "http://nuluitnulo.me/", "http://guluiiiimnstra.net/"]}
dump.pcapJoeSecurity_RaccoonV2Yara detected Raccoon Stealer v2Joe Security
    • 0x52e6:$a: 55 8B EC 8B 45 14 56 57 8B 7D 08 33 F6 89 47 0C 39 75 10 76 15 8B
    0000000F.00000002.427521225.000000000076E000.00000004.00000010.00020000.00000000.sdmpJoeSecurity_RaccoonV2Yara detected Raccoon Stealer v2Joe Security
      0000000B.00000002.472600397.0000000000640000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_SmokeLoader_2Yara detected SmokeLoaderJoe Security
        • 0x7d4:$a: 5B 81 EB 34 10 00 00 6A 30 58 64 8B 00 8B 40 0C 8B 40 1C 8B 40 08 89 85 C0
        00000000.00000002.327538196.00000000005F0000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_SmokeLoader_2Yara detected SmokeLoaderJoe Security