Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    24/11/2021, 15:47

General

  • Target
    145a3e1678b2367ac018f0d9e1bd9c73.dll
  • Size 416KB
  • Sample211124-s77adsdagn
  • SHA256 3563c9d1361cb4e8151a46084a33d15d2d9964e58c4df81f905ee2f9c99d082d
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\145a3e1678b2367ac018f0d9e1bd9c73.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\145a3e1678b2367ac018f0d9e1bd9c73.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\145a3e1678b2367ac018f0d9e1bd9c73.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:780
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\145a3e1678b2367ac018f0d9e1bd9c73.dll",Control_RunDLL
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:640
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\145a3e1678b2367ac018f0d9e1bd9c73.dll",Control_RunDLL
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1180

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/660-56-0x0000000074F61000-0x0000000074F63000-memory.dmp

        memory/780-59-0x0000000010001000-0x0000000010024000-memory.dmp