Analysis

  • max time kernel
    168s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 15:38

General

  • Target

    df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb.exe

  • Size

    40KB

  • MD5

    2050e2f3d63985320dda1f7bbeeaaf50

  • SHA1

    381fc77f6e6329879850d7b3ad15fefc18c4087a

  • SHA256

    df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

  • SHA512

    5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

  • SSDEEP

    768:7HKbQWplNtLFnC5W3kb8D3LdWjjFkGifBjiQ:mbQGlfLFnC5W3kb8bdiQ

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 55 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb.exe
    "C:\Users\Admin\AppData\Local\Temp\df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp
      2⤵
        PID:1992
      • C:\Windows\SysWOW64\rundll.exe
        C:\Windows\system32\rundll.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:984
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe C:\Windows\SysWOW64
          3⤵
            PID:908
          • C:\Windows\SysWOW64\rundll.exe
            C:\Windows\system32\rundll.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1308
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1976
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:776

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • C:\Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • C:\Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • \Windows\SysWOW64\rundll.exe

              Filesize

              40KB

              MD5

              2050e2f3d63985320dda1f7bbeeaaf50

              SHA1

              381fc77f6e6329879850d7b3ad15fefc18c4087a

              SHA256

              df2fa289b5019bcf182599ff696040e1bc87c62887877ababfe63fb53f34c1cb

              SHA512

              5ecafa13d7fea8e90b500efa7a04571d6d1650aa938c809f9e1c7a5f7f3510a9c2570e62beff79c6da1fe82d58a880e71c74d9689a548c9ac8cdf08960b79a94

            • memory/900-84-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/908-69-0x0000000074301000-0x0000000074303000-memory.dmp

              Filesize

              8KB

            • memory/984-83-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/1308-82-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/1976-60-0x000007FEFB5C1000-0x000007FEFB5C3000-memory.dmp

              Filesize

              8KB

            • memory/1976-86-0x00000000039C0000-0x00000000039D0000-memory.dmp

              Filesize

              64KB

            • memory/1992-58-0x0000000074471000-0x0000000074473000-memory.dmp

              Filesize

              8KB

            • memory/1992-57-0x0000000075571000-0x0000000075573000-memory.dmp

              Filesize

              8KB