Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    03-06-2022 04:41

General

  • Target

    13dfaa0581c1c89dde1f8335b58a766bf4fb7425c9a8f863e6ef11e1785c299d.docm

  • Size

    83KB

  • MD5

    809bd1fb131542f384d23442b7655693

  • SHA1

    b177f312231218fc98734d168d9fa242fffe2c9b

  • SHA256

    13dfaa0581c1c89dde1f8335b58a766bf4fb7425c9a8f863e6ef11e1785c299d

  • SHA512

    46b179d0085387924801f8f7e6dede9ba51b6c3377d93b74bcb483675e0c9f23f2668dd99f80d7b69f5324ea4968de1c9d86ae678ffa231b78ff328b38ec921a

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_http

C2

http://165.22.98.128:1123/1YPtJmGLMwIg8iHzfQcrhw02H1QR60AJRBxn_HQe1mbt8CU5iTyqdtvUdThyIbXUFXPYBsieg-AKGb5gjzTxsjlB4pkVxFxNVc6dIkzzeyIElqNmIPrYHqZGu47nu6Rq6tf1NquEd868SjRW8zUuThVVU8tQ4iG-GZcaIhBjUOwKo-V0q3z47Z5EYOHEnWMYxjHGOcOLSHylPE4O_E0Bi1DAy

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\13dfaa0581c1c89dde1f8335b58a766bf4fb7425c9a8f863e6ef11e1785c299d.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Local\Temp\rad7D838.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\rad7D838.tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:2036
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1924

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\rad7D838.tmp.exe
      Filesize

      72KB

      MD5

      b615e4a09814f631503304c97dfec233

      SHA1

      27852f4cf4a6f34e32d97e917d028948902c5625

      SHA256

      51e7b89eb3fde57ba53816297fe2cf08ffdd7ac508b9025146763adb2b5e2580

      SHA512

      e8a510bae716db445c702c7509e0c3dd8593404850b47f5fa24feb1256b8b0dbb561edd51df20141b8032c024f18882d8b6655c56b7f38c66beb8d2a6a57736e

    • \Users\Admin\AppData\Local\Temp\rad7D838.tmp.exe
      Filesize

      72KB

      MD5

      b615e4a09814f631503304c97dfec233

      SHA1

      27852f4cf4a6f34e32d97e917d028948902c5625

      SHA256

      51e7b89eb3fde57ba53816297fe2cf08ffdd7ac508b9025146763adb2b5e2580

      SHA512

      e8a510bae716db445c702c7509e0c3dd8593404850b47f5fa24feb1256b8b0dbb561edd51df20141b8032c024f18882d8b6655c56b7f38c66beb8d2a6a57736e

    • \Users\Admin\AppData\Local\Temp\rad7D838.tmp.exe
      Filesize

      72KB

      MD5

      b615e4a09814f631503304c97dfec233

      SHA1

      27852f4cf4a6f34e32d97e917d028948902c5625

      SHA256

      51e7b89eb3fde57ba53816297fe2cf08ffdd7ac508b9025146763adb2b5e2580

      SHA512

      e8a510bae716db445c702c7509e0c3dd8593404850b47f5fa24feb1256b8b0dbb561edd51df20141b8032c024f18882d8b6655c56b7f38c66beb8d2a6a57736e

    • memory/800-57-0x0000000076561000-0x0000000076563000-memory.dmp
      Filesize

      8KB

    • memory/800-58-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/800-54-0x0000000072BA1000-0x0000000072BA4000-memory.dmp
      Filesize

      12KB

    • memory/800-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/800-55-0x0000000070621000-0x0000000070623000-memory.dmp
      Filesize

      8KB

    • memory/800-64-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/800-67-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/800-68-0x000000007160D000-0x0000000071618000-memory.dmp
      Filesize

      44KB

    • memory/1924-65-0x0000000000000000-mapping.dmp
    • memory/1924-66-0x000007FEFC0B1000-0x000007FEFC0B3000-memory.dmp
      Filesize

      8KB

    • memory/2036-61-0x0000000000000000-mapping.dmp