Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:20

General

  • Target

    6bed7ef049d8d9728a09a94488ac8670c9c20c0e6c294f80fd2153c37a2bead7.docm

  • Size

    83KB

  • MD5

    b3cd1fbbfa7e1fcf124ebb986db5925b

  • SHA1

    90ef51a3601f6c4fc4a588e4f911c0dcc0b7df83

  • SHA256

    6bed7ef049d8d9728a09a94488ac8670c9c20c0e6c294f80fd2153c37a2bead7

  • SHA512

    084ea2e44662bacea593479e7289102569b721df327e49a10ee42495197f10bf3b0b8a8cd033b2d9b1c435ce76f92308d65152d2d2baf3902ff5578c56a84323

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

192.168.1.47:4444

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\6bed7ef049d8d9728a09a94488ac8670c9c20c0e6c294f80fd2153c37a2bead7.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:948
    • C:\Users\Admin\AppData\Local\Temp\rad49EB0.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\rad49EB0.tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:1732
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:428

    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\rad49EB0.tmp.exe
      Filesize

      72KB

      MD5

      a2dd0d59f4f6e65aa10a118631a90182

      SHA1

      af2e14aa2827265fb2bf96d3ea1eb40b314706fc

      SHA256

      5d8fe64ff6c4ea4d55aec497140578f3b98072c07bda4eacd6ad816f76ad40b4

      SHA512

      298d7149e3eb178ab21bd30aa3126a2c8480cdcb0f829273e0fbc1c97892c34e905eb8da57f83bed22bfb0e8484aff3f6921858f781a1dbb9fe4191839be66e7

    • \Users\Admin\AppData\Local\Temp\rad49EB0.tmp.exe
      Filesize

      72KB

      MD5

      a2dd0d59f4f6e65aa10a118631a90182

      SHA1

      af2e14aa2827265fb2bf96d3ea1eb40b314706fc

      SHA256

      5d8fe64ff6c4ea4d55aec497140578f3b98072c07bda4eacd6ad816f76ad40b4

      SHA512

      298d7149e3eb178ab21bd30aa3126a2c8480cdcb0f829273e0fbc1c97892c34e905eb8da57f83bed22bfb0e8484aff3f6921858f781a1dbb9fe4191839be66e7

    • \Users\Admin\AppData\Local\Temp\rad49EB0.tmp.exe
      Filesize

      72KB

      MD5

      a2dd0d59f4f6e65aa10a118631a90182

      SHA1

      af2e14aa2827265fb2bf96d3ea1eb40b314706fc

      SHA256

      5d8fe64ff6c4ea4d55aec497140578f3b98072c07bda4eacd6ad816f76ad40b4

      SHA512

      298d7149e3eb178ab21bd30aa3126a2c8480cdcb0f829273e0fbc1c97892c34e905eb8da57f83bed22bfb0e8484aff3f6921858f781a1dbb9fe4191839be66e7

    • memory/428-65-0x000007FEFB971000-0x000007FEFB973000-memory.dmp
      Filesize

      8KB

    • memory/428-64-0x0000000000000000-mapping.dmp
    • memory/948-63-0x0000000070FAD000-0x0000000070FB8000-memory.dmp
      Filesize

      44KB

    • memory/948-58-0x0000000074F21000-0x0000000074F23000-memory.dmp
      Filesize

      8KB

    • memory/948-57-0x0000000070FAD000-0x0000000070FB8000-memory.dmp
      Filesize

      44KB

    • memory/948-54-0x0000000072541000-0x0000000072544000-memory.dmp
      Filesize

      12KB

    • memory/948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/948-55-0x000000006FFC1000-0x000000006FFC3000-memory.dmp
      Filesize

      8KB

    • memory/948-66-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/948-67-0x0000000070FAD000-0x0000000070FB8000-memory.dmp
      Filesize

      44KB

    • memory/1732-61-0x0000000000000000-mapping.dmp