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Analysis

  • max time kernel
    106s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 15:06

General

  • Target

    2109388376.rtf

  • Size

    26KB

  • MD5

    7df6cda822841a665f8afdef92abb86c

  • SHA1

    81d0af082f7b1823caf1ccb6a07de12e7b913168

  • SHA256

    a276c13457eb394b2e159aa3d69c53ce3b7a70b4b4f5b40d4ac8677eb156713b

  • SHA512

    e429a419d38b20d8f61aa974cb8039930f0d36b0f2526873ebda08bb89669660edf349d5bb7a905dfd5ffa6cd1db731f6a1da9d2d32ca0a8f02a70eb182fefa8

  • SSDEEP

    768:aFx0XaIsnPRIa4fwJMNPNJXaWgOMB1MStK:af0Xvx3EMtqWgOq1MStK

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 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\2109388376.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:276
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:1508
      • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
        "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
          "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
          3⤵
          • Executes dropped EXE
          PID:1832
        • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
          "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
          3⤵
          • Executes dropped EXE
          PID:1032
        • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
          "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
          3⤵
          • Executes dropped EXE
          PID:1564
        • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
          "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
          3⤵
          • Executes dropped EXE
          PID:2024
        • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe
          "C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe"
          3⤵
          • Executes dropped EXE
          PID:1064

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • C:\Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • \Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • \Users\Admin\AppData\Roaming\linksports672fnj54782.exe

      Filesize

      841KB

      MD5

      b14d7ca8a48bade83059b702bca3a395

      SHA1

      94c5de5884c371ad80098ec49180b3248e6cad9b

      SHA256

      d04da7150f3b31c8dbbe6e7293b3c66513efc1696bc9f9595eea16293b9b6854

      SHA512

      5b343c4e96ec3a982f0d59b3ad3367d041f744a5747820f0d406c670c1911bfd96f87d7203f3db9ccbaa77a5430d58cbf5bca0b25ef9f241579445d4f58209d2

    • memory/276-70-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp

      Filesize

      8KB

    • memory/1884-73-0x0000000004100000-0x000000000413E000-memory.dmp

      Filesize

      248KB

    • memory/1884-67-0x0000000000500000-0x0000000000518000-memory.dmp

      Filesize

      96KB

    • memory/1884-65-0x0000000000240000-0x0000000000318000-memory.dmp

      Filesize

      864KB

    • memory/1884-71-0x0000000000620000-0x000000000062C000-memory.dmp

      Filesize

      48KB

    • memory/1884-72-0x00000000057E0000-0x0000000005858000-memory.dmp

      Filesize

      480KB

    • memory/1972-54-0x0000000072671000-0x0000000072674000-memory.dmp

      Filesize

      12KB

    • memory/1972-68-0x00000000710DD000-0x00000000710E8000-memory.dmp

      Filesize

      44KB

    • memory/1972-58-0x00000000710DD000-0x00000000710E8000-memory.dmp

      Filesize

      44KB

    • memory/1972-57-0x0000000075501000-0x0000000075503000-memory.dmp

      Filesize

      8KB

    • memory/1972-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1972-55-0x00000000700F1000-0x00000000700F3000-memory.dmp

      Filesize

      8KB

    • memory/1972-79-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1972-80-0x00000000710DD000-0x00000000710E8000-memory.dmp

      Filesize

      44KB