Analysis

  • max time kernel
    141s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-02-2021 20:21

General

  • Target

    certificate 02.21.doc

  • Size

    96KB

  • MD5

    615b4a33d5ee7d3833430c54acec1a2a

  • SHA1

    fdc6f96cf299966b467052a37d548caa4e7428c6

  • SHA256

    dd68914c1082dc3a17171c8e6f81330058db042bba3b6dc78da3d304bc78bcd2

  • SHA512

    f6dca8c6f8ffc6e7c119ea057f008c6913c304612b3900e18ea9c70decebc8c9966b71ddb7c8a6d1f2c25c6b17bb893792d2a7269ace4092d4463f99a8ae553b

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 15 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\certificate 02.21.doc"
    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:324
    • C:\programdata\xml.com
      "C:\programdata\xml.com" process list /format : ".xsl"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 c:\programdata\24251.jpg
        3⤵
          PID:1156
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:828

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

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      Downloads

      • C:\ProgramData\xml.com
        MD5

        a03cf3838775e0801a0894c8bacd2e56

        SHA1

        4368dbd172224ec9461364be1ac9dffc5d9224a8

        SHA256

        132aa270790f56a7524cab968927ed5e1d91b9a26d4badcb24e450e7decc5f81

        SHA512

        b9e2467157139cc288e027d34865034eaf441dd69981a91df18d60e6b6a7cc53f8102230d18e4c6de2f3ad3ab413d755663bfc82d3033e52faf38509a7cdfcdc

      • C:\Users\Admin\AppData\Local\Temp\.xsl
        MD5

        0d2c37a5e112e48aff1683b6864fedbd

        SHA1

        21980bd3fe9c66f8e102a1dacb7dc5a7e833b256

        SHA256

        6251fdc6ba89ebebc8a6a97737658cb800693810c9a341dc0531f9880ec0e07e

        SHA512

        c85f9dadfc75161240e33e7611fbdebb441fdb09f50a650bac7a619e7d8cc7c9a35f19ee0be867c5b7860b6a73777396cb19c701bb0440f77222886afa269b55

      • \??\c:\programdata\24251.jpg
        MD5

        f348de7f7a1559a450569e6bf0819f7f

        SHA1

        3a84851ad9ef5cb5e48362c2d70cbe99f4b0b41f

        SHA256

        0cfdcc3e915f21a5cec559204e39fb95fda11aecd744ac94cd57aeb11a1f95c1

        SHA512

        6db5c4695c4727da86cc18a58bba76614d39599ddc15a67be4ba0ab3078434ecff1fa6247b612d57500b6baaba657623287b16ba1dadada17c69c12a11ebfb2e

      • \ProgramData\xml.com
        MD5

        a03cf3838775e0801a0894c8bacd2e56

        SHA1

        4368dbd172224ec9461364be1ac9dffc5d9224a8

        SHA256

        132aa270790f56a7524cab968927ed5e1d91b9a26d4badcb24e450e7decc5f81

        SHA512

        b9e2467157139cc288e027d34865034eaf441dd69981a91df18d60e6b6a7cc53f8102230d18e4c6de2f3ad3ab413d755663bfc82d3033e52faf38509a7cdfcdc

      • \ProgramData\xml.com
        MD5

        a03cf3838775e0801a0894c8bacd2e56

        SHA1

        4368dbd172224ec9461364be1ac9dffc5d9224a8

        SHA256

        132aa270790f56a7524cab968927ed5e1d91b9a26d4badcb24e450e7decc5f81

        SHA512

        b9e2467157139cc288e027d34865034eaf441dd69981a91df18d60e6b6a7cc53f8102230d18e4c6de2f3ad3ab413d755663bfc82d3033e52faf38509a7cdfcdc

      • \ProgramData\xml.com
        MD5

        a03cf3838775e0801a0894c8bacd2e56

        SHA1

        4368dbd172224ec9461364be1ac9dffc5d9224a8

        SHA256

        132aa270790f56a7524cab968927ed5e1d91b9a26d4badcb24e450e7decc5f81

        SHA512

        b9e2467157139cc288e027d34865034eaf441dd69981a91df18d60e6b6a7cc53f8102230d18e4c6de2f3ad3ab413d755663bfc82d3033e52faf38509a7cdfcdc

      • \ProgramData\xml.com
        MD5

        a03cf3838775e0801a0894c8bacd2e56

        SHA1

        4368dbd172224ec9461364be1ac9dffc5d9224a8

        SHA256

        132aa270790f56a7524cab968927ed5e1d91b9a26d4badcb24e450e7decc5f81

        SHA512

        b9e2467157139cc288e027d34865034eaf441dd69981a91df18d60e6b6a7cc53f8102230d18e4c6de2f3ad3ab413d755663bfc82d3033e52faf38509a7cdfcdc

      • memory/324-6-0x00000000062E0000-0x00000000062E2000-memory.dmp
        Filesize

        8KB

      • memory/324-2-0x0000000072F91000-0x0000000072F94000-memory.dmp
        Filesize

        12KB

      • memory/324-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Filesize

        64KB

      • memory/324-3-0x0000000070A11000-0x0000000070A13000-memory.dmp
        Filesize

        8KB

      • memory/828-12-0x0000000000000000-mapping.dmp
      • memory/828-13-0x000007FEFC3E1000-0x000007FEFC3E3000-memory.dmp
        Filesize

        8KB

      • memory/1156-16-0x0000000000000000-mapping.dmp
      • memory/1156-17-0x00000000766C1000-0x00000000766C3000-memory.dmp
        Filesize

        8KB

      • memory/1156-19-0x00000000001C0000-0x00000000001C1000-memory.dmp
        Filesize

        4KB

      • memory/1252-15-0x000007FEF7D30000-0x000007FEF7FAA000-memory.dmp
        Filesize

        2.5MB

      • memory/1980-10-0x0000000000000000-mapping.dmp