Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 14:26

General

  • Target

    1b60acb82b95d28742594513bae7c9a1.xlsm

  • Size

    201KB

  • MD5

    1b60acb82b95d28742594513bae7c9a1

  • SHA1

    f2fadc54bd2cfcb23c4d3ba73d70952463450677

  • SHA256

    a34cad96dd43ab4784b0b96b601719a123d23daba217e37803afd3baab323810

  • SHA512

    e833eeab71487f156e21b38ff2520c4a102566bb646d942254c73315374b1f2e958dcde1feb356c2267692ae2cd845df647696f10553f48a386bf954ea6d90f7

  • SSDEEP

    3072:IJ/ogkBdPxNLho1Wi3ywBU5jNg43DBYWhE9aUkFY7BCjzqaJASsI6qYOuAHZnNOj:mogkLjLho5COQbuwE9aWw+aJ0IBuok

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1b60acb82b95d28742594513bae7c9a1.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\OUlMPNRc.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\OUlMPNRc.sct

    Filesize

    25KB

    MD5

    676921e0af9df4c1f16068e459a8db34

    SHA1

    c9f0bd577155aa8b5de8e0bd661475e8589b936f

    SHA256

    41d3930ca4954ddd1a8e5df40679476e6919eca648fbb549ddbd57750b2c5c3c

    SHA512

    cdfb10e30190fbf7f858e6ebd0f77a8ad1e9d0dffaa57a8e09f8c14c174fa708276feb4d03b3aa5d1e83489216dcb0d758e2c1981562898bae696c9889c9584a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar2EA4.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2872-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2872-1-0x0000000071E4D000-0x0000000071E58000-memory.dmp

    Filesize

    44KB

  • memory/2872-57-0x0000000071E4D000-0x0000000071E58000-memory.dmp

    Filesize

    44KB

  • memory/2872-62-0x0000000071E4D000-0x0000000071E58000-memory.dmp

    Filesize

    44KB

  • memory/2872-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB