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Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 05:51

General

  • Target

    2ab7590fe165c9167d84ef2cdc0e02a2.xlsm

  • Size

    254KB

  • MD5

    2ab7590fe165c9167d84ef2cdc0e02a2

  • SHA1

    e81bdf750bae5674afa91901d9e1283881b27c72

  • SHA256

    21e2bab61ebddbbc47292ed5ef733b56073cd8590959ebeb01c583f7180612b6

  • SHA512

    7ce6057d27810da5577e54c702557c4cd0ae1763f88a83f991bb0a0045291159045cf98af55b662a060a46cb37c28c983b37659c0533229702bcfc1c8b4e7178

  • SSDEEP

    6144:SotZbAPPimNA/kjoitk3R0hFEWETy4e/+AiOdPXMDnpVfblao:vtZbAPDNAcMR0hFEWETU/mOVcrfN

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 5 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 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\2ab7590fe165c9167d84ef2cdc0e02a2.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:2800
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\caIxLZfHVlkoIy.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies system certificate store
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\caIxLZfHVlkoIy.sct

    Filesize

    26KB

    MD5

    eac9031300c7d5487465157d4e1c1c33

    SHA1

    7adfba577f1e581e4d1b2de3fafee9b8787f909c

    SHA256

    c6ba4f19adc7d8216a0a3fb5babb767061f23539694100ce69fbebdf8cdb1b02

    SHA512

    ee3db322f9329989223737be9162136e749a6c46de537f38e7617927300cf51b0a3fa967e6f5a81d64f71f2a255a5b176a5010b1b1b83c14f9e3539e6fd62fef

  • C:\Users\Admin\AppData\Local\Temp\CabCEE5.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarCF36.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2800-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2800-1-0x000000007262D000-0x0000000072638000-memory.dmp

    Filesize

    44KB

  • memory/2800-94-0x000000007262D000-0x0000000072638000-memory.dmp

    Filesize

    44KB

  • memory/2800-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2800-102-0x000000007262D000-0x0000000072638000-memory.dmp

    Filesize

    44KB