Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 12:49

General

  • Target

    8f0b8a4c072f89941e1922116909404f.exe

  • Size

    437KB

  • MD5

    8f0b8a4c072f89941e1922116909404f

  • SHA1

    a8a3730bba0e51d48f94ee222f4d62675b617ea5

  • SHA256

    dd1f56f509f4c93287647d57c79fb88917f9bf838cb2d5455d10ba8cfbab641c

  • SHA512

    e357adbc3bc9c24f5978491e020a0facbfe1d7e81fcdc9cf9147bdf0a6bce078319202b17a999e7a50270527ea282712d1cbdf4d56c54e050f81fb7c59816681

  • SSDEEP

    6144:njT5Zh17eWxoG/+ov/2OIQ4wW3OBsCeAW5iibpbW9ejT5ZhU:nRZ+IoG/n9IQxW3OBsegiibpb7RZG

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f0b8a4c072f89941e1922116909404f.exe
    "C:\Users\Admin\AppData\Local\Temp\8f0b8a4c072f89941e1922116909404f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\3.js"
      2⤵
      • Blocklisted process makes network request
      • Modifies system certificate store
      PID:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6A78.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\3.js

    Filesize

    60KB

    MD5

    be572bbf5abdc2afc3e132c4ec9afa2c

    SHA1

    10f05984380434e53f2439189a8d1fe1e9390710

    SHA256

    2bcb5c99ef02bf6acbec5e6e082e414256ee22a7fb3f410197b906ad276e5074

    SHA512

    5b87271b69adb1a1bbed478cbd2fc5c406c650abbd7e3af0d2eb86482d8573466f82d1a6eef02ac790137819a6d46f802973a61e61892e507be27fa67c84c354

  • C:\Users\Admin\AppData\Local\Temp\Tar6B36.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06