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Analysis

  • max time kernel
    154s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 11:07

General

  • Target

    c878362fcdc7b9ecc1e03207f2d27e71.exe

  • Size

    11KB

  • MD5

    c878362fcdc7b9ecc1e03207f2d27e71

  • SHA1

    d0e14be590be6428fbea76144a0201eff7bd2b17

  • SHA256

    0e84afcd788a721f9584597013f6e7c634baafa7dc0e37bee766f7f00083d817

  • SHA512

    b4449d0e5b62fe4ecb02801f74fcf9d14758fb493043a26e03a63726d0c47c19eae3542dcfc9dc8ef04626eb2b0b977d6cc14818b06bb18442480ddf24b494d3

  • SSDEEP

    192:GjhkFN9teAqlkuxdchqAr+X71vaAXvZgqXYMn3A7VbrE10cp:whknrHikuQe71vfCqXYMnQ7VbgT

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c878362fcdc7b9ecc1e03207f2d27e71.exe
    "C:\Users\Admin\AppData\Local\Temp\c878362fcdc7b9ecc1e03207f2d27e71.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\cmonosk.exe
      C:\Windows\system32\cmonosk.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\c878362fcdc7b9ecc1e03207f2d27e71.exe.bat
      2⤵
        PID:556
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\c878362fcdc7b9ecc1e03207f2d27e71.exe.bat

        Filesize

        182B

        MD5

        61beee8b91cd28777d26e04eb2eb7ef7

        SHA1

        0296d00dc451a2eba5c0c1e6257d166791e22ad4

        SHA256

        339c7c5c37a2bdfc1a8e4a054b7b0f65e075fe39233c0dde9df98c8d6a473595

        SHA512

        db2b1e0f055711cf30d294b35580aa36b0ca1a0f608e81ab0fd573786c0d69ed049ad7ffe0ce88e66882d9fc6d48c356f87a28e2d1d5146ef6b6e5e028495105

      • C:\Windows\SysWOW64\cmonosk.exe

        Filesize

        11KB

        MD5

        c878362fcdc7b9ecc1e03207f2d27e71

        SHA1

        d0e14be590be6428fbea76144a0201eff7bd2b17

        SHA256

        0e84afcd788a721f9584597013f6e7c634baafa7dc0e37bee766f7f00083d817

        SHA512

        b4449d0e5b62fe4ecb02801f74fcf9d14758fb493043a26e03a63726d0c47c19eae3542dcfc9dc8ef04626eb2b0b977d6cc14818b06bb18442480ddf24b494d3

      • memory/1768-7-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/4064-0-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/4064-6-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB