Analysis

  • max time kernel
    21s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:53

General

  • Target

    d279653b1bbe761f2cf954252f377c5237025779e2ea4966f2d76d4101571120.exe

  • Size

    124KB

  • MD5

    63da32e8bef2f4013ab1680ba8a0ca49

  • SHA1

    ca183fd76ecb6f52d610142982b1bd3d4fd6000b

  • SHA256

    d279653b1bbe761f2cf954252f377c5237025779e2ea4966f2d76d4101571120

  • SHA512

    c6d6431a8257297fa53f2576f97cc1b5470d1ed54d5b2718cda262f748f6b20078de2b13a56639a12d009e9518206db5d9d696edb69600280c9b05115f080a90

  • SSDEEP

    3072:EmeDmBqskJ5zKIjtj1C3NBdJyGdBQ9RIugx:E8mKajGNBdJBUCugx

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d279653b1bbe761f2cf954252f377c5237025779e2ea4966f2d76d4101571120.exe
    "C:\Users\Admin\AppData\Local\Temp\d279653b1bbe761f2cf954252f377c5237025779e2ea4966f2d76d4101571120.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1292

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Common Files\PushWare\cpush.dll

          Filesize

          196KB

          MD5

          e4669fa29a5390df0704c8107fca71b4

          SHA1

          2696a62ba5821578c7672766e70bbace715f597d

          SHA256

          95c5f7c4b8f235e38d071d6139a18629af633441db0d9b323affc1292b92e165

          SHA512

          bcca7a81cad87c6ece5b2e9963603fb448b6242772685ebba4623a8ef9916975e41a7295de6eea22bb9ea5e66998259455d1bf4a9087116c5102dff3b76e32e9

        • \Program Files (x86)\Common Files\PushWare\cpush.dll

          Filesize

          196KB

          MD5

          e4669fa29a5390df0704c8107fca71b4

          SHA1

          2696a62ba5821578c7672766e70bbace715f597d

          SHA256

          95c5f7c4b8f235e38d071d6139a18629af633441db0d9b323affc1292b92e165

          SHA512

          bcca7a81cad87c6ece5b2e9963603fb448b6242772685ebba4623a8ef9916975e41a7295de6eea22bb9ea5e66998259455d1bf4a9087116c5102dff3b76e32e9

        • memory/1284-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

          Filesize

          8KB