Analysis

  • max time kernel
    25s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 02:57

General

  • Target

    5d3eac49e2315d84808c1d96bb782ba92481e960621b98c30b578bf2e9af815c.exe

  • Size

    124KB

  • MD5

    7fd16b5f86d63d6f9e53122a8336e403

  • SHA1

    fd1b021e1e5446c38af1adb1252c03885910319c

  • SHA256

    5d3eac49e2315d84808c1d96bb782ba92481e960621b98c30b578bf2e9af815c

  • SHA512

    00df7392245f3b0df392794f1061d14994216f2123c28848f33b6b5e49ef4ebb5bae51aa85e9a25ba0c5c64cf865d7619603a70ba143368d8be0c357ce0bb8a5

  • SSDEEP

    1536:Ejae1wYxmBBoskJWcR0nwj3QGOcoSWk2cPfnkK9Z8JXI1OkJMUuS8Sba4mjcmcVv:EmeDmBqskJfR06AnTGKWq/YRse2mye

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\5d3eac49e2315d84808c1d96bb782ba92481e960621b98c30b578bf2e9af815c.exe
    "C:\Users\Admin\AppData\Local\Temp\5d3eac49e2315d84808c1d96bb782ba92481e960621b98c30b578bf2e9af815c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1676
    • 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:1992

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/1676-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB