Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 17:23

General

  • Target

    08460e00deb386b0cb43722558ee2fe1.exe

  • Size

    124KB

  • MD5

    08460e00deb386b0cb43722558ee2fe1

  • SHA1

    bb2e519d1818c724f812c0270e38cc912d33591f

  • SHA256

    20d5ac38d790a037494b065b6ed2375570420774233cd58ee66677e3d494ecfc

  • SHA512

    0161c2fc1fe7ec9f9178e640e82812de21b1d1efe5c6f4a6795aa641af4fc7c5175a821cd2f32de569b82a26da049611f3558b20446ddaf8196265d403010936

  • SSDEEP

    3072:EmeDmBqskJvFKpD3MWXRmnQlbwKBhxmaWdDqEhJtvpAF:E8iwD3pmQRwgxp8DzJthy

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).

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08460e00deb386b0cb43722558ee2fe1.exe
    "C:\Users\Admin\AppData\Local\Temp\08460e00deb386b0cb43722558ee2fe1.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3516
    • 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:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    56699b143a4e699e2b0b910687bfa1c4

    SHA1

    59205c0f324fef0b424b7f92f1a3364a4c333eae

    SHA256

    551867a5c6c2af8198cefd64d80e94a127d36ad2ce566c9f952311b4102ac6ed

    SHA512

    ff929c4654c3b69b61f6b600a89dc814280c4d0da8210fdaeddd9f5fa43de8f2f3de4cfa8d922ddb8b103b562a0e45cce5fa21e89949609cc717797a3500898d

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

    Filesize

    100KB

    MD5

    6f00b792ae065060a89b8701c4ce435c

    SHA1

    61823e11749f833f585db3dd9f7caa56649edadb

    SHA256

    184bdf265f605f9e27e1cba1b9a6db28d00819dc356b9778bcd6b13b8b52a612

    SHA512

    d9a0a3601b556aa8b96c3411acdf19ef6465d1cd0f1eca192da8af44051bcb5bd22471c5a92ca5c378f99bc64f8273b9fef56b307e66aeabc23ac653082b56fc