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Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 14:57

General

  • Target

    774d1d8c187293d9c17e9b63c6f5b0fb.exe

  • Size

    56KB

  • MD5

    774d1d8c187293d9c17e9b63c6f5b0fb

  • SHA1

    511f2f1edd7b73c01d1ac66189dcb6196ff09123

  • SHA256

    77ebaecf2f32c4685d51931563e628841b0334c0d351d5b38d9b29b4f0f04066

  • SHA512

    5ca5962117489bdf8edb70b64faf887a745437ef10d875a55e92c2a43701433b4f1674aabdaddd70cdd25981392c5095c8b3192fb4f8b76d9d00f8377fa2c385

  • SSDEEP

    768:PfhXhwYuTmoKY73ROuiEGMTRO9xmcEZc77CZIdbGN5Gd:PfpKYuK83wpE9Ex3TKZiX

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\774d1d8c187293d9c17e9b63c6f5b0fb.exe
    "C:\Users\Admin\AppData\Local\Temp\774d1d8c187293d9c17e9b63c6f5b0fb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ins518B.tmp", start first worker
      2⤵
      • Blocklisted process makes network request
      • Drops file in Drivers directory
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:3588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ins518B.tmp

    Filesize

    33KB

    MD5

    785037329f4826c295874a0e20763f3c

    SHA1

    68228519e8fe8cc09d07b7521a450aee6981939f

    SHA256

    d0bd35bcbedb5416b4f3b003f448815eee21f8ae83d4f4762c19a86631040598

    SHA512

    baf7c760ee43dab8e9878c2d7e924a0b699eedf98c64fd1dfe6ec6cb9bfa4914231872cd0f1fe5cb89c0ae918562a85e29457e36fbb2b8d4f4e1cf706e4eb201

  • memory/3588-8-0x00000000020D0000-0x00000000020DA000-memory.dmp

    Filesize

    40KB

  • memory/3588-14-0x00000000020D0000-0x00000000020DA000-memory.dmp

    Filesize

    40KB

  • memory/3588-15-0x00000000020D0000-0x00000000020DA000-memory.dmp

    Filesize

    40KB

  • memory/3588-18-0x00000000020D0000-0x00000000020DA000-memory.dmp

    Filesize

    40KB

  • memory/4932-0-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4932-1-0x00000000021F0000-0x00000000021F1000-memory.dmp

    Filesize

    4KB