Analysis

  • max time kernel
    39s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 23:53

General

  • Target

    20b54556a3a3101e060d2d04621b33d5.exe

  • Size

    157KB

  • MD5

    20b54556a3a3101e060d2d04621b33d5

  • SHA1

    a18f78bc460e15ce2f98fae4423d4856728a3a31

  • SHA256

    56c1a28f84e286c53178a2d631a1df4409bdb5fa0c0452a244ea9defc4d6d2ad

  • SHA512

    59ce38cd81a14d9a76e671dc6685702a458d2dd6021ae95f18e123782e79c0ba31356426f694b3ee7c31e16953f52afc4091aeef19367a3ef86d2b857ad5ff0b

  • SSDEEP

    3072:waFoV8RSJAm1gJ5LHRpL48eSURN5QCwJ9OcMkEeIhvryajU0of3Qw4+:waKAm1gfHR5nenTcXIH1w4

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe
    "C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe"
    1⤵
    • Registers COM server for autorun
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4492
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:3436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3436-10-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/4492-1-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4492-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4492-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4492-2-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/4492-4-0x0000000000A10000-0x0000000000A4A000-memory.dmp

    Filesize

    232KB

  • memory/4492-5-0x0000000000610000-0x0000000000611000-memory.dmp

    Filesize

    4KB

  • memory/4492-6-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4492-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4492-13-0x0000000000A10000-0x0000000000A4A000-memory.dmp

    Filesize

    232KB