Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 01:32

General

  • Target

    20b54556a3a3101e060d2d04621b33d5.exe

  • Size

    157KB

  • MD5

    20b54556a3a3101e060d2d04621b33d5

  • SHA1

    a18f78bc460e15ce2f98fae4423d4856728a3a31

  • SHA256

    56c1a28f84e286c53178a2d631a1df4409bdb5fa0c0452a244ea9defc4d6d2ad

  • SHA512

    59ce38cd81a14d9a76e671dc6685702a458d2dd6021ae95f18e123782e79c0ba31356426f694b3ee7c31e16953f52afc4091aeef19367a3ef86d2b857ad5ff0b

  • SSDEEP

    3072:waFoV8RSJAm1gJ5LHRpL48eSURN5QCwJ9OcMkEeIhvryajU0of3Qw4+:waKAm1gfHR5nenTcXIH1w4

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3308
    • C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe
      "C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe"
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2398549320-3657759451-817663969-1000\$d7362a29d498cbe6f160f22253cfe716\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/3308-10-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/3308-14-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/3352-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3352-1-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3352-2-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/3352-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3352-4-0x00000000005F0000-0x000000000062A000-memory.dmp

    Filesize

    232KB

  • memory/3352-5-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB

  • memory/3352-6-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3352-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3352-13-0x00000000005F0000-0x000000000062A000-memory.dmp

    Filesize

    232KB