Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2023, 22:51

General

  • Target

    171c2a8b0a73d450e8bdaf81440c614d.exe

  • Size

    142KB

  • MD5

    171c2a8b0a73d450e8bdaf81440c614d

  • SHA1

    addd0c18947c47770098897212fb627074560883

  • SHA256

    5dae266c75dc2248369425a70edf11f6a66ccc810dbc40b2fedc2f902bbfe5fd

  • SHA512

    234b500a19ef68ecbdc383408184e8230d273a45b06661759c40be1fc2a30cccea6207369dea9e7f4953bb2e1a260282ac90608f22fe60d8ccb393cff879e37a

  • SSDEEP

    3072:SnOn7t7XpdpCCTg/sxFgJ6eqgKJ+BCCCRlusj+8GFvUIQgTpEd:SKpdcCrTdgKPPusj5ATGd

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\171c2a8b0a73d450e8bdaf81440c614d.exe
    "C:\Users\Admin\AppData\Local\Temp\171c2a8b0a73d450e8bdaf81440c614d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\nsy68A4.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsy68A4.tmp\downloadmr.exe /u4d4881ec-1a64-40da-b78d-79555bc06ebe /e2613609
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsy68A4.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsy68A4.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/2188-28-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2788-18-0x0000000074450000-0x00000000749FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-19-0x0000000074450000-0x00000000749FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-20-0x0000000002260000-0x00000000022A0000-memory.dmp

    Filesize

    256KB

  • memory/2788-22-0x0000000002260000-0x00000000022A0000-memory.dmp

    Filesize

    256KB

  • memory/2788-21-0x0000000002260000-0x00000000022A0000-memory.dmp

    Filesize

    256KB

  • memory/2788-23-0x0000000005AB0000-0x0000000005BB0000-memory.dmp

    Filesize

    1024KB

  • memory/2788-24-0x0000000074450000-0x00000000749FB000-memory.dmp

    Filesize

    5.7MB