Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 03:27

General

  • Target

    030643629534e2b53464ff508fbc742b.exe

  • Size

    142KB

  • MD5

    030643629534e2b53464ff508fbc742b

  • SHA1

    47c45cf7692b5f13d879fbf9233029f2d8f6331f

  • SHA256

    511c5c17bfb24dc00c8e5e8a01faa04f4ad4f160358ca569bee5bacd5e783b2e

  • SHA512

    67f7283a0d1ab5ed975d9ae18bbb184777c77ca5a2a9a48904a50965ed5a96ef9e2962b4ef534fe221ade90999567b2fbad2896358866ec4db5724f58a43163f

  • SSDEEP

    3072:anOn7t7XpdpCCTg/sxFgJaeqgKJ+BCNCmGKMZrlgJE5y:aKpdcCrTdgKsm6ZrlgJUy

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\030643629534e2b53464ff508fbc742b.exe
    "C:\Users\Admin\AppData\Local\Temp\030643629534e2b53464ff508fbc742b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\nsjF24D.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsjF24D.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2271292
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\nsjF24D.tmp\System.dll

          Filesize

          21KB

          MD5

          5ebc73650256e9c8ddbcda231db829a1

          SHA1

          988d4535e18754ab2a6248abae96c5697d7dbcd5

          SHA256

          1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

          SHA512

          b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

        • \Users\Admin\AppData\Local\Temp\nsjF24D.tmp\downloadmr.exe

          Filesize

          122KB

          MD5

          da254a8488b60244654e1cf4d6796cf8

          SHA1

          23d06f4589786652a3a226b5012a5520a3d03452

          SHA256

          6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

          SHA512

          d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

        • memory/2208-28-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2564-18-0x00000000746B0000-0x0000000074C5B000-memory.dmp

          Filesize

          5.7MB

        • memory/2564-20-0x0000000000970000-0x00000000009B0000-memory.dmp

          Filesize

          256KB

        • memory/2564-19-0x00000000746B0000-0x0000000074C5B000-memory.dmp

          Filesize

          5.7MB

        • memory/2564-21-0x0000000000970000-0x00000000009B0000-memory.dmp

          Filesize

          256KB

        • memory/2564-23-0x00000000059E0000-0x0000000005AE0000-memory.dmp

          Filesize

          1024KB

        • memory/2564-22-0x0000000000970000-0x00000000009B0000-memory.dmp

          Filesize

          256KB

        • memory/2564-24-0x00000000746B0000-0x0000000074C5B000-memory.dmp

          Filesize

          5.7MB