Analysis

  • max time kernel
    150s
  • max time network
    160s
  • 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 16:44

General

  • Target

    2e2e38d8587ad43b1a174bf06f0fa30b.exe

  • Size

    142KB

  • MD5

    2e2e38d8587ad43b1a174bf06f0fa30b

  • SHA1

    d4b8f99c28c4441e783a828549ad3928c76b4efc

  • SHA256

    63eaace7b31bcf55b6cbe48bb800b31a92e97788212f29b0778b199f1d49abe8

  • SHA512

    08c056f1af7db7499e879e6254e7b2512c3c5dca808abb6ca913de7b9cbb9d1ec154c0679e5e7e6c7344491747086e19fd529a74506902aa2f70f652e030d54d

  • SSDEEP

    3072:SnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCWCKuA4CBSRpVeJgO0faOG:SKpdcCrTdgKDKF7cpEgnfVG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e2e38d8587ad43b1a174bf06f0fa30b.exe
    "C:\Users\Admin\AppData\Local\Temp\2e2e38d8587ad43b1a174bf06f0fa30b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Users\Admin\AppData\Local\Temp\nsv8791.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsv8791.tmp\downloadmr.exe /u4f60b618-3ccc-4ef6-9b48-1ba55bc06f2f /e2796469
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsv8791.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsv8791.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/1772-16-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1772-34-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1772-17-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

    Filesize

    52KB

  • memory/2492-15-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2492-14-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2492-20-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2492-21-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2492-25-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2492-24-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2492-26-0x00000000010F0000-0x0000000001100000-memory.dmp

    Filesize

    64KB

  • memory/2492-30-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2492-13-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB