Analysis

  • max time kernel
    141s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-03-2024 11:54

General

  • Target

    c34c67d11d00ac6ae57dd34608df7dcb.exe

  • Size

    142KB

  • MD5

    c34c67d11d00ac6ae57dd34608df7dcb

  • SHA1

    637ef9c122a30b0f866a3c2a781bb4830b08f6c7

  • SHA256

    33e5300286c9b899243cbdeb23a78dc270ecd6665f804bb8e20ca24872d886d9

  • SHA512

    142e7fd705f241f23f85cd5d3314359a6f848887208060eea02c136d4d82747a900fea14791f80b4b146ed55fb76700b53bbb2e7e24e8aeca380ca0c91f379c2

  • SSDEEP

    3072:ynOn7t7XpdpCCTg/sxFgJKeqgKJ+BChCMf7ewqoJHsU7yJit4VXovb5WK:yKpdcCrTdgKguXFJHiiuVXovb5WK

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\c34c67d11d00ac6ae57dd34608df7dcb.exe
    "C:\Users\Admin\AppData\Local\Temp\c34c67d11d00ac6ae57dd34608df7dcb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Local\Temp\nse101A.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nse101A.tmp\downloadmr.exe /u4d4881ec-1a64-40da-b78d-79555bc06ebe /e7945
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2980
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nse101A.tmp\System.dll

      Filesize

      21KB

      MD5

      5ebc73650256e9c8ddbcda231db829a1

      SHA1

      988d4535e18754ab2a6248abae96c5697d7dbcd5

      SHA256

      1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

      SHA512

      b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

    • C:\Users\Admin\AppData\Local\Temp\nse101A.tmp\downloadmr.exe

      Filesize

      122KB

      MD5

      da254a8488b60244654e1cf4d6796cf8

      SHA1

      23d06f4589786652a3a226b5012a5520a3d03452

      SHA256

      6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

      SHA512

      d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

    • memory/1852-17-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1852-36-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1852-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1852-18-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

      Filesize

      52KB

    • memory/2980-21-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2980-16-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2980-15-0x0000000001750000-0x0000000001760000-memory.dmp

      Filesize

      64KB

    • memory/2980-22-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2980-23-0x0000000001750000-0x0000000001760000-memory.dmp

      Filesize

      64KB

    • memory/2980-24-0x0000000001750000-0x0000000001760000-memory.dmp

      Filesize

      64KB

    • memory/2980-25-0x0000000001750000-0x0000000001760000-memory.dmp

      Filesize

      64KB

    • memory/2980-26-0x0000000001750000-0x0000000001760000-memory.dmp

      Filesize

      64KB

    • memory/2980-32-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2980-14-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB