Analysis

  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 22:02

General

  • Target

    mesh nuller.exe

  • Size

    8.0MB

  • MD5

    0a39ef47048a400fefc73d628de24516

  • SHA1

    8f029b4b4e69e260b0cc23987ef94993facd5970

  • SHA256

    821a78ea5b9f69675c81aa4fc364735c993c411de8901d7a0c4cb99d3521d913

  • SHA512

    c7032274fd386c7ee8988a2baa3395b93f010e42ebb56d8b9a31cc44741f60b282b53d671e6f2819aac3ab16db1338254af67c6fa419c4f64ffa4009e8192085

  • SSDEEP

    196608:NszugdqBA1HeT39IigQdeE9TFa0Z8DOjCdylHnQf/GoXKh:Bg4q1+TtIiLUY9Z8D8CclHQLXKh

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 15 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mesh nuller.exe
    "C:\Users\Admin\AppData\Local\Temp\mesh nuller.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\mesh nuller.exe
      "C:\Users\Admin\AppData\Local\Temp\mesh nuller.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Program Files\UEHS2928!!@#$\FNOffsetGrabber.exe
        "C:\Program Files\UEHS2928!!@#$\FNOffsetGrabber.exe"
        3⤵
        • Executes dropped EXE
        PID:2592
  • 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 --field-trial-handle=3416,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
    1⤵
      PID:3108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\UEHS2928!!@#$\FNOffsetGrabber.exe

      Filesize

      3.6MB

      MD5

      7ec9c96850bb2dcbf7c91bae180290b9

      SHA1

      d0deb56d65d48c6220e67b072038926879fc3e27

      SHA256

      d6f2d834e732daedd61b214641031cbcf7a34ca564dc2f2568503cece4cf5e4e

      SHA512

      474388bc1785aedf0a92d4b5a980156290ac765b7c097d36d8c2993c8e3b82f75a4e6a7e5f4a175f5228776bc83c467faead103abc4b88227e2bff320de08844

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\VCRUNTIME140.dll

      Filesize

      116KB

      MD5

      be8dbe2dc77ebe7f88f910c61aec691a

      SHA1

      a19f08bb2b1c1de5bb61daf9f2304531321e0e40

      SHA256

      4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

      SHA512

      0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_bz2.pyd

      Filesize

      83KB

      MD5

      223fd6748cae86e8c2d5618085c768ac

      SHA1

      dcb589f2265728fe97156814cbe6ff3303cd05d3

      SHA256

      f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb

      SHA512

      9c22c178417b82e68f71e5b7fe7c0c0a77184ee12bd0dc049373eace7fa66c89458164d124a9167ae760ff9d384b78ca91001e5c151a51ad80c824066b8ecce6

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_decimal.pyd

      Filesize

      245KB

      MD5

      3055edf761508190b576e9bf904003aa

      SHA1

      f0dc8d882b5cd7955cc6dfc8f9834f70a83c7890

      SHA256

      e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577

      SHA512

      87538fe20bd2c1150a8fefd0478ffd32e2a9c59d22290464bf5dfb917f6ac7ec874f8b1c70d643a4dc3dd32cbe17e7ea40c0be3ea9dd07039d94ab316f752248

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_hashlib.pyd

      Filesize

      64KB

      MD5

      eedb6d834d96a3dffffb1f65b5f7e5be

      SHA1

      ed6735cfdd0d1ec21c7568a9923eb377e54b308d

      SHA256

      79c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2

      SHA512

      527bd7bb2f4031416762595f4ce24cbc6254a50eaf2cc160b930950c4f2b3f5e245a486972148c535f8cd80c78ec6fa8c9a062085d60db8f23d4b21e8ae4c0ad

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_lzma.pyd

      Filesize

      156KB

      MD5

      05e8b2c429aff98b3ae6adc842fb56a3

      SHA1

      834ddbced68db4fe17c283ab63b2faa2e4163824

      SHA256

      a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c

      SHA512

      badeb99795b89bc7c1f0c36becc7a0b2ce99ecfd6f6bb493bda24b8e57e6712e23f4c509c96a28bc05200910beddc9f1536416bbc922331cae698e813cbb50b3

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_queue.pyd

      Filesize

      31KB

      MD5

      6e0cb85dc94e351474d7625f63e49b22

      SHA1

      66737402f76862eb2278e822b94e0d12dcb063c5

      SHA256

      3f57f29abd86d4dc8f4ca6c3f190ebb57d429143d98f0636ff5117e08ed81f9b

      SHA512

      1984b2fc7f9bbdf5ba66716fc60dcfd237f38e2680f2fc61f141ff7e865c0dbdd7cdc47b3bc490b426c6cfe9f3f9e340963abf428ea79eb794b0be7d13001f6a

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_socket.pyd

      Filesize

      81KB

      MD5

      dc06f8d5508be059eae9e29d5ba7e9ec

      SHA1

      d666c88979075d3b0c6fd3be7c595e83e0cb4e82

      SHA256

      7daff6aa3851a913ed97995702a5dfb8a27cb7cf00fb496597be777228d7564a

      SHA512

      57eb36bc1e9be20c85c34b0a535b2349cb13405d60e752016e23603c4648939f1150e4dbebc01ec7b43eb1a6947c182ccb8a806e7e72167ad2e9d98d1fd94ab3

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\_ssl.pyd

      Filesize

      174KB

      MD5

      5b9b3f978d07e5a9d701f832463fc29d

      SHA1

      0fcd7342772ad0797c9cb891bf17e6a10c2b155b

      SHA256

      d568b3c99bf0fc35a1f3c5f66b4a9d3b67e23a1d3cf0a4d30499d924d805f5aa

      SHA512

      e4db56c8e0e9ba0db7004463bf30364a4e4ab0b545fb09f40d2dba67b79b6b1c1db07df1f017501e074abd454d1e37a4167f29e7bbb0d4f8958fa0a2e9f4e405

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\base_library.zip

      Filesize

      1.3MB

      MD5

      8dad91add129dca41dd17a332a64d593

      SHA1

      70a4ec5a17ed63caf2407bd76dc116aca7765c0d

      SHA256

      8de4f013bfecb9431aabaa97bb084fb7de127b365b9478d6f7610959bf0d2783

      SHA512

      2163414bc01fc30d47d1de763a8332afe96ea7b296665b1a0840d5197b7e56f4963938e69de35cd2bf89158e5e2240a1650d00d86634ac2a5e2ad825455a2d50

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\certifi\cacert.pem

      Filesize

      285KB

      MD5

      d3e74c9d33719c8ab162baa4ae743b27

      SHA1

      ee32f2ccd4bc56ca68441a02bf33e32dc6205c2b

      SHA256

      7a347ca8fef6e29f82b6e4785355a6635c17fa755e0940f65f15aa8fc7bd7f92

      SHA512

      e0fb35d6901a6debbf48a0655e2aa1040700eb5166e732ae2617e89ef5e6869e8ddd5c7875fa83f31d447d4abc3db14bffd29600c9af725d9b03f03363469b4c

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\charset_normalizer\md.cp312-win_amd64.pyd

      Filesize

      10KB

      MD5

      d9e0217a89d9b9d1d778f7e197e0c191

      SHA1

      ec692661fcc0b89e0c3bde1773a6168d285b4f0d

      SHA256

      ecf12e2c0a00c0ed4e2343ea956d78eed55e5a36ba49773633b2dfe7b04335c0

      SHA512

      3b788ac88c1f2d682c1721c61d223a529697c7e43280686b914467b3b39e7d6debaff4c0e2f42e9dddb28b522f37cb5a3011e91c66d911609c63509f9228133d

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\charset_normalizer\md__mypyc.cp312-win_amd64.pyd

      Filesize

      120KB

      MD5

      bf9a9da1cf3c98346002648c3eae6dcf

      SHA1

      db16c09fdc1722631a7a9c465bfe173d94eb5d8b

      SHA256

      4107b1d6f11d842074a9f21323290bbe97e8eed4aa778fbc348ee09cc4fa4637

      SHA512

      7371407d12e632fc8fb031393838d36e6a1fe1e978ced36ff750d84e183cde6dd20f75074f4597742c9f8d6f87af12794c589d596a81b920c6c62ee2ba2e5654

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\libcrypto-3.dll

      Filesize

      5.0MB

      MD5

      e547cf6d296a88f5b1c352c116df7c0c

      SHA1

      cafa14e0367f7c13ad140fd556f10f320a039783

      SHA256

      05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de

      SHA512

      9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\libssl-3.dll

      Filesize

      768KB

      MD5

      19a2aba25456181d5fb572d88ac0e73e

      SHA1

      656ca8cdfc9c3a6379536e2027e93408851483db

      SHA256

      2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006

      SHA512

      df17dc8a882363a6c5a1b78ba3cf448437d1118ccc4a6275cc7681551b13c1a4e0f94e30ffb94c3530b688b62bff1c03e57c2c185a7df2bf3e5737a06e114337

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\python312.dll

      Filesize

      6.6MB

      MD5

      3c388ce47c0d9117d2a50b3fa5ac981d

      SHA1

      038484ff7460d03d1d36c23f0de4874cbaea2c48

      SHA256

      c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb

      SHA512

      e529c5c1c028be01e44a156cd0e7cad0a24b5f91e5d34697fafc395b63e37780dc0fac8f4c5d075ad8fe4bd15d62a250b818ff3d4ead1e281530a4c7e3ce6d35

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\select.pyd

      Filesize

      29KB

      MD5

      92b440ca45447ec33e884752e4c65b07

      SHA1

      5477e21bb511cc33c988140521a4f8c11a427bcc

      SHA256

      680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3

      SHA512

      40e60e1d1445592c5e8eb352a4052db28b1739a29e16b884b0ba15917b058e66196988214ce473ba158704837b101a13195d5e48cb1dc2f07262dfecfe8d8191

    • C:\Users\Admin\AppData\Local\Temp\_MEI21322\unicodedata.pyd

      Filesize

      1.1MB

      MD5

      16be9a6f941f1a2cb6b5fca766309b2c

      SHA1

      17b23ae0e6a11d5b8159c748073e36a936f3316a

      SHA256

      10ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04

      SHA512

      64b7ecc58ae7cf128f03a0d5d5428aaa0d4ad4ae7e7d19be0ea819bbbf99503836bfe4946df8ee3ab8a92331fdd002ab9a9de5146af3e86fef789ce46810796b

    • memory/2592-55-0x00007FF840EFB000-0x00007FF840EFC000-memory.dmp

      Filesize

      4KB