Resubmissions

11/06/2024, 18:56

240611-xla3aaxfjn 7

Analysis

  • max time kernel
    22s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 18:56

General

  • Target

    Cwelium.exe

  • Size

    12.8MB

  • MD5

    5918cc2107cc478b5408710634ef3243

  • SHA1

    2b6f80659d4bc4c51eaf2c3e06e4075bfe99c65d

  • SHA256

    fd64f2f11b6cbac2393c0ee9821c1d713095ec0fea2e24653c6fc6d31a10dfa5

  • SHA512

    847a7bf728cb94952e4366f302f00ed9ae737c27866df2811f36ac198fcccf215c8dbe6bab9d3f65181d78f3236c4b8d758b82b5949feafbef2e4735b4c27332

  • SSDEEP

    196608:j//tuqd3AOtWzhC4uAqAvcEQi2dP1NKu3k79BNgrrpq+sfv4ljxqdiK4IZLFpQ+t:j/t7Q6eZX2ddNT9pzq4ljxqciWtqmU7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 20 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cwelium.exe
    "C:\Users\Admin\AppData\Local\Temp\Cwelium.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\Cwelium.exe
      "C:\Users\Admin\AppData\Local\Temp\Cwelium.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
          PID:2624
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c title Cwelium
          3⤵
            PID:3256
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:1876
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c title Cwelium - Connected as Admin
              3⤵
                PID:3504
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c cls
                3⤵
                  PID:756
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c title Cwelium - Connected as Admin
                  3⤵
                    PID:3728
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c cls
                    3⤵
                      PID:4484
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c cls
                      3⤵
                        PID:732
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c title Cwelium - Connected as Admin
                        3⤵
                          PID:1576
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c title Cwelium - Mass Report
                          3⤵
                            PID:4924

                      Network

                      MITRE ATT&CK Matrix

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd

                        Filesize

                        120KB

                        MD5

                        bd36f7d64660d120c6fb98c8f536d369

                        SHA1

                        6829c9ce6091cb2b085eb3d5469337ac4782f927

                        SHA256

                        ee543453ac1a2b9b52e80dc66207d3767012ca24ce2b44206804767f37443902

                        SHA512

                        bd15f6d4492ddbc89fcbadba07fc10aa6698b13030dd301340b5f1b02b74191faf9b3dcf66b72ecf96084656084b531034ea5cadc1dd333ef64afb69a1d1fd56

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_socket.pyd

                        Filesize

                        77KB

                        MD5

                        1eea9568d6fdef29b9963783827f5867

                        SHA1

                        a17760365094966220661ad87e57efe09cd85b84

                        SHA256

                        74181072392a3727049ea3681fe9e59516373809ced53e08f6da7c496b76e117

                        SHA512

                        d9443b70fcdc4d0ea1cb93a88325012d3f99db88c36393a7ded6d04f590e582f7f1640d8b153fe3c5342fa93802a8374f03f6cd37dd40cdbb5ade2e07fad1e09

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ssl.pyd

                        Filesize

                        157KB

                        MD5

                        208b0108172e59542260934a2e7cfa85

                        SHA1

                        1d7ffb1b1754b97448eb41e686c0c79194d2ab3a

                        SHA256

                        5160500474ec95d4f3af7e467cc70cb37bec1d12545f0299aab6d69cea106c69

                        SHA512

                        41abf6deab0f6c048967ca6060c337067f9f8125529925971be86681ec0d3592c72b9cc85dd8bdee5dd3e4e69e3bb629710d2d641078d5618b4f55b8a60cc69d

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_uuid.pyd

                        Filesize

                        24KB

                        MD5

                        46e9d7b5d9668c9db5caa48782ca71ba

                        SHA1

                        6bbc83a542053991b57f431dd377940418848131

                        SHA256

                        f6063622c0a0a34468679413d1b18d1f3be67e747696ab972361faed4b8d6735

                        SHA512

                        c5b171ebdb51b1755281c3180b30e88796db8aa96073489613dab96b6959a205846711187266a0ba30782102ce14fbfa4d9f413a2c018494597600482329ebf7

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\certifi\cacert.pem

                        Filesize

                        287KB

                        MD5

                        2a6bef11d1f4672f86d3321b38f81220

                        SHA1

                        b4146c66e7e24312882d33b16b2ee140cb764b0e

                        SHA256

                        1605d0d39c5e25d67e7838da6a17dcf2e8c6cfa79030e8fb0318e35f5495493c

                        SHA512

                        500dfff929d803b0121796e8c1a30bdfcb149318a4a4de460451e093e4cbd568cd12ab20d0294e0bfa7efbd001de968cca4c61072218441d4fa7fd9edf7236d9

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\charset_normalizer\md__mypyc.pyd

                        Filesize

                        116KB

                        MD5

                        9ea8098d31adb0f9d928759bdca39819

                        SHA1

                        e309c85c1c8e6ce049eea1f39bee654b9f98d7c5

                        SHA256

                        3d9893aa79efd13d81fcd614e9ef5fb6aad90569beeded5112de5ed5ac3cf753

                        SHA512

                        86af770f61c94dfbf074bcc4b11932bba2511caa83c223780112bda4ffb7986270dc2649d4d3ea78614dbce6f7468c8983a34966fc3f2de53055ac6b5059a707

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libcrypto-1_1.dll

                        Filesize

                        3.3MB

                        MD5

                        e94733523bcd9a1fb6ac47e10a267287

                        SHA1

                        94033b405386d04c75ffe6a424b9814b75c608ac

                        SHA256

                        f20eb4efd8647b5273fdaafceb8ccb2b8ba5329665878e01986cbfc1e6832c44

                        SHA512

                        07dd0eb86498497e693da0f9dd08de5b7b09052a2d6754cfbc2aa260e7f56790e6c0a968875f7803cb735609b1e9b9c91a91b84913059c561bffed5ab2cbb29f

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-8.dll

                        Filesize

                        38KB

                        MD5

                        0f8e4992ca92baaf54cc0b43aaccce21

                        SHA1

                        c7300975df267b1d6adcbac0ac93fd7b1ab49bd2

                        SHA256

                        eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a

                        SHA512

                        6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\select.pyd

                        Filesize

                        29KB

                        MD5

                        c97a587e19227d03a85e90a04d7937f6

                        SHA1

                        463703cf1cac4e2297b442654fc6169b70cfb9bf

                        SHA256

                        c4aa9a106381835cfb5f9badfb9d77df74338bc66e69183757a5a3774ccdaccf

                        SHA512

                        97784363f3b0b794d2f9fd6a2c862d64910c71591006a34eedff989ecca669ac245b3dfe68eaa6da621209a3ab61d36e9118ebb4be4c0e72ce80fab7b43bde12

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\tls_client\dependencies\tls-client-64.dll

                        Filesize

                        17.8MB

                        MD5

                        181458ffd109573a1cde903e187b0b46

                        SHA1

                        6822c8b9cad8f13f3c0921205ada08efd693d93e

                        SHA256

                        b177778656455f6b8482154238d323a3de4d74f2a8b7a62bd973251a259edb87

                        SHA512

                        0f771e01e5f89dd83a8e46d129a7975b6ca395369d82411c9864805f1efa9ab7051e6caa24a5fad121391a25cb84dc991845da976265f3d67f8528aa01a280a8

                      • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\zstandard\backend_c.pyd

                        Filesize

                        512KB

                        MD5

                        dc08f04c9e03452764b4e228fc38c60b

                        SHA1

                        317bcc3f9c81e2fc81c86d5a24c59269a77e3824

                        SHA256

                        b990efbda8a50c49cd7fde5894f3c8f3715cb850f8cc4c10bc03fd92e310260f

                        SHA512

                        fbc24dd36af658cece54be14c1118af5fda4e7c5b99d22f99690a1fd625cc0e8aa41fd9accd1c74bb4b03d494b6c3571b24f2ee423aaae9a5ad50adc583c52f7

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\Cwelium.exe

                        Filesize

                        15.0MB

                        MD5

                        319c4b240cd7eeb7e39d9dc8d382baf8

                        SHA1

                        7cb9adaf31e06d9f55dc51160a2a8ad6878f01cc

                        SHA256

                        22d34a6dfcc54a2ff69560a2448d1a4150a36c34b83bc954a722754b9e587dac

                        SHA512

                        cbe525b3451338ea445224a975c718d9bf80a0341ff0d0d87c94b8b7459b8557d4d3661813197ee61a2cca1da9f2b504a0dbcf6224852aab72bf331b7083d5d3

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\_bz2.pyd

                        Filesize

                        82KB

                        MD5

                        3859239ced9a45399b967ebce5a6ba23

                        SHA1

                        6f8ff3df90ac833c1eb69208db462cda8ca3f8d6

                        SHA256

                        a4dd883257a7ace84f96bcc6cd59e22d843d0db080606defae32923fc712c75a

                        SHA512

                        030e5ce81e36bd55f69d55cbb8385820eb7c1f95342c1a32058f49abeabb485b1c4a30877c07a56c9d909228e45a4196872e14ded4f87adaa8b6ad97463e5c69

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\_hashlib.pyd

                        Filesize

                        63KB

                        MD5

                        4255c44dc64f11f32c961bf275aab3a2

                        SHA1

                        c1631b2821a7e8a1783ecfe9a14db453be54c30a

                        SHA256

                        e557873d5ad59fd6bd29d0f801ad0651dbb8d9ac21545defe508089e92a15e29

                        SHA512

                        7d3a306755a123b246f31994cd812e7922943cdbbc9db5a6e4d3372ea434a635ffd3945b5d2046de669e7983ef2845bd007a441d09cfe05cf346523c12bdad52

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\_lzma.pyd

                        Filesize

                        155KB

                        MD5

                        e5abc3a72996f8fde0bcf709e6577d9d

                        SHA1

                        15770bdcd06e171f0b868c803b8cf33a8581edd3

                        SHA256

                        1796038480754a680f33a4e37c8b5673cc86c49281a287dc0c5cae984d0cb4bb

                        SHA512

                        b347474dc071f2857e1e16965b43db6518e35915b8168bdeff1ead4dff710a1cc9f04ca0ced23a6de40d717eea375eedb0bf3714daf35de6a77f071db33dfae6

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\_queue.pyd

                        Filesize

                        31KB

                        MD5

                        f00133f7758627a15f2d98c034cf1657

                        SHA1

                        2f5f54eda4634052f5be24c560154af6647eee05

                        SHA256

                        35609869edc57d806925ec52cca9bc5a035e30d5f40549647d4da6d7983f8659

                        SHA512

                        1c77dd811d2184beedf3c553c3f4da2144b75c6518543f98c630c59cd597fcbf6fd22cfbb0a7b9ea2fdb7983ff69d0d99e8201f4e84a0629bc5733aa09ffc201

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\charset_normalizer\md.pyd

                        Filesize

                        10KB

                        MD5

                        723ec2e1404ae1047c3ef860b9840c29

                        SHA1

                        8fc869b92863fb6d2758019dd01edbef2a9a100a

                        SHA256

                        790a11aa270523c2efa6021ce4f994c3c5a67e8eaaaf02074d5308420b68bd94

                        SHA512

                        2e323ae5b816adde7aaa14398f1fdb3efe15a19df3735a604a7db6cadc22b753046eab242e0f1fbcd3310a8fbb59ff49865827d242baf21f44fd994c3ac9a878

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\libssl-1_1.dll

                        Filesize

                        688KB

                        MD5

                        25bde25d332383d1228b2e66a4cb9f3e

                        SHA1

                        cd5b9c3dd6aab470d445e3956708a324e93a9160

                        SHA256

                        c8f7237e7040a73c2bea567acc9cec373aadd48654aaac6122416e160f08ca13

                        SHA512

                        ca2f2139bb456799c9f98ef8d89fd7c09d1972fa5dd8fc01b14b7af00bf8d2c2175fb2c0c41e49a6daf540e67943aad338e33c1556fd6040ef06e0f25bfa88fa

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\python311.dll

                        Filesize

                        5.5MB

                        MD5

                        5a5dd7cad8028097842b0afef45bfbcf

                        SHA1

                        e247a2e460687c607253949c52ae2801ff35dc4a

                        SHA256

                        a811c7516f531f1515d10743ae78004dd627eba0dc2d3bc0d2e033b2722043ce

                        SHA512

                        e6268e4fad2ce3ef16b68298a57498e16f0262bf3531539ad013a66f72df471569f94c6fcc48154b7c3049a3ad15cbfcbb6345dacb4f4ed7d528c74d589c9858

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\unicodedata.pyd

                        Filesize

                        1.1MB

                        MD5

                        aa13ee6770452af73828b55af5cd1a32

                        SHA1

                        c01ece61c7623e36a834d8b3c660e7f28c91177e

                        SHA256

                        8fbed20e9225ff82132e97b4fefbb5ddbc10c062d9e3f920a6616ab27bb5b0fb

                        SHA512

                        b2eeb9a7d4a32e91084fdae302953aac57388a5390f9404d8dfe5c4a8f66ca2ab73253cf5ba4cc55350d8306230dd1114a61e22c23f42fbcc5c0098046e97e0f

                      • C:\Users\Admin\AppData\Local\Temp\onefile_3532_133626057806664107\vcruntime140.dll

                        Filesize

                        106KB

                        MD5

                        4585a96cc4eef6aafd5e27ea09147dc6

                        SHA1

                        489cfff1b19abbec98fda26ac8958005e88dd0cb

                        SHA256

                        a8f950b4357ec12cfccddc9094cca56a3d5244b95e09ea6e9a746489f2d58736

                        SHA512

                        d78260c66331fe3029d2cc1b41a5d002ec651f2e3bbf55076d65839b5e3c6297955afd4d9ab8951fbdc9f929dbc65eb18b14b59bce1f2994318564eb4920f286

                      • memory/3532-69-0x00007FF664070000-0x00007FF664D53000-memory.dmp

                        Filesize

                        12.9MB

                      • memory/4036-70-0x00007FF799EB0000-0x00007FF79ADE6000-memory.dmp

                        Filesize

                        15.2MB

                      • memory/4036-71-0x00007FF98CF60000-0x00007FF98E0EF000-memory.dmp

                        Filesize

                        17.6MB

                      • memory/4036-73-0x00007FF799EB0000-0x00007FF79ADE6000-memory.dmp

                        Filesize

                        15.2MB