Resubmissions

28-05-2024 15:28

240528-swf9tsbd55 10

28-05-2024 15:26

240528-svjnkabd22 10

Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 15:28

General

  • Target

    Stub/stub.exe

  • Size

    1.6MB

  • MD5

    6627adf7167ee571e8fd6c8b1a0e8ae3

  • SHA1

    03b9112660ee73c59d84e219f15bf24ae9df48db

  • SHA256

    6c5935bcddaa1d4f809487f66db758e892cc0a7fd7704d138904bc879644ea1f

  • SHA512

    e05896a6e0d09d4dafeb2467395ca06ae1e728a4aa079041dea82940caeb71646984604fdeea482748423b10257b8462db4f573682f9f719939143fdb5691c60

  • SSDEEP

    49152:19Tq24GjdGSiqkqXfd+/9AqYanieKd0U:1YEjdGSiqkqXf0FLYW

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stub\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Stub\stub.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch&plcid=0x409&o1=.NETFramework,Version=v4.8&processName=stub.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2780 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2620

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    46eff0a7f8c3cb29bb7f3f816de6221f

    SHA1

    e938e18097b74ac02bbf6af2d611b2d92b09b7e1

    SHA256

    371588935eec1d26c9fa55301e8bdc31a7386003ae99897a3b7e89638cbeeebf

    SHA512

    7908327c4ae44fafc230ffa20f63cf9456b08902246df87edcc935af25f1a99bba5a9b30c7425b2f8f79a87cbe89e9c8754522e8e1eaf184e792e02628235c52

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    47fc62a1adfee66d7132c3ab498727fb

    SHA1

    13a94a8a051eea8c065f598ae9fe78f066da76b7

    SHA256

    3ae8d262702137b6ca3a414deeb52125810096058ec031406e3c906936608eee

    SHA512

    5d4a861de27d26e11337583a512853004f7e2a1e3e00904ada25e58e8a951013b186b4f49df6165d6c259f6d7d8bb327c360d1b822a4c800a6bf1bf45cd7d19d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    7841ebe132c459215e841f299b5fc006

    SHA1

    fb242e0956d9002cb4d3fd2345e6bc844b9458ab

    SHA256

    bf8e56a7acd750a9cf59bcb621772301b35bf83f68e0dcf31871846671688065

    SHA512

    e25e96113a8340fad80a9f30051b0e9109e6f61428df3bb525c9c51427d27e4dc45b43de56ca85bbb1959f306dce07bb73cf84b2c5b4cf02d7e8f30e9ba622d6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    1cf186639d45c5f579c95b575566060a

    SHA1

    85499774e4a7b4c616c6f6841e295f835e1d10d3

    SHA256

    870ed9d6e12041784fb241302cbd5e523a627a23ae9aab95a3bd1ae13eaaf176

    SHA512

    fe13ee236e3ee836378e47835c0787746c0ea30146e08cad2e5843d10908111b9eaabc9cc4ab7402e2e83939152fd9e0044dab0c240ed241f12e9333793178d2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    be8a4de93ae0dbaa5fe09fd9524e55bd

    SHA1

    d25e139129d60b59af4df485d45b3e205a1c1031

    SHA256

    41e202c1f1269a9d516e6aa1c7a54a563cca3b5f7e19456961e2a3cd748cb916

    SHA512

    1601705e9d175caf56b4ea36377dc7aceb30c26557839a375b25c3ca1d358f6ba5af8ab3d710fd8d9f9572e06e749c9dec05b0d2146822902468986bf72d2a33

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    5a1e6058e03a7889ac3866b3940e61fb

    SHA1

    f40b498f7076f693909c6935c6e3be978fed8c74

    SHA256

    352e202d15b19c2c6e844ba11296e40a6612c930cb9af048b70b10d19f7c56d4

    SHA512

    234c296e7c9e621c1372b5b272605ad4c7f036bca9768b57fa9a704f1d177120e440a4ac0c29d8186f6a38d80ddaa29ea4a51f2a899c584259877c01e6f6033b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    9766fa20113508895e3383cb9c86216b

    SHA1

    99d670ce2b86ea3d9f985454d88e925d18aa7b18

    SHA256

    3d7f21b733c7452fa67bdba2a38ccf737e1890633365b5cd1f718da6bcb85098

    SHA512

    fdc42b2bc3065717a077edeeb1f3bef98b9b0291024122c2e31fcab738c242d754398246ffe710a550c403329847141fd0b3007668f8e9c636d180626f3f9d66

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    6c1d9b6504a18e6058792dd4677b3702

    SHA1

    0ade974c6a9bada3cf20a7ca793c5c6ae2d3c6c9

    SHA256

    723845ba266ecdde7ec3b31f014eb4da072baf62f97a35775443d2eccb75db0d

    SHA512

    df4dfa6be8f54596711fc7f27dee2da763c7a8fbcf1722645671c1b7baf373317ca523076bd57ab5c004aae09c0c3011553a83ae020490694da23cc68ef294f5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    1a49b5e6109c776bb577e0aefc96b836

    SHA1

    b064e5ebaba8aa7b9b84f5e4e5bbfb7089b40dc8

    SHA256

    caae2054062e77c9855c41c4962ad5eb8f3ad470817fb412da1ce3a1bc930308

    SHA512

    c4f4a9b502c98b3016365837840b78f78aeb05ec289474370184b4f4cfbba6c48647d7ad1d95954aac70b9524b567d84dd4b21d71a42d38edbfb6c213d47d0d4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    5bf72619d0020b4ebe44b18279c54661

    SHA1

    96c2bcccc053563ee0a1fe3e1a71438230ee0754

    SHA256

    4c98fe9a9c05903c280d42ffe655cb72c14f2ddbef568519884f54c2ea7cb171

    SHA512

    10cf98d31cbe0726ea8f8315860ccdd001e3d0fd4bbc3892caa25a2e7f87be4557c11a68061cfdc6e439231f69c31908f99ecfdc228227dfda3e55eb48837ed5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    a7f9579dcc29c03efdb4b7b11ad0209b

    SHA1

    334c2e1fd2be258c2df0f611fb0cbfc36a44fa72

    SHA256

    2b098cc79f5a44e0e5f3afb6ed814980461fecf6d16ac50ba034956207daffc0

    SHA512

    aef6dcb951f64b2de022b168459e9d933a6e8f37bcd88a4999557055b2c516186121dbdd234fb9f5c30c7a3aaa6db7e4c4f4b20208f2d3fc4dfcd81168238be7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    3ed32518c37bd0fba24f989c65a5f295

    SHA1

    444da9425077af1a864d60e1951570e012e5da59

    SHA256

    32871f0a1a73d8611b87dd5318a5c9233d574f7f67587f3647b40a619e707374

    SHA512

    e207babc0033f5fa2b55a73610aa1d691c7d5853dcbfc476f3991fbdb55f692f1a12d2400ea83dabac723f41ae11a2e03ad27e088a91ddb03da9ea477daae412

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    a4e1009b0b3bae06507621bf2d13f8d6

    SHA1

    f6dc3dda57e4251f7ef897252d6c21158aa495d0

    SHA256

    623c917017d1e01f1bf402779282a84b33def002f5de72f1677d584bb12ef742

    SHA512

    54ae63db3f1ca6f7ab3c342bd24b55706f214c9ef40ebf16c04dbd0bd3f5d07014bb5058b45f9cbc96a9e23b6def951e257742b28068bc6ea318f06e0de2b437

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    573d6f9ac3d2a4a5e02703ccd9d80cff

    SHA1

    933fe4f70c578057529fd0dc8b5fdbad16c15e9c

    SHA256

    f1f070351f5c7b9ac065d9ed39c9aeaf897771d175b01e61f24fe8bfc4148fb4

    SHA512

    d43441bdf9d74df1a232f43299d0070400c0cd813627871cd103124fa12e6802de58bb3511f0bceff9b4b15b2073e073dcab26f865cf31194edf0a6c55a8a157

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    b16d91f88d23b3fece535e4f6b9ef7b1

    SHA1

    dabcb5f61f04a859a0a84fce3c7635647208cf1b

    SHA256

    43bc31812ee0f08e41e433703d46aba0057d306420b74419ba0237b89d7a6002

    SHA512

    87c7b5bf3f584dc333ec4d8d539bacdb4d4dd9b3a6004d0b7bb3a0e98069ed6a4a60ae6091a5ebe28ef317145d75233cb792c21e26497aba4218b2a84fd9eb77

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    2f42e08bc7eca66e34cd518e29a32410

    SHA1

    2f9f160d3db80b648dd5157f931fc9123c91cf4e

    SHA256

    807ba81b1eec9ca2dd714365a4efb8284bef335c29f139f29a5974c8bf237cab

    SHA512

    e16757c9622985142ecdd113c09ba038875322c149a7d8bfb0c98aa6b71cd02fd5c7239e2b8a8fd597434561b17f3b5f1112a42bd1265339aff64fc49f646c52

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    f71e4c54da156dd6f8dfe57f43613deb

    SHA1

    804020b9e4cb6affd6ba7f35545afdb2be1a56f8

    SHA256

    a19eaf4ca6f7e5198157d80b5eca45079b21c3bb25eb08c21fa995778504f461

    SHA512

    d4481ec8e7d5ff80a84aee3bb3c4d2ba2595e726a55fa6c08a47b6d7d7426a6d117062dadb1f5ac990e4bb76785c93ae21145ecad29d5b8b1cdffca08524e383

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    bee84554047d50e77b437802d75d4174

    SHA1

    5d444271a734f1ed7b608f2eadb3c5c157ff192e

    SHA256

    4d61a7328f333d0af59cb8271c5cf1cd302be5cc4eac976284798009ded87608

    SHA512

    29f9d9015b4fbb3889d219f21d5e87174ae64b3bb0dbe141467164a1004b24bfeb8ecf35c6959dc7c65214018e75bffc4313c630d3c69d489781802b3676c464

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    fdb18d55604f5d3573e173f711eee9ea

    SHA1

    ebea0006201f7d25a806e27d49bc7bd7f8e2612d

    SHA256

    b72a490ab51e83f76afd44b2b8282e9c812908ed0caa9cb477c4645656240b96

    SHA512

    8c1b5a6231c5c5d471313ad28c3c8de4a65b29e6ba3c4175db1b7e0a84b8ae7f7cde4dd6b6532af2108232763731b4284c1be328cf3e5e10ae653059dd45b04f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    5d243873534bd66bd4eded73ce80e9d8

    SHA1

    0388f0c753844e3929f7ce4fe80cfb0f6b00ebd3

    SHA256

    363446714dfed4be3376df7f32690b97b911da3e74fb3f25a04dad7bcb4a308f

    SHA512

    b31ecdb965ff211669a98846a752b61e155ce2ac9d44c2d264fa4f90ba96146ecb85a0e1eeb84e7f2663df10b0d9726b821339798ea71d9219e5266c9f9be3de

  • C:\Users\Admin\AppData\Local\Temp\Tar352B.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a