Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 09:26

General

  • Target

    2750ea36f628af6409e7de9a7690bac28c53ab1755597ef20adc5477279ccbfb.exe

  • Size

    250KB

  • MD5

    73d732dd07bb638d8b4d173d1cae4410

  • SHA1

    76121208001641892a3031d698ee0f0998047278

  • SHA256

    2750ea36f628af6409e7de9a7690bac28c53ab1755597ef20adc5477279ccbfb

  • SHA512

    1a0eff2ae73f03a398c55d9c160940642535dfe1df5744dfe1f855331aa0ccac3eed97a368a3f65fd438fe18b166b8279f12dadf8db846e38fed508faf4cd16d

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5LAR3Xqi+PVAjDzH:h1OgLdaOcRR+Y

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2750ea36f628af6409e7de9a7690bac28c53ab1755597ef20adc5477279ccbfb.exe
    "C:\Users\Admin\AppData\Local\Temp\2750ea36f628af6409e7de9a7690bac28c53ab1755597ef20adc5477279ccbfb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475c69.exe
      .\5065e9a475c69.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\wxDownload\5065e9a475ca1.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    4b6e817a78b96b381829f64dd5a65383

    SHA1

    709d7f4ba81c0cba10542e2a262a02a46629b699

    SHA256

    6c44bd44f2a00cc8ca254ee3a61dd4ddbd772589e299c253439a3974ed2db63e

    SHA512

    88b4ae8d906d1b56fbcbc4f57068bba504da0d7986f2673488f505c7e5b03ae6dac80f6abf394e7f59814ee7b6ba1e8d3af8ce9eb598aebe740f54caf8229a42

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    7dfcdbad35f3565b8fa3fc5a83f9694a

    SHA1

    c0299ffc967a1aecf78b83b94b97b98b6738eb7d

    SHA256

    e018aecae1c90b593eaad4c4382a548ef46bffc98d3fb195f1317c58793e903d

    SHA512

    643bef53355accc440183f17ce5c0cc4a0bb4708c9e6f14304ea29e867e461efba6c9c4e9a2ea51229bcba5213596e535c5c91fe10ee30ae053937c8f8e0d639

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    e2b4030037f54c9d8ed61b9981c762c0

    SHA1

    fe414220e65626970ab42b55648baa94ea9ae3cb

    SHA256

    ca3103c2a95bd164689c4db1f15c4d7523dffd9555bab28f5412e5bde9738c5d

    SHA512

    3f3efa4d9eed2cd761f5b1bb128045d918ad5c85d28216e1cfc5d570333bd02ed5437b859af9333ab1b3443d47b2eb80fb6700b9edd7993aa48db60d4159895c

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    1f2819c9600c96f815ba7deb4581b670

    SHA1

    44135d952a56e7c0943aa3521064bf2e67556808

    SHA256

    8f99582e45e4e14cd5449a3b0c42282f12275a43538eacf3c33623c69890b762

    SHA512

    80ea6502c4a2f2bc60d98c2eefb884122dee73c7e82a5c074047640256c37afbb274d6407abadca6fb8dc1ec5b76dbcc522a59c63166ca767946f516a8226229

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\[email protected]\install.rdf

    Filesize

    717B

    MD5

    4f327e98cf7820bd9c80f3218a0d7593

    SHA1

    b7c9aaeb1f49e0496dbaee30994f3dc7fb54d8c9

    SHA256

    c567bb6e599ff2595dac083b958cc5716d8b2623f0c01ae0acd11824f0ee3180

    SHA512

    c3e3e71378c182b2871a16fef0d94118aa0712625f66d351095be4f358b91cb723404fe54b66bc39c0dd01129eb12ea9166694ab80beafe3528b5ab2e5f021b9

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475c69.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475c69.exe

    Filesize

    65KB

    MD5

    4ccf1a317aa8539c857835e4ebe9c806

    SHA1

    223b73d09d7398f40aff3ccc569e66cae3886ee9

    SHA256

    4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

    SHA512

    ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475ca1.ocx

    Filesize

    151KB

    MD5

    c78c6140cb88ef4dc94f999291bb5ab1

    SHA1

    65b47ed5ec889e0e558c79a13a81193fc59b8ce9

    SHA256

    6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

    SHA512

    ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475cda.html

    Filesize

    4KB

    MD5

    2ac106883ea5a354c75687b723d36a0a

    SHA1

    7d3ce6a5e59ebd74cc5e1c0fb01702e3fbc557b1

    SHA256

    8d785a1ca91a3d78d24c11a17dbab87d03a2e0656a24001cd12fe29ff7161a3c

    SHA512

    6ad6556ac56d6d77457b533f74ce4c720c2d4272acbfcdc89b02118585142eebdbca32660c73bb82b665e0831ffeef2b5bb98121c93c87fd4944c857e0276448

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\5065e9a475d12.js

    Filesize

    9B

    MD5

    99fa5d714d971a49b67de27e0d8871be

    SHA1

    d0621e846ea60fa8d0b2c8e622e495af49cd7359

    SHA256

    f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

    SHA512

    2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\dkebpgoipimdlmegjpmkgommmgcilimm.crx

    Filesize

    7KB

    MD5

    de35bfad9869e73d6891b53dc2bd077d

    SHA1

    6d69e002e924f3bea26ef837c2c6bd3fe91481e0

    SHA256

    fdcc9eb31c30fedf6aabdc420eafe10d0126afee805bafde928bb9f8002314d8

    SHA512

    68443c5354519b945537c2095acab672d9571f2f603603342a05ca0f5ed3650b247170bfeae128016d7cbb0d6c9f44012c8f2af69b03cadac7976e993652d237

  • C:\Users\Admin\AppData\Local\Temp\7zS9E29.tmp\settings.ini

    Filesize

    903B

    MD5

    cffdeccff81b139f326f5500ec376060

    SHA1

    da9a2e3726db6d0b200a0f502eaf8fd5944c4859

    SHA256

    7e4b81e2cbccf03ac173600d1bcb14395c0e31ef233d8effa4e5c053dc26c5df

    SHA512

    c412cfeda0b00b57c4fefe5b91d86222faa1e5616d7c84297b1dce9a7de48cc943e708e319327073efa0e2ce75d83039f9c78885548f2cb8bfb74ee77fd2cb9c

  • C:\Users\Admin\AppData\Local\Temp\nsj9FC0.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b