Analysis

  • max time kernel
    177s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 19:39

General

  • Target

    c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe

  • Size

    920KB

  • MD5

    dc1a73fd9cb11527f17dfaf19664198b

  • SHA1

    4e3b17374c16730a51fe82199681630e5929d112

  • SHA256

    c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59

  • SHA512

    d0a2e4607d20fd98fd293495711beba3d48a111f6d8fd608c0b19e78ee7ca5ec4e56bffd755b9fa3984b115ddef81fc51f579d3b9a935bcd181d5a7da0b4be94

  • SSDEEP

    24576:h1OYdaOFMtdHAqcdDVhYwiei7+EpFAh/kKI:h1OskPHVmVhYwiLtKkKI

Malware Config

Signatures

  • Executes dropped EXE 1 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.

  • Drops Chrome extension 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe
    "C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exe
      .\3jpEuHirUZxySvx.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4228
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3540
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3464

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.dat
        Filesize

        1KB

        MD5

        357b6d16cbd6bf056fd35191abcb622c

        SHA1

        f504749b2b52b69e648faf5c5e706fa37dc7d951

        SHA256

        41c56289ad381d8d1793d3d0b9c23107913c9f7a87ed606e3b668d1af133c55c

        SHA512

        6cca6990ea94e991821474f7008f867529f709604e5eb68592eea6990a71945f3619e2277b1ba5619ecbe6cbeab93be8a19f2159c41a3803833fcc288fe3e7bb

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\Wv0cluOor.js
        Filesize

        6KB

        MD5

        ae84da23e13506173b326bcd0ababf18

        SHA1

        7c29964df68a0ebae32fb057982d759ab9293480

        SHA256

        a78456e0ed2fba2fdef5450f29b71bd485c043ebe0a9c5a5eb97acdffba196e4

        SHA512

        f8123c8f5ac064abc1e442850f93b05afc8f925408242bf4d4f26adbe85147521d9f289ea2ec49f236a5f51282e809f0175c5dcae894f3a97a73b58e37455271

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\background.html
        Filesize

        146B

        MD5

        73cd240a4eaae741662a2270d9fb0874

        SHA1

        a62433d9515d6efb83a508a1700b2bc344ac3bf0

        SHA256

        1bee8d04fa4378fa498dec634ad2c67bfceff89ab524f306c9229842ff2b5bf5

        SHA512

        3547ac3a6d8f7c5079053ad86989397c8fb606c8ddedb9071b483006985be06ef3cd82d3dc1eec7bbb08a27f678ec9a6f17a5149d86246025eda72a7ba01b102

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\chrome.manifest
        Filesize

        35B

        MD5

        6ff6a14bf7ae23db4caac9ec76326dad

        SHA1

        c03080b22c18619dd634139c7d51204325d6e325

        SHA256

        3af95debf3433bd42aaef48c5df7f908640d28c5a6430aa38735a14713f909df

        SHA512

        36aefd2e4a5568af54fec41f560885d7d1f790d89a1ef6b11da61083ed9d9a52fde0a0293b0598a99d01e110993443a3c281b1313ed0df5a0eaa68608cb4e738

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\content\bg.js
        Filesize

        8KB

        MD5

        2a5f6e04eadf6ca7924ac61b82a2ad13

        SHA1

        1fd3d21c710e29f3c455bb4502beb6a65d6b7e24

        SHA256

        74f53ac07b125ac9aa74eb9d017eec5eb6f81688e8d683e3b43d657b75243f43

        SHA512

        f57148f4940e5d09d9749548d56a02f18c2d2eb8ce6ac02d6e484a4c8600127564d55fd300244ece9647c2c10408338669df9463327aa1b22380d4e6123db4aa

      • C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\install.rdf
        Filesize

        592B

        MD5

        5e6489475b5df2cfd5b4356b81bd7fa2

        SHA1

        4b879a2ad4c1e5010bcf334c00392c6e11e908b7

        SHA256

        48aa65c588fd26866e5f75273fa9c65a702cacac90b24e10299bfeed9e72ba06

        SHA512

        eff4d0f6456dd91d49c471167f36a1bf900c58f950350b5ba80beaab169965d0234c554d7399930f342b210ec358882bb85ffaa9d683bb95fa8bfac54cc67fcf

      • memory/4228-132-0x0000000000000000-mapping.dmp