Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:16

General

  • Target

    a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe

  • Size

    932KB

  • MD5

    9a1e03dcf6d9482e3d575bbad7214510

  • SHA1

    ff37384e598b14e718512343caff2b6563536853

  • SHA256

    a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3

  • SHA512

    0776b1245f30af98540dbdc5f71c4cfca3b3f4669208c386fa8d11522e4a4b4aff98c0813d2c90576d95356e20ef24064eba7b0742db21ae0c1fd90053120cb4

  • SSDEEP

    24576:h1OYdaO3CZ/iWCvu/2sWsJA/jlt+DHhsR:h1OsRCpYO/dJJDHhsR

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\a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe
    "C:\Users\Admin\AppData\Local\Temp\a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\8V8kyUruWWLfUxN.exe
      .\8V8kyUruWWLfUxN.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1056
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4668
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2336

      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\7zS77F4.tmp\8V8kyUruWWLfUxN.dat
        Filesize

        1KB

        MD5

        8411904d70bb6b389fd0e972bb112453

        SHA1

        23b1aca2158d41c936776a06eb208a931589b7eb

        SHA256

        08e8235c7cb8229d28b366059bd5f6d49e9030c2181aab619230c3cc5ee613a4

        SHA512

        e3ba3808beb35608bd1649847252658435c0a9ef91177342aaaa5b4d34cce447ca7fae4f6857da66cbd6e9a6203549767cfdca84c3ea7a603d2707b41e29b13f

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\8V8kyUruWWLfUxN.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\8V8kyUruWWLfUxN.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        74f1d584c2e9898af85efbe8b942d713

        SHA1

        74bdda885d485071e94fd8234a56ab63b00a1829

        SHA256

        a653cbf7ddd4d69491749a44208daf52b793158c61a4a1dc5e6d7dd002c69712

        SHA512

        4ec840029ecb072a102869f1dc1a5ad023c5ef67c0162462a259414687a7d711a0732a555c45a7dcb2b8e8d91b3f710a775532afe4544428b493b4f33cde473d

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        f25d044685e4cb6d92f3ca50531c6a1a

        SHA1

        5514464333e619ebbd7c130ffaf51e6842ac2d53

        SHA256

        354d2bf211f5b063fd0182d29ec4c4cd1d7143bb30ec681aaa13336da8e3a150

        SHA512

        f6d5b477dffe844268e46be5aad752ff4499320263825830bd833ca5b7597710b29b3104e10234b2716036807552269927d8ef716cde3455d54eb8b53594a739

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\[email protected]\install.rdf
        Filesize

        590B

        MD5

        ad80112b4f851db7f6733fdb3b4ea39e

        SHA1

        935b2b9cf72235703f87bd3648d3233e489dbc4a

        SHA256

        bdd95ab57e63484fdfe2fc198c90a02dd6a87873abf7cc5c835be2f854467abe

        SHA512

        4740257baa0b4e115cfb5d560d49e0aee89f9f9d3b7cbcb23f7b1492058cc564524387e7f66a725169986e4ad10906b0eed3db33736fcb391e22dc7fc2743320

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\background.html
        Filesize

        144B

        MD5

        4fdc900a736164de9c1c5f76c6b8d833

        SHA1

        71dc3bc97a95958b40d47f6c83cf0ad6d6a34ab5

        SHA256

        0a8bc1e1fa34b174f99f2b0ee0d89b975d1e77ec628bb920e5bedef59e2ef72c

        SHA512

        fcec6fd8663f66e61e21bb38c1b10b6fbfb5d0821ff564c99d133d8c24290313722d18a135dcce68e4fb59cca3c13f176e32dd54548f30a3d021b088fed5b12d

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS77F4.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\tu9Xfv7.js
        Filesize

        6KB

        MD5

        c5503a9643055a26548040655d36b266

        SHA1

        b73b8b24dc38a79497a04f167b7f8523938a7ea1

        SHA256

        4ffc23b0ff38114539e5949b80b2f601f0d3740927aad046f043df54acc2c008

        SHA512

        303b69891a189cbb18e28541e91674de73fcd0ad4ceb7eb682cd21994d6f0b12dc8c356268cddda31756e37d701065c4d7633ed6be7723585fa61db43b19a59e

      • memory/1056-132-0x0000000000000000-mapping.dmp