Analysis

  • max time kernel
    151s
  • max time network
    161s
  • 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 19:42

General

  • Target

    c287c31b10f75b951dd9bc9af90da75fbe39cb4465777856101e3e338342616f.exe

  • Size

    931KB

  • MD5

    a05f8bc2140308f71166c48616120b5f

  • SHA1

    859839975fd63309273c7905faa4e1973a25d822

  • SHA256

    c287c31b10f75b951dd9bc9af90da75fbe39cb4465777856101e3e338342616f

  • SHA512

    e8415ad43a94311bc08b8038643d4c48f1cb155e54986106761bf190f26e8d578816c76118248df38ac644f0df9a0173a772428f382791505d7b68f0926f7003

  • SSDEEP

    24576:h1OYdaOHCZ/iWCvu/2sWsJA/jlt+DHhsq:h1OsRCpYO/dJJDHhsq

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\c287c31b10f75b951dd9bc9af90da75fbe39cb4465777856101e3e338342616f.exe
    "C:\Users\Admin\AppData\Local\Temp\c287c31b10f75b951dd9bc9af90da75fbe39cb4465777856101e3e338342616f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\yPVTHtESzS6eRNa.exe
      .\yPVTHtESzS6eRNa.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2140
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:5048
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:5072

      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\7zS9501.tmp\daZzLyaDO@ys.org\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\daZzLyaDO@ys.org\chrome.manifest
        Filesize

        35B

        MD5

        a4e181cbafb5fd2ff1cb7af472a87441

        SHA1

        ba90df37f5956768099ed33f88a62bceb6ac2919

        SHA256

        473512cb27aa287f9ed7d281bb633e751db77ca0e92abc4b8232f5ffb80ae534

        SHA512

        053f6374b2c6de3a86e9fed2576f1e2e590c86c5a9f42cd26219a28cf45b40d42935c38faac7fd824e9562c873f306498b1995c69976b08ca812045cbea2f648

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\daZzLyaDO@ys.org\content\bg.js
        Filesize

        8KB

        MD5

        92ea93023a010ad028309c44b928dde5

        SHA1

        18cf3be0e36115340c838f0488ffc42cd6950ed7

        SHA256

        0ae60e4f996a0a6936bd6022ab5bd4a6473f6ac765fd22dc216a9622d6ce163c

        SHA512

        59b30de5a68205c2b991f11976351c6675dea2014b7db4cbbd11ba0ef6592248c90f98f60dd03a9847d048ad42ec7e732b6edd3197e7b92d67712191315e5fec

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\daZzLyaDO@ys.org\install.rdf
        Filesize

        599B

        MD5

        db19472bf43373639195100a9099031f

        SHA1

        66b5c729e4038cf9a5f47decaaf8c0b72a01f3bb

        SHA256

        e85ebd6893243a7e08a21f3890ab38448c33cf405ada00049ce7c03b33ac091a

        SHA512

        4fffee2b648babc0ef6e80597c0f4737aeba19b29c01013b2f4c319ab54b9b991b5c13e0a4554688ff7cd42c016efbb325b563093823b0897a3dc7641bbe9be2

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\pefdigjejgmnbkghcnfgljckhedgbolo\background.html
        Filesize

        142B

        MD5

        54093e76716fc48da03e77d73319833d

        SHA1

        b34227bc9c171dbd8d0f3332d9eac9be8c5574ff

        SHA256

        0ebfaf4e2f4f855f436d4cdaf9ae79d0e0e70388501bcf431d16d9015f45ab1f

        SHA512

        d361ca5955ca9d84d2b8d105d8d265a4032c77d4640e11e5076ff0fa50e4cd45bb419f7a04cba4e35667e98cf8c78b1cd1fc8080dd42be256cf43450dc0ac4e3

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\pefdigjejgmnbkghcnfgljckhedgbolo\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\pefdigjejgmnbkghcnfgljckhedgbolo\cxaFq.js
        Filesize

        6KB

        MD5

        d4c41cc45145a82bd19026af794a6415

        SHA1

        b6e258a0561477cc6c6eff21ad072fbcf4588029

        SHA256

        c3bb149b5a990023d52a15e9f77d66a9bf09e9d4a3315c8d0462cf85023ab9d3

        SHA512

        abe99d4b95abdd7400e0b98647928db5a0a42c120aee8adcc87ea5bfde5c1e0a1345fa8b05d7baebd2032fa365908c422057b04d13f070516dd351125ff92a9b

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\pefdigjejgmnbkghcnfgljckhedgbolo\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\pefdigjejgmnbkghcnfgljckhedgbolo\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\yPVTHtESzS6eRNa.dat
        Filesize

        1KB

        MD5

        322d127b2dd59f1d88a1b225d8c486dd

        SHA1

        aba347efecf9d4fbfe18809c03f1f240787cad88

        SHA256

        3a614cd85ecbb0cd2ad726ef10a7e855995f47809ceebd5addadf9d766f5260a

        SHA512

        7bda9ab1eefaa90a631d4aa634e6be663217b9e0da9302fc9634fda9378baa69d4c92939b9dfa9028b2ad75ce3ca4668ba7a32551628cae88307c741a041e069

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\yPVTHtESzS6eRNa.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS9501.tmp\yPVTHtESzS6eRNa.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • memory/2140-132-0x0000000000000000-mapping.dmp