Analysis

  • max time kernel
    149s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:55

General

  • Target

    4a3df082655d7cb8f0cb38ee88b195a5ec7cd866472d8e5fe92af148a229fff1.exe

  • Size

    920KB

  • MD5

    238f83c19c7dfa4e600c04ee43ce2165

  • SHA1

    80b4dc634535873595270744f99e0863eb42dcab

  • SHA256

    4a3df082655d7cb8f0cb38ee88b195a5ec7cd866472d8e5fe92af148a229fff1

  • SHA512

    de93aa1b6652dfafd34ebfa31335b423e31d715ea46af6714a24359cff79a69b164fe8f729c2da033c93d8edd01a6e1f9dd7d1f163b0f812a2c8072f1d7ce48c

  • SSDEEP

    24576:h1OYdaOwMtdHAqcdDVhYwiei7+EpFAh/kKI:h1OslPHVmVhYwiLtKkKI

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\4a3df082655d7cb8f0cb38ee88b195a5ec7cd866472d8e5fe92af148a229fff1.exe
    "C:\Users\Admin\AppData\Local\Temp\4a3df082655d7cb8f0cb38ee88b195a5ec7cd866472d8e5fe92af148a229fff1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\n0RQXzmokf2vBKm.exe
      .\n0RQXzmokf2vBKm.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1216
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:1608
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1732

      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\7zS9B5A.tmp\kakffaibelgdlodjepopkfgadbhncjdh\background.html
        Filesize

        141B

        MD5

        7dc4f59fdf2eeeb0424728c0221a8123

        SHA1

        cdfaa246262855945c7cdd6c41a08375d9020fb1

        SHA256

        8917551c0828a05033359e089f53a7f71ceb32d80168b6144b77ee90c71346c7

        SHA512

        605f96fab479cb4a1d2950b648340b455a773df9cbd131a3ce61a26ceac895f42539207e878022862446e13d946914e1c2262f5ae44acfa797eef24508c46c13

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\kakffaibelgdlodjepopkfgadbhncjdh\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\kakffaibelgdlodjepopkfgadbhncjdh\hLcm.js
        Filesize

        6KB

        MD5

        81cd21d791328bb73db66600701ce17a

        SHA1

        f3bdf39917af77bd03e0a817e3ef5c978a01d7ac

        SHA256

        88e89af6c76da25d76805d66f0b31c2c6b13b27916bcf9eda6209a264775c99f

        SHA512

        fe85e46a2bc3144cbfc038fb99820f9355d780d7b8bd1ea5b61befb84b53339904af842428189c765f8fc7895cd43b9c5734b43505ba8f375725b0903722b5d5

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\kakffaibelgdlodjepopkfgadbhncjdh\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\kakffaibelgdlodjepopkfgadbhncjdh\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\n0RQXzmokf2vBKm.dat
        Filesize

        1KB

        MD5

        0a7341ae7e45777c930514ab4d98c11d

        SHA1

        bc0b3a84f59aa4966df77cef3a4ed4d54343ff4c

        SHA256

        2d36161fbf00e20037f3639e4782e385cbdb12801616d98d65f9cd6a5403cddf

        SHA512

        9adfebc248ef252102b732e7029077c82939d5bd781e5645d29983ac71d4bf4911ee3a83812145decc6fef9a35d2c75560621607f8e53664b7c69d7a3339aafb

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\n0RQXzmokf2vBKm.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\n0RQXzmokf2vBKm.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        6a6ec745ca717f26bc363e7ad25085ba

        SHA1

        4a03aadbbb6e15b0a6e06d72654c075325ca7473

        SHA256

        64d7abb450124d5051de30c9953c4a72dde8fabea305b6e2a74ea81cb86e304e

        SHA512

        3e84828f99292bf7d9dfd41ec7c36f27d3f3e3eaf0811cb3a725b73e7a52a3f0823b5a63dc77d405fc413fae76c87def77526e6a587fdb060e33cb49bad9fcdd

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        56e4e2337e4f7ef13b5fad44658a9005

        SHA1

        c5c7ac12b38587d93e74b8b714482f79ce8477a5

        SHA256

        15bf44b93aeef7e64a1bcfeddb844b7b0d6664c1c10d778efab2345d57e8de0e

        SHA512

        5aada0960ebf8eaea59e52e4a7fd5ee10090742081fd586571c7b3f62a423372cd77db792906cb1292d9652c869ca63ddfa3b8600076565d0b8fda9e4c0dc2d5

      • C:\Users\Admin\AppData\Local\Temp\7zS9B5A.tmp\[email protected]\install.rdf
        Filesize

        598B

        MD5

        23b48aa62d27b5327682c616addf44b4

        SHA1

        89312dd80cc260e88ad67651a400960462a414aa

        SHA256

        c644059d973371722e4f9108c07363f0a4f3128a1a7a4c4f3f310ff0560af75d

        SHA512

        4ef262adba1dfa605c403dbff85e00d9c2c6f1f7db6a6039b1f7480d5315bac62b3982f814c5beb0d247958a06898a02500b611002009885ca4ac49c1f7438a0

      • memory/1216-132-0x0000000000000000-mapping.dmp