Analysis

  • max time kernel
    148s
  • 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
    25-11-2022 01:55

General

  • Target

    4a563e86ddcfd109932a5dd27c7b6d8bba4114cd33df9020b5279597843d6efa.exe

  • Size

    920KB

  • MD5

    6b0171de35b99908cf1cdb0923772c2d

  • SHA1

    f2a55f80e75e9859c8b39c6792bc64c74b1b3c9e

  • SHA256

    4a563e86ddcfd109932a5dd27c7b6d8bba4114cd33df9020b5279597843d6efa

  • SHA512

    a186bb8a2bebe0e712a93d1f19c71d966178331b24e28dd7200df61ad05f949dc90bf0a1bd5f9b518f1fa0902fdb66f91467ce5a0e69eb9f165137b1ea99fe1c

  • SSDEEP

    24576:h1OYdaOdMtdHAqcdDVhYwiei7+EpFAh/kK2:h1OsIPHVmVhYwiLtKkK2

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\4a563e86ddcfd109932a5dd27c7b6d8bba4114cd33df9020b5279597843d6efa.exe
    "C:\Users\Admin\AppData\Local\Temp\4a563e86ddcfd109932a5dd27c7b6d8bba4114cd33df9020b5279597843d6efa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\xyr2WL67m9vxJud.exe
      .\xyr2WL67m9vxJud.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4736
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3232
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:616

      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\7zS76DA.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        7f24fa209363166ec0f48999a337ea80

        SHA1

        0bba703390e4e8ca07b12eb63365e19d936f3e55

        SHA256

        d99d2c07d79cbd2fca5a8d01cbda9b81acad6e1a83afc5046be02ddd20743176

        SHA512

        c304299b4a2cdb0f8246e7103492b87e87ca7a442a3ae5fc789918527b8a306a56408ed6b4f09ef7eee8f661e0e24dee467bfff00bf93f1b41d2e0fcec888f36

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        f7dd6093830fb97e3e0d7dea0b2986e4

        SHA1

        b1c213bfa098a60c47df8ee478a0151789aef6a3

        SHA256

        cfa87e6a13c578fd1942027879950823e5dffb8de9d1d32859473567fad80c80

        SHA512

        02673bdfe0ab11ff1b8db39db1f622b5d8fdf7f83ce198ebb59b5c575b6e32fd8a90dfb948e780951068547214cc0479564b6fcd8a15773bf5fe489e65016c53

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\[email protected]\install.rdf
        Filesize

        594B

        MD5

        84c8e2d3d10b8ea2b145db96139458c2

        SHA1

        b9972ff1adf8c0382ccd9f74fa935861a77a4772

        SHA256

        4f0042e6da84149280b31099fc8be88395a4c19e822ceae14926c66c96b1ff71

        SHA512

        4c1f286f0998c5b24b6050e22971c9ad1f522eb97d4786204e17fd58dd0fe2b5e156d218a7ebb327973b7720ebb78ed7bebb91bb1340fab18ed2b0496099bb52

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\eeiiolameapofplbapkljhgccpelgkbo\Rxhue.js
        Filesize

        6KB

        MD5

        533ae830f6be0122668d0f0db1ccde40

        SHA1

        3813f3bb9ebfe58c671d592f23ebf17fc4612410

        SHA256

        57084900d4431ed6a00babd32072153aada8f2c2f1f758ceb906abe97c22f630

        SHA512

        5af064eb8913d042149222bf70442cee717514c824f80ee8b13b01d8e5539cfb7f54ee4fbe854411b20a122355d81440a3b2690a2a075ace2fa6deb391b09e30

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\eeiiolameapofplbapkljhgccpelgkbo\background.html
        Filesize

        142B

        MD5

        954bec206d925c86e0fa3be20875dc44

        SHA1

        e5c5968700c62b8180601b0c4e2072e7ccc15998

        SHA256

        d4ecdf589b02561512310af4ea78eed1513b60542fb61650ade239b175ca2dfe

        SHA512

        f52453475ac53b46b6d805e6acd4fbfd1127913abf832af6825c67498d3a1a6b58c009b6808a612f9d294efdaed809c595246f7a42bd444499abac8b8379731a

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\eeiiolameapofplbapkljhgccpelgkbo\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\eeiiolameapofplbapkljhgccpelgkbo\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\eeiiolameapofplbapkljhgccpelgkbo\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\xyr2WL67m9vxJud.dat
        Filesize

        1KB

        MD5

        a76e22ecc8b1a15ae24816773827aa23

        SHA1

        1227ffd9a38e3ec67dd87055bd482c4a264f7d44

        SHA256

        df8fdc909dde062d555f6bd38dc0c794f3036ad89520bf2aff8664a06b312f41

        SHA512

        4619fc560e24c8351cb6d0aea576cce5391591f2eb71a25de96e791b0db3c6b48d8e3a600af5e1d7a6060bb6d36b466fdbbf25bc1fc7511ed3d59d936c768ec2

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\xyr2WL67m9vxJud.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS76DA.tmp\xyr2WL67m9vxJud.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • memory/4736-132-0x0000000000000000-mapping.dmp