Analysis

  • max time kernel
    151s
  • max time network
    222s
  • 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

    4a4dda4021d5644912cbd3e2b31198b847c29eec9e14b0de6b43eb50b829d9f5.exe

  • Size

    919KB

  • MD5

    f0597d0449c193961e91398c100c7cf5

  • SHA1

    e904de58ae4d0de530c2c3be2c37c04c2ee37865

  • SHA256

    4a4dda4021d5644912cbd3e2b31198b847c29eec9e14b0de6b43eb50b829d9f5

  • SHA512

    998e280642fa62273580a8f828b0e7dacd8d8919d37b899f81ec520b303d72915bf41299ae6287025b7d96c67c33f7a13a8155ecaddeb30afa22d64d4c324a7c

  • SSDEEP

    24576:h1OYdaOuMtdHAqcdDVhYwiei7+EpFAh/kKE:h1OsTPHVmVhYwiLtKkKE

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\4a4dda4021d5644912cbd3e2b31198b847c29eec9e14b0de6b43eb50b829d9f5.exe
    "C:\Users\Admin\AppData\Local\Temp\4a4dda4021d5644912cbd3e2b31198b847c29eec9e14b0de6b43eb50b829d9f5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\UOTferVsB0nYA8Y.exe
      .\UOTferVsB0nYA8Y.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4480
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:520
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4680

      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\7zS995.tmp\UOTferVsB0nYA8Y.dat
        Filesize

        1KB

        MD5

        852b090c7b9b93184b839bbc02bc8b13

        SHA1

        6ee67bea7f46a1a62ce36ac457710279e9eb5f8f

        SHA256

        2f384c6e9c61be74e91b26ba44392166094eefa924a427d9efd129374c427a4d

        SHA512

        852a78893dcfd59c9fda673d39a8def1a5dd0bfee2dd257d2dcbc40dbbc94b5f759bd87a7f1bc4202ab3ddde6f94f7c2aabf1cc938775286db66abb923549c82

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\UOTferVsB0nYA8Y.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\UOTferVsB0nYA8Y.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        c3184ed0bc92d933311b0ca99fe57596

        SHA1

        66ea57bb9767821e5ae53820edf71da2b092c4e0

        SHA256

        fabaa6e035b540e50e3e6cd49ef47e8c270691be66255bb23d9fae50a4d2ca89

        SHA512

        b6e32a9bfe12b584974af9a44325f96fb49015095afd2d2162ecfcd1f8df776cd3db273d12d23ea4eb32c0ceb08e1c6b89d0ab6e83816908e2564dabe5ed7336

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        0b48f6bd5b28547b8be222283106c41b

        SHA1

        5e49ce4f081bf89b7855ec622f998033f5cb58c5

        SHA256

        61fc5a6d246f9aade528d9022caec0212832b3bdcdf4a88b4436e2ed233f927a

        SHA512

        4c9d09a55e612991cd45d3cec058fe418d7f2b4f923650cbadab6f492994029bc522bda6fc61e48ad753f1f49cd8e3b489ff9ed5038c264dd14d8cf5cc6d53ef

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\[email protected]\install.rdf
        Filesize

        597B

        MD5

        3d734f0878dda445f50da7e4deeda308

        SHA1

        9bc02c2cd7f84d8d577002e90dbec1d027e0a9aa

        SHA256

        5655ab3a55ab13ef6bcac535780ebbfe772787a7a0a4f8710c7ee52926573261

        SHA512

        285bfe09fbf80b02de3d0888d280dc0e81509385896ed114ae9d41c9819f71aef6848d58cd46cadab90bc726facab26631b87628496f936df98c7a898828901b

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\kjbbfacpkjmbhhekgdkbfhloilbommci\LiyJvJjua.js
        Filesize

        6KB

        MD5

        2d13a38be0d80869d11b3e2349f15ad9

        SHA1

        c83da3ca06f32ed0c1003166cc26453688cd71ae

        SHA256

        80013569db38f4d929bce1c393ce1b698d882211d8f63cc5b415969ffcf9969b

        SHA512

        e9fce9f3f263e31b74482713ddeff267a5bdab0286e2dbd2b19e97b3f7eaefbdba38aa3a60752607ed9cb8bf44e77398a74ae517cab258855dda0bad19955ab0

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\kjbbfacpkjmbhhekgdkbfhloilbommci\background.html
        Filesize

        146B

        MD5

        6b6d464f61ba1006b61e50f6af7232de

        SHA1

        af8e9abfc20a8c804c9ccdddf1dc6b008a174757

        SHA256

        7fe2da5b82597d83f7a0f0db0e62e83a624ebf3ba14bac896db6117342f23372

        SHA512

        e9e54ef0da46ede641cf08ff6c958ad082fd82f72dfd8340d58b172af1abe96c63d4a1098c98e1bac2887539a55f8d09fb6f9c477da137727341e1d3622c771b

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\kjbbfacpkjmbhhekgdkbfhloilbommci\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\kjbbfacpkjmbhhekgdkbfhloilbommci\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS995.tmp\kjbbfacpkjmbhhekgdkbfhloilbommci\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/4480-132-0x0000000000000000-mapping.dmp