Analysis

  • max time kernel
    136s
  • max time network
    156s
  • 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 19:18

General

  • Target

    c9c4ce83583ba0ffad00892fd36d9537113222824c13e09d724d88202a51c43c.exe

  • Size

    920KB

  • MD5

    20a15899b311b2a176d91ae30ecf3d7b

  • SHA1

    847bb445faa191af0bdb1838ec3a91f48e11cbcc

  • SHA256

    c9c4ce83583ba0ffad00892fd36d9537113222824c13e09d724d88202a51c43c

  • SHA512

    352217ddd6ead830542f910c78bfe84655bf766107006714cbb4d727e0cda85ea533ed5aaf4e2401d55ea3bb8bdba837df12b94131754c6a0b6aa4614bb2ed7c

  • SSDEEP

    24576:h1OYdaOhMtdHAqcdDVhYwiei7+EpFAh/kKB:h1OsUPHVmVhYwiLtKkKB

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\c9c4ce83583ba0ffad00892fd36d9537113222824c13e09d724d88202a51c43c.exe
    "C:\Users\Admin\AppData\Local\Temp\c9c4ce83583ba0ffad00892fd36d9537113222824c13e09d724d88202a51c43c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\nBQJq9mCwkeFJY0.exe
      .\nBQJq9mCwkeFJY0.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:372
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:1420
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4684

      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\7zSE321.tmp\Uq@JtKRXRR.edu\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\Uq@JtKRXRR.edu\chrome.manifest
        Filesize

        35B

        MD5

        eb683a5297ef3e5545c805b0eef18225

        SHA1

        40a9b6a43ecb4d1537a2a6b5f4903a3b994238f9

        SHA256

        02d31963838e0b171ed8674233cf694b78120bc26ccc9d00969cd68e13675414

        SHA512

        9e57ecfa815fb7f6fd506c11172d641a1844944df3616de42b12e748499f13a0d53130fd34e0bcd470c7b312f3658ea5b8e5631256dece0b7cfec59e601ce845

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\Uq@JtKRXRR.edu\content\bg.js
        Filesize

        9KB

        MD5

        172d0b96354719e0e3e7b276671b7421

        SHA1

        f91a5f2c1516aa7d33b1cc3dc8df20165ba0b186

        SHA256

        0c206f7ca65a46d657dc4b26beb895277be0695896587b1e2a454950b961e970

        SHA512

        f5bf7bc7075a118f25f55f9ceb216584af136a0ad4175fe3844f6b7d7a846e96e75fa700cd43564f26b5d9675d69c4ecc89cc89c89250ebed4b88a186622e082

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\Uq@JtKRXRR.edu\install.rdf
        Filesize

        596B

        MD5

        d0d39a2379b3bec4d1f2e5ea944a006d

        SHA1

        0f046562274489700679bf9ffb4b4bd83e38f08a

        SHA256

        93a07de0213233f218b73860d77e958ceb0601acef19fee62963f1c4938bfd8d

        SHA512

        a9856ebffdf8cbdb1083d8e1c92d8b9b51b41e58d7256b9ab33e8ee789fa544a1d50d21ae2957e22240b561bd1a14cb3b8b5bda08ee63895fcadc7deb88063c2

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\cficbbjemkfnfcbfnilmfjniikbhnhoc\background.html
        Filesize

        142B

        MD5

        0dabe0daf3788a38ce6ab43f76bdefc6

        SHA1

        45aad82473cdd6362ed8427559ed2efc103da718

        SHA256

        b7eea03de871c0dfd0f5b76c361731da61417081104bb499609eb8a71691c264

        SHA512

        44975a4a37e6cd49b82cb700dfe5ab1d3911322976ef87205d682cc4ab364db2e1f495603cde7713aff1f67bd228ac6df5f153de386a44879ca8f105a1294b42

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\cficbbjemkfnfcbfnilmfjniikbhnhoc\cMmoj.js
        Filesize

        6KB

        MD5

        8ac83402384133a807a095c24dc0c174

        SHA1

        d328d0a58b17368056cee9a8be3b1ba7376fdfc2

        SHA256

        2193dddc5832555b13b3a797ce1b27e90d94d00ae2e204003e1e74823d46652c

        SHA512

        4633c49577772d74fc0c534ac7bc7619d289e7753e7cf17cf9f1c353007e31496e0805e5fdc355bf9bd514e4b2ccca1cac6dfc2ba67f99d033e3d762e53cb40f

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\cficbbjemkfnfcbfnilmfjniikbhnhoc\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\cficbbjemkfnfcbfnilmfjniikbhnhoc\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\cficbbjemkfnfcbfnilmfjniikbhnhoc\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\nBQJq9mCwkeFJY0.dat
        Filesize

        1KB

        MD5

        b5de5a87f1db461e25db026bda9e4684

        SHA1

        ac4316f9efb42f6d8d481c7005ad3992a8294b43

        SHA256

        f23e7db9586300dd5149c0b964099f1eb5cc689fa1f7a0f22509028fd7114c7c

        SHA512

        a66cf3ccd6bf3308e7e20637e6ac82ae42a4a703fc75779da839a0a41fb6c873f31ea75588d9dc17729e560a83f028adf9c5c7c573418a6fb80090c5940e8042

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\nBQJq9mCwkeFJY0.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSE321.tmp\nBQJq9mCwkeFJY0.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • memory/372-132-0x0000000000000000-mapping.dmp