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Analysis

  • max time kernel
    123s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 05:00

General

  • Target

    8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe

  • Size

    2.1MB

  • MD5

    12807cc0deace4e091db537f3361971d

  • SHA1

    8071f5758003cfb7bf97c963c99da2e174efa5c6

  • SHA256

    8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f

  • SHA512

    e3ecc58cccb0d8a6d1f64d6da9084b424d83ce9793e1de22321ecd89d35021d5eede1a313d2df32f2580a3ce2c4136ee53efc31856a4216b45dbc9fa59bb018d

  • SSDEEP

    24576:h1OYdaOxGiAEAd/KjjBKyu73i8mxcmMMV6zs+G/pC2d1RJoTJnQqphTuS2MD3GvG:h1OsiMAd/OxfV6zZGYg1RJQnFrTc2Sk

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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
  • Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe
    "C:\Users\Admin\AppData\Local\Temp\8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe
      .\xrWaIgm8T5Pv2Qv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3700
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:4912
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4728
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4500

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dat

        Filesize

        7KB

        MD5

        f2f684081d25e641af868722e06d59da

        SHA1

        c185dc353974a1e52fa7d73c81d0f964773a3b55

        SHA256

        42d62eaff72966559e5f009e14d608aae024ec0f56b053f6d2c4f8f68c6732c8

        SHA512

        e9c1ea49aafc76893e4e264a0df09ac5f79d74518faa6314064de0fc320150e77800ab7cd4785a75058a261415330cc5cc2654a68094b785f5d226f631260e3f

      • C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dll

        Filesize

        619KB

        MD5

        4f328f4e17a2c81830aac4c8c3d67141

        SHA1

        063c8e33d6a263dd604d072ffd143305f6c3d4a8

        SHA256

        303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

        SHA512

        d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

      • C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

        Filesize

        702KB

        MD5

        1287246338d36f26f77735bd58d74e70

        SHA1

        aabda37cd307e50f2444c73bd656eaf2b78fc291

        SHA256

        4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

        SHA512

        ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

      • C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

        Filesize

        702KB

        MD5

        1287246338d36f26f77735bd58d74e70

        SHA1

        aabda37cd307e50f2444c73bd656eaf2b78fc291

        SHA256

        4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

        SHA512

        ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

      • C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

        Filesize

        702KB

        MD5

        1287246338d36f26f77735bd58d74e70

        SHA1

        aabda37cd307e50f2444c73bd656eaf2b78fc291

        SHA256

        4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

        SHA512

        ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        5685cb977e0234682e238be6f729481f

        SHA1

        ec9609775c30beaca688b97eef248af6341eb8e0

        SHA256

        6c9a4e08396d2e2deee27d92a044b223d65a0541176c23069e0390c34896bea5

        SHA512

        fed5f202e1ff38ba31529cea8852c861ef817647c79776f01a08f5cbfbd7b4cbf0df2803abe4bced4cbca8241db530a65cf79a8581cd87c021b178f27ef2c8d3

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\content\bg.js

        Filesize

        9KB

        MD5

        65c1a14e926fc6432d8d2e973128f623

        SHA1

        8adb232a6a7458f07fdf0e0cf7b813367a3d5c71

        SHA256

        c3db8505f3a1cae7097f2e1cbfdedb5698c4295985d326e27a5650368204de2c

        SHA512

        27223bf76d7e58649cc13656e74936d090e708103161a319ccdc49bc63160f849bacaacb74736e33a4b487f36d2b1acfdd46b4422f4ab1ef502dd733176d075b

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\install.rdf

        Filesize

        592B

        MD5

        4edacebed95a1e111dbba17474dc1467

        SHA1

        83996a6807092e0a281ff69ee78b84b59b39e888

        SHA256

        4a26202175eb70f348eb4caff3ac7ab4e3f991ad75b87db91621b00cb065db83

        SHA512

        6ede5a8b220114bf97f41376fc3a274ec579e1244e75f49e1286fbd3feb2c522c5496a143440c8a841262c3906f2c611106f7dd19c76b01b2a370d6d53b0d7a0

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.dll

        Filesize

        619KB

        MD5

        4f328f4e17a2c81830aac4c8c3d67141

        SHA1

        063c8e33d6a263dd604d072ffd143305f6c3d4a8

        SHA256

        303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

        SHA512

        d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.tlb

        Filesize

        3KB

        MD5

        62cb4133d9d3a46f4f1c6c0fb3688619

        SHA1

        feaaef6e2b8c41be2575d0763cc8de3e8c19478e

        SHA256

        3ddcfb4b206fc4856f5bb5c06bcc3761dde53882eea20b5dc5ddf4ee8864bea5

        SHA512

        cb30dc73d52eb502f745fe32b4055b53306f62f0847cae1275d0856608949ea62c30f40d7f252ad450909a4bd425cf0e50012400175cc42a4096cf1451d90123

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.x64.dll

        Filesize

        702KB

        MD5

        1287246338d36f26f77735bd58d74e70

        SHA1

        aabda37cd307e50f2444c73bd656eaf2b78fc291

        SHA256

        4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

        SHA512

        ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\D5HtiqH9.js

        Filesize

        7KB

        MD5

        34af37e3822815def058b948b10b357d

        SHA1

        4715dbfcde112712bd1eec549f8f8186ed77edbe

        SHA256

        0acc00da9df63d78e8a438f9db0d4a2b57535bc5883672d541274e84d4b8251d

        SHA512

        fd108a5b92ed9ac9c663ffdd240e6e912ec65b9ebc9a37f656c8d7c50224d68adb7822ab8f9a158e7e05bbb503a2f055fc8a3ef6dc2f3c1677ceddbc5d78e3bf

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\background.html

        Filesize

        145B

        MD5

        c724de9d771b014ae11b8d968b368c2f

        SHA1

        907f877eeb700cebdf3151fc28c64c978edba586

        SHA256

        50c5736f83a3e4d90567f1411f35eac4dfce866ff3238e77a7933579223a989c

        SHA512

        b38e611c63dc2c3d10abc92aa1047a730004ccbca52169860a1588a0c62e62f724d1e00cd7c129ac3406f03cff438a0fb383e354258d59aa8d45e2dd02d4cf90

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\manifest.json

        Filesize

        500B

        MD5

        934257febf417c3c69c6f2714e742f7b

        SHA1

        49b71edf22d0e4088f366e81557f11c48cd2f09f

        SHA256

        93cad0c0d4d12604e97215ae8d4b9ee351e1b2f3fc287f7c132ed7013bff2066

        SHA512

        7550c9fdedc7488e44af8dd4ec040cfba5ad97452f99041dd727ee7ae52683bacff59b6cd658f4cd32a567ec5f552b652c89d498e0dd6245a5989bed81f84c76

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.dat

        Filesize

        7KB

        MD5

        f2f684081d25e641af868722e06d59da

        SHA1

        c185dc353974a1e52fa7d73c81d0f964773a3b55

        SHA256

        42d62eaff72966559e5f009e14d608aae024ec0f56b053f6d2c4f8f68c6732c8

        SHA512

        e9c1ea49aafc76893e4e264a0df09ac5f79d74518faa6314064de0fc320150e77800ab7cd4785a75058a261415330cc5cc2654a68094b785f5d226f631260e3f

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe

        Filesize

        623KB

        MD5

        cd6bf363f5af45a16926343310023db4

        SHA1

        e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

        SHA256

        bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

        SHA512

        3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced

      • C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe

        Filesize

        623KB

        MD5

        cd6bf363f5af45a16926343310023db4

        SHA1

        e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

        SHA256

        bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

        SHA512

        3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced