Analysis

  • max time kernel
    151s
  • max time network
    171s
  • 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, 20:31

General

  • Target

    f87abeec4df617723759070b397a30fefc360ae635b27644ed26641986af695c.exe

  • Size

    2.1MB

  • MD5

    8875fe92eae0a18c200a929d3ad18496

  • SHA1

    031eaf69a49cd20ab1a9345f92ec16db85feb372

  • SHA256

    f87abeec4df617723759070b397a30fefc360ae635b27644ed26641986af695c

  • SHA512

    3122778ece1126f07d2c7640c2945488d1c56b0985580fe2810e2b4d2e9ba42688d1cc13f437a6818ecaf67eb6a0c12bb8cdf8c34c4de001e0f0ec7ffaa8eaed

  • SSDEEP

    49152:h1OssyuyoY0IKAVWQrQSM5eeHY1h2PlSUQ8PciN:h1O5goP9oM5LF1

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 Program Files directory 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f87abeec4df617723759070b397a30fefc360ae635b27644ed26641986af695c.exe
    "C:\Users\Admin\AppData\Local\Temp\f87abeec4df617723759070b397a30fefc360ae635b27644ed26641986af695c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\CCwI1Du7gQmen32.exe
      .\CCwI1Du7gQmen32.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:888
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:2732

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.dat

          Filesize

          6KB

          MD5

          42b734f4e4492b8b87032c1480804ff2

          SHA1

          4f4e504efbf9f73fdff12eaa18ed852d13c0548c

          SHA256

          8cd055e25efef9626a1e536db1bd4533a5688c4ffd37ef196605aa124819f858

          SHA512

          2b77ce57ad4f08ae6cddc04f22d920ece2b4f15d99fbbec3d7a41b5d9a05e38a1a879ba3a5b3ccacb747cfbfa51f418e3838acdd2dd44d5535d3f511a7a658d2

        • C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.dll

          Filesize

          616KB

          MD5

          ac2bb9f430ee63577e2e658e576fbaa3

          SHA1

          661dad0abec24f1cd8400e09fd00881d9dd66b02

          SHA256

          59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

          SHA512

          f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

        • C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.x64.dll

          Filesize

          698KB

          MD5

          48aea480f88ba159a05da8c3e1b938e5

          SHA1

          56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

          SHA256

          07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

          SHA512

          448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

        • C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.x64.dll

          Filesize

          698KB

          MD5

          48aea480f88ba159a05da8c3e1b938e5

          SHA1

          56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

          SHA256

          07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

          SHA512

          448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

        • C:\Program Files (x86)\GoSauve\OM2nOSTdsThQUW.x64.dll

          Filesize

          698KB

          MD5

          48aea480f88ba159a05da8c3e1b938e5

          SHA1

          56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

          SHA256

          07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

          SHA512

          448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\CCwI1Du7gQmen32.dat

          Filesize

          6KB

          MD5

          42b734f4e4492b8b87032c1480804ff2

          SHA1

          4f4e504efbf9f73fdff12eaa18ed852d13c0548c

          SHA256

          8cd055e25efef9626a1e536db1bd4533a5688c4ffd37ef196605aa124819f858

          SHA512

          2b77ce57ad4f08ae6cddc04f22d920ece2b4f15d99fbbec3d7a41b5d9a05e38a1a879ba3a5b3ccacb747cfbfa51f418e3838acdd2dd44d5535d3f511a7a658d2

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\CCwI1Du7gQmen32.exe

          Filesize

          632KB

          MD5

          59ed6cd5a934e324d7ff694adb712b61

          SHA1

          ee41b1da1ca21a050e548b04bbf37c47f251fd10

          SHA256

          cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

          SHA512

          04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\CCwI1Du7gQmen32.exe

          Filesize

          632KB

          MD5

          59ed6cd5a934e324d7ff694adb712b61

          SHA1

          ee41b1da1ca21a050e548b04bbf37c47f251fd10

          SHA256

          cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

          SHA512

          04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\OM2nOSTdsThQUW.dll

          Filesize

          616KB

          MD5

          ac2bb9f430ee63577e2e658e576fbaa3

          SHA1

          661dad0abec24f1cd8400e09fd00881d9dd66b02

          SHA256

          59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

          SHA512

          f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\OM2nOSTdsThQUW.tlb

          Filesize

          3KB

          MD5

          52acf269931e562ad7445f7a803bd5e3

          SHA1

          ef86bb5f96b2bba4c85a73efef5df4a08ab99031

          SHA256

          bc29a9426767cb54f6f11ea9d457613f858aa0d0e33137ab8ad1f53ff601d8f2

          SHA512

          545cc433a340e0b6ef70c92ab7854058222bb76385fb4027f1cc174a0baececb48c8e04ea83e9387d2c664505d4dd3799d41512e06c3ec5b4e32d0bf4a84668b

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\OM2nOSTdsThQUW.x64.dll

          Filesize

          698KB

          MD5

          48aea480f88ba159a05da8c3e1b938e5

          SHA1

          56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

          SHA256

          07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

          SHA512

          448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\fijhhiikabnaladkoclfchgbogolbncj\BDyFwgm.js

          Filesize

          5KB

          MD5

          b57dbef8d68140697650fd315f428e8e

          SHA1

          b82147c6fc1005a353f91805eaff0a3eba856b50

          SHA256

          8ae89f49b56892d828be8367650a69c10846af3d1257c5b14b112f8ea0bef908

          SHA512

          54e61a398d5d25e4bab46cebd2d05e90df3710fa11d7b4e01b6bfe29ecb9d60dffe0b5490444e537f8566a760092231af9eb1721739fb3b9578bc4912023a674

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\fijhhiikabnaladkoclfchgbogolbncj\background.html

          Filesize

          144B

          MD5

          ab9c73e972fd04897e0d2483c6804ff1

          SHA1

          0257e86e17e12154d8fcd958d285e7b65bf2aef6

          SHA256

          ab3275a6127140c0510ecc464cfde01d12eced26d10e8b7ee77715f00956a2d4

          SHA512

          888f95a74ee4d50878ccf8aa0c32faf210a629b8c68e2e0a55eef17d56d8fa4c2cedb2067166176d5135c39b0da0327225157b747008908fcd83f644d0e22cba

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\fijhhiikabnaladkoclfchgbogolbncj\content.js

          Filesize

          144B

          MD5

          fca19198fd8af21016a8b1dec7980002

          SHA1

          fd01a47d14004e17a625efe66cc46a06c786cf40

          SHA256

          332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

          SHA512

          60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\fijhhiikabnaladkoclfchgbogolbncj\lsdb.js

          Filesize

          531B

          MD5

          36d98318ab2b3b2585a30984db328afb

          SHA1

          f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

          SHA256

          ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

          SHA512

          6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

        • C:\Users\Admin\AppData\Local\Temp\7zSCCEA.tmp\fijhhiikabnaladkoclfchgbogolbncj\manifest.json

          Filesize

          499B

          MD5

          97fe9b5d8f1abb79bdc02f798b115155

          SHA1

          a8de86b079a3dcf793aa7190facb19eb9305d999

          SHA256

          a408c7f9407b5d98442e118b8c5fba9f0caab346b0700a348a33fb4946eaab37

          SHA512

          cf7ae6a467888086d9ce46983a1fac37a61374714d6592fdfb141aa06e5815617f28d6fc96a76928b3d915e2f27d3be0e6ad92fb1549ac7d9e1384bb09b3562b

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

          Filesize

          2KB

          MD5

          df13f711e20e9c80171846d4f2f7ae06

          SHA1

          56d29cda58427efe0e21d3880d39eb1b0ef60bee

          SHA256

          6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

          SHA512

          6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

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

          Filesize

          35B

          MD5

          d647dfc28b6394f7f3697ef651e86e07

          SHA1

          0e2b0f0c206b7f7d64d04afde4672ca727329ec9

          SHA256

          5141c0ce79cf7320a69cab4b2ebe081112837fd08488f5f0863834c8100fd97d

          SHA512

          5e7942c851211a19d0de7ef8ddcc297d5e34df359fd2165c374a2f6a3ecfea270c946f2d294c2351acb12c1e22621b03061a56add501b8743e080d58715f743a

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

          Filesize

          7KB

          MD5

          c0de90d5098eee2db2ae9f0714a07040

          SHA1

          bb34953340b71c6cc3bf0e27c710e86ce7cbab68

          SHA256

          0de0a843e51805c4e32c1a181fed6f48e84483b5d341e0473e7bd3d15b26e74b

          SHA512

          8fac1bde8e4fd3107cd99472dc1b84b470e243c1ecbc450fe6d420128e990cfbdd4e2fd6bbe6205633dba8a6cd6a3cbce00bbe5a1cedea32e6654d6e1f2e2c68

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

          Filesize

          597B

          MD5

          a5fca3089393f703bee8f90aabdb73ae

          SHA1

          6264bb8945733bf04e455cea253bcc959d8bba49

          SHA256

          5bc5769c628b3d380f65c7fe3b82e9221a85ce5c2a4858d4a1389e5b21f1b072

          SHA512

          225e99f7e754132a460001e07a6cf371ef17c1aa19436d3f1b6d785d6e9a7210a9c3526cf38977dc387e30f03dacb222a086e929f0ea2e8cf109cd5a942a35a7