Analysis

  • max time kernel
    146s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 08:24

General

  • Target

    df979bae64b8e6657761c63fc68efe8e_JC.exe

  • Size

    4.8MB

  • MD5

    df979bae64b8e6657761c63fc68efe8e

  • SHA1

    dba4b5635480b5ed56e1e05b5288e78b3bf522b8

  • SHA256

    526fd64705287a076d8ed6d39057427bcbf98f2f99c611c3939611685361e8fd

  • SHA512

    e1570d12113a708e8092d544ef5d000b53687fe1488476c056258d765d881368eab374d47fe11ded5fb61d011030dfc405b28d87781497da9f92ea3a7e142900

  • SSDEEP

    98304:bXUCMrJiCJCTAkCdZDBtdHV2jEcSKj3GD1zgkTOA2jEcSKj3UxTs62jEcSKj3d:AC08CVhxtREjDZ3G+zTjDZ3rFjDZ3d

Malware Config

Signatures

  • Detect Neshta payload 15 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 9 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df979bae64b8e6657761c63fc68efe8e_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\df979bae64b8e6657761c63fc68efe8e_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Program Files\Samsung\NVMeDrvInstPayload\{10DCCAB0-0DF5-488A-B262-AF8C3FC2BDDD}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe
        "C:\Program Files\Samsung\NVMeDrvInstPayload\{10DCCAB0-0DF5-488A-B262-AF8C3FC2BDDD}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A802
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2872
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A804
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2668
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A808&SUBSYS_A801144D
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

          Filesize

          547KB

          MD5

          cf6c595d3e5e9667667af096762fd9c4

          SHA1

          9bb44da8d7f6457099cb56e4f7d1026963dce7ce

          SHA256

          593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

          SHA512

          ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{10DCCAB0-0DF5-488A-B262-AF8C3FC2BDDD}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          1.8MB

          MD5

          e9626d4b54634eed38f267a27e8ce715

          SHA1

          9329a51f35d8ade59065e7abbccb62de2a173b40

          SHA256

          041cdfa4cbd9bedd1ddd9331674074ca775ececc179424a690e90c38fe0f092b

          SHA512

          dbadb97f07fe0c2e6ad57ca0dc10f3da3ce196c6e93ababd746a06d35bff1e391e1d0032c26f147c5c30cc5f164296f657a5839493cc44a287213a262654a059

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{10DCCAB0-0DF5-488A-B262-AF8C3FC2BDDD}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          1.8MB

          MD5

          e9626d4b54634eed38f267a27e8ce715

          SHA1

          9329a51f35d8ade59065e7abbccb62de2a173b40

          SHA256

          041cdfa4cbd9bedd1ddd9331674074ca775ececc179424a690e90c38fe0f092b

          SHA512

          dbadb97f07fe0c2e6ad57ca0dc10f3da3ce196c6e93ababd746a06d35bff1e391e1d0032c26f147c5c30cc5f164296f657a5839493cc44a287213a262654a059

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\1040\License.rtf

          Filesize

          42KB

          MD5

          3006f94a9f7aba39a8da0a771868374f

          SHA1

          66925580d38d03a1f9e62495cb14c13ab3d86b52

          SHA256

          fa4d27499d0c8e8cfec28ab43318cb1be3165bd6584a7eb427f8d4e3698da2d3

          SHA512

          395573a38822f3db1bd6020d43419d35de28a552aa80ae7d502ef9d3c199b98f5e5a9ca0fb0f742ec7007c7c45c109843b8fece7308e63863df705e4bdd8cc1c

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\MSVCR120.dll

          Filesize

          940KB

          MD5

          9c861c079dd81762b6c54e37597b7712

          SHA1

          62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

          SHA256

          ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

          SHA512

          3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe

          Filesize

          76KB

          MD5

          b3ff397f56d680c13fd133286be445b1

          SHA1

          be8d8164bf090823e891482b09171e5dbacd807b

          SHA256

          f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

          SHA512

          b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe

          Filesize

          76KB

          MD5

          b3ff397f56d680c13fd133286be445b1

          SHA1

          be8d8164bf090823e891482b09171e5dbacd807b

          SHA256

          f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

          SHA512

          b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

        • C:\Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe

          Filesize

          76KB

          MD5

          b3ff397f56d680c13fd133286be445b1

          SHA1

          be8d8164bf090823e891482b09171e5dbacd807b

          SHA256

          f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

          SHA512

          b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

        • C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          4.7MB

          MD5

          e4603ceb6e62388477d4d3dd1126f383

          SHA1

          6b39ce343dd3af1b807b2f6cd8b477b152833482

          SHA256

          d78c83c8d90cf666675e6e9d148bb3694f414b50458793f6daddb85e5bf13b6b

          SHA512

          34af37079669a20d06a3d8469eebe410e7ec3d233b93ce611b4352ff673f707a3d8b785a8c589964a8d6ee7818533ae96bd7c4b1d18513c214205f911a873713

        • C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          4.7MB

          MD5

          e4603ceb6e62388477d4d3dd1126f383

          SHA1

          6b39ce343dd3af1b807b2f6cd8b477b152833482

          SHA256

          d78c83c8d90cf666675e6e9d148bb3694f414b50458793f6daddb85e5bf13b6b

          SHA512

          34af37079669a20d06a3d8469eebe410e7ec3d233b93ce611b4352ff673f707a3d8b785a8c589964a8d6ee7818533ae96bd7c4b1d18513c214205f911a873713

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Program Files\Samsung\NVMeDrvInstPayload\{10DCCAB0-0DF5-488A-B262-AF8C3FC2BDDD}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          1.8MB

          MD5

          e9626d4b54634eed38f267a27e8ce715

          SHA1

          9329a51f35d8ade59065e7abbccb62de2a173b40

          SHA256

          041cdfa4cbd9bedd1ddd9331674074ca775ececc179424a690e90c38fe0f092b

          SHA512

          dbadb97f07fe0c2e6ad57ca0dc10f3da3ce196c6e93ababd746a06d35bff1e391e1d0032c26f147c5c30cc5f164296f657a5839493cc44a287213a262654a059

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\LanguageStrResourceDll.dll

          Filesize

          12KB

          MD5

          66278b6f179bd2d9c3cc56b454cabc41

          SHA1

          6493df4a2e80e4f63b40e3c38d054230dd1d2ba6

          SHA256

          68da69f4278c31a8c58e4cadfb303b4cd65f9e1b93d22f61fd0c954e7e1c6ded

          SHA512

          d4983abd5651bedd2e2fefaa6810aca3b215f44f3760f4e81e156609aeac6ac750e94d6eb73d4099da8103e1515444705c0bd215a06f270cd899b4b0266f77f4

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\wixextba.dll

          Filesize

          356KB

          MD5

          cc559bbf3d3ae360ff13c641d1d05edd

          SHA1

          9f10260b4e0ad03ff9fd0bf74a67c8ee9166dd18

          SHA256

          6daa321c3822681f4ef2d9d14f759c1e064bdfcdf2fe7abd9b3ec2f2ce14de99

          SHA512

          ad685f92d122d51b95729081b3b21e0a9ec367ac8219c2e693c75e37d1c4dc42c58b01ebf176611796b892f702bfc2faa15b115a451e3c2d05c5f62e06258fe9

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\SamsungFinder.exe

          Filesize

          76KB

          MD5

          b3ff397f56d680c13fd133286be445b1

          SHA1

          be8d8164bf090823e891482b09171e5dbacd807b

          SHA256

          f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

          SHA512

          b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\msvcr120.dll

          Filesize

          940KB

          MD5

          9c861c079dd81762b6c54e37597b7712

          SHA1

          62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

          SHA256

          ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

          SHA512

          3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\msvcr120.dll

          Filesize

          940KB

          MD5

          9c861c079dd81762b6c54e37597b7712

          SHA1

          62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

          SHA256

          ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

          SHA512

          3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

        • \Program Files\Samsung\NVMeDrvInstPayload\{288471CA-6800-40E2-B73A-CAD2573DB8BC}\.ba\x64\msvcr120.dll

          Filesize

          940KB

          MD5

          9c861c079dd81762b6c54e37597b7712

          SHA1

          62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

          SHA256

          ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

          SHA512

          3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

        • \Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe

          Filesize

          4.7MB

          MD5

          e4603ceb6e62388477d4d3dd1126f383

          SHA1

          6b39ce343dd3af1b807b2f6cd8b477b152833482

          SHA256

          d78c83c8d90cf666675e6e9d148bb3694f414b50458793f6daddb85e5bf13b6b

          SHA512

          34af37079669a20d06a3d8469eebe410e7ec3d233b93ce611b4352ff673f707a3d8b785a8c589964a8d6ee7818533ae96bd7c4b1d18513c214205f911a873713

        • memory/2120-145-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-197-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-67-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-62-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-86-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-68-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-196-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-63-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-198-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-199-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-200-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-201-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-202-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2120-203-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB