Analysis

  • max time kernel
    196s
  • max time network
    215s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-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 9 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Drops file in Program Files directory 43 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 18 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df979bae64b8e6657761c63fc68efe8e_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\df979bae64b8e6657761c63fc68efe8e_JC.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5016
    • 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
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Program Files\Samsung\NVMeDrvInstPayload\{D2674192-9870-42A2-9328-F531A634B944}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe
        "C:\Program Files\Samsung\NVMeDrvInstPayload\{D2674192-9870-42A2-9328-F531A634B944}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\df979bae64b8e6657761c63fc68efe8e_JC.exe" -burn.filehandle.attached=532 -burn.filehandle.self=540
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:3532
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A802
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          PID:2392
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A804
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          PID:5008
        • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe
          SamsungFinder.exe find PCI\VEN_144D&DEV_A808&SUBSYS_A801144D
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\1040\License.rtf

    Filesize

    42KB

    MD5

    3006f94a9f7aba39a8da0a771868374f

    SHA1

    66925580d38d03a1f9e62495cb14c13ab3d86b52

    SHA256

    fa4d27499d0c8e8cfec28ab43318cb1be3165bd6584a7eb427f8d4e3698da2d3

    SHA512

    395573a38822f3db1bd6020d43419d35de28a552aa80ae7d502ef9d3c199b98f5e5a9ca0fb0f742ec7007c7c45c109843b8fece7308e63863df705e4bdd8cc1c

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\LanguageStrResourceDll.dll

    Filesize

    12KB

    MD5

    66278b6f179bd2d9c3cc56b454cabc41

    SHA1

    6493df4a2e80e4f63b40e3c38d054230dd1d2ba6

    SHA256

    68da69f4278c31a8c58e4cadfb303b4cd65f9e1b93d22f61fd0c954e7e1c6ded

    SHA512

    d4983abd5651bedd2e2fefaa6810aca3b215f44f3760f4e81e156609aeac6ac750e94d6eb73d4099da8103e1515444705c0bd215a06f270cd899b4b0266f77f4

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\LanguageStrResourceDll.dll

    Filesize

    12KB

    MD5

    66278b6f179bd2d9c3cc56b454cabc41

    SHA1

    6493df4a2e80e4f63b40e3c38d054230dd1d2ba6

    SHA256

    68da69f4278c31a8c58e4cadfb303b4cd65f9e1b93d22f61fd0c954e7e1c6ded

    SHA512

    d4983abd5651bedd2e2fefaa6810aca3b215f44f3760f4e81e156609aeac6ac750e94d6eb73d4099da8103e1515444705c0bd215a06f270cd899b4b0266f77f4

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\wixextba.dll

    Filesize

    356KB

    MD5

    cc559bbf3d3ae360ff13c641d1d05edd

    SHA1

    9f10260b4e0ad03ff9fd0bf74a67c8ee9166dd18

    SHA256

    6daa321c3822681f4ef2d9d14f759c1e064bdfcdf2fe7abd9b3ec2f2ce14de99

    SHA512

    ad685f92d122d51b95729081b3b21e0a9ec367ac8219c2e693c75e37d1c4dc42c58b01ebf176611796b892f702bfc2faa15b115a451e3c2d05c5f62e06258fe9

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\MSVCR120.dll

    Filesize

    940KB

    MD5

    9c861c079dd81762b6c54e37597b7712

    SHA1

    62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

    SHA256

    ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

    SHA512

    3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe

    Filesize

    76KB

    MD5

    b3ff397f56d680c13fd133286be445b1

    SHA1

    be8d8164bf090823e891482b09171e5dbacd807b

    SHA256

    f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

    SHA512

    b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe

    Filesize

    76KB

    MD5

    b3ff397f56d680c13fd133286be445b1

    SHA1

    be8d8164bf090823e891482b09171e5dbacd807b

    SHA256

    f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

    SHA512

    b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe

    Filesize

    76KB

    MD5

    b3ff397f56d680c13fd133286be445b1

    SHA1

    be8d8164bf090823e891482b09171e5dbacd807b

    SHA256

    f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

    SHA512

    b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\SamsungFinder.exe

    Filesize

    76KB

    MD5

    b3ff397f56d680c13fd133286be445b1

    SHA1

    be8d8164bf090823e891482b09171e5dbacd807b

    SHA256

    f9eed0c07d3c8336bd569cb6af73256b543552e1099127d1f993419d329214e9

    SHA512

    b4794943b72030b0d0f21c4915435d09884f273d5f025c7f54bf52865cc8bcfc2f5bc7947a8bbce9245e06963647720b4587a19f8df42850907ca3c52dd6c573

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\msvcr120.dll

    Filesize

    940KB

    MD5

    9c861c079dd81762b6c54e37597b7712

    SHA1

    62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

    SHA256

    ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

    SHA512

    3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\msvcr120.dll

    Filesize

    940KB

    MD5

    9c861c079dd81762b6c54e37597b7712

    SHA1

    62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

    SHA256

    ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

    SHA512

    3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{570FD7FF-60C2-4513-BA36-707966DC7121}\.ba\x64\msvcr120.dll

    Filesize

    940KB

    MD5

    9c861c079dd81762b6c54e37597b7712

    SHA1

    62cb65a1d79e2c5ada0c7bfc04c18693567c90d0

    SHA256

    ad32240bb1de55c3f5fcac8789f583a17057f9d14914c538c2a7a5ad346b341c

    SHA512

    3aa770d6fba8590fdcf5d263cb2b3d2fae859e29d31ad482fbfbd700bcd602a013ac2568475999ef9fb06ae666d203d97f42181ec7344cba023a8534fb13acb7

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{D2674192-9870-42A2-9328-F531A634B944}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe

    Filesize

    1.8MB

    MD5

    e9626d4b54634eed38f267a27e8ce715

    SHA1

    9329a51f35d8ade59065e7abbccb62de2a173b40

    SHA256

    041cdfa4cbd9bedd1ddd9331674074ca775ececc179424a690e90c38fe0f092b

    SHA512

    dbadb97f07fe0c2e6ad57ca0dc10f3da3ce196c6e93ababd746a06d35bff1e391e1d0032c26f147c5c30cc5f164296f657a5839493cc44a287213a262654a059

  • C:\Program Files\Samsung\NVMeDrvInstPayload\{D2674192-9870-42A2-9328-F531A634B944}\.cr\df979bae64b8e6657761c63fc68efe8e_JC.exe

    Filesize

    1.8MB

    MD5

    e9626d4b54634eed38f267a27e8ce715

    SHA1

    9329a51f35d8ade59065e7abbccb62de2a173b40

    SHA256

    041cdfa4cbd9bedd1ddd9331674074ca775ececc179424a690e90c38fe0f092b

    SHA512

    dbadb97f07fe0c2e6ad57ca0dc10f3da3ce196c6e93ababd746a06d35bff1e391e1d0032c26f147c5c30cc5f164296f657a5839493cc44a287213a262654a059

  • 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

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

    Filesize

    4.7MB

    MD5

    e4603ceb6e62388477d4d3dd1126f383

    SHA1

    6b39ce343dd3af1b807b2f6cd8b477b152833482

    SHA256

    d78c83c8d90cf666675e6e9d148bb3694f414b50458793f6daddb85e5bf13b6b

    SHA512

    34af37079669a20d06a3d8469eebe410e7ec3d233b93ce611b4352ff673f707a3d8b785a8c589964a8d6ee7818533ae96bd7c4b1d18513c214205f911a873713

  • memory/5016-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-73-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-1-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5016-128-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB