Analysis

  • max time kernel
    134s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 00:45

General

  • Target
    7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe
  • Size 3.5MB
  • Sample240508-a35a5acb36
  • SHA256 a3c2b7791e272d425ef33afae5a4df30cd40969f75872cee8ae9f26b4a6f3b6a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 38 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 2 IoCs

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

  • Executes dropped EXE 3 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe" -installer "C:\Users\Admin\AppData\Local\Temp\3582-490\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe" -instdata "C:\Users\Admin\AppData\Local\Temp\n1s\nchdata.dat"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe
          C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe -installer C:\Users\Admin\AppData\Local\Temp\3582-490\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe -instdata C:\Users\Admin\AppData\Local\Temp\n1s\nchdata.dat
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:4468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
        • MD5 SHA1 SHA512 SSDEEP

        RdrCEF.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe
        • Size 9.4MB
        • SHA256 b29d2b87e91f82d764ee7ab5947dbf9f3e2b9dc473e571ef1b67622d35cb9b9a
        • MD5 SHA1 SHA512 SSDEEP

        jusched.exe

        • Path C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe
        • Size 814KB
        • SHA256 5fa917ecb3603cec549bc4ba0b23b1a028100322e6f07bb1bc8f4c101fac38db
        • MD5 SHA1 SHA512 SSDEEP

        java.exe

        • Path C:\PROGRA~2\COMMON~1\Oracle\Java\JAVAPA~1\java.exe
        • Size 325KB
        • SHA256 76ae68fc7c6c552c4a98c5df640cd96cf27b62e7e1536b7f7d08eff56fcde8b8
        • MD5 SHA1 SHA512 SSDEEP

        javaw.exe

        • Path C:\PROGRA~2\COMMON~1\Oracle\Java\JAVAPA~1\javaw.exe
        • Size 325KB
        • SHA256 14e7a1f2f930380903ae3c912b4a70fd0a59916315c46874805020fe41215c22
        • MD5 SHA1 SHA512 SSDEEP

        javaws.exe

        • Path C:\PROGRA~2\COMMON~1\Oracle\Java\JAVAPA~1\javaws.exe
        • Size 546KB
        • SHA256 e3d8e46b123247fba88bd0489b34b2ea35c8ff0da2e0c3a52e9e6b2fd0ba013b
        • MD5 SHA1 SHA512 SSDEEP

        GOF5E2~1.EXE

        • Path C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE
        • Size 146KB
        • SHA256 41bed95cb1101181a97460e2395efebb0594849e6f48b80a2b7c376ddf5ce0ea
        • MD5 SHA1 SHA512 SSDEEP

        GOOGLE~1.EXE

        • Path C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE
        • Size 198KB
        • SHA256 d608c05409ac4bd05d8e0702fcf66dfae5f4f38cbae13406842fa5504f4d616f
        • MD5 SHA1 SHA512 SSDEEP

        GOOGLE~4.EXE

        • Path C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE
        • Size 433KB
        • SHA256 20bbf92426732ff7269b4f2f89d404d5fee0fa6a20944004d2eeb3cc2d1fa457
        • MD5 SHA1 SHA512 SSDEEP

        MICROS~2.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~2.EXE
        • Size 302KB
        • SHA256 fa84437953481e8e0b79b10ffecf8343552c32ef33566317926eb9d1682b3f8f
        • MD5 SHA1 SHA512 SSDEEP

        MICROS~1.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13185~1.29\MICROS~1.EXE
        • Size 1.6MB
        • SHA256 ddfc82e56d811be331815e303b6ae3e56470b4e7cc3f06112e485d8c16b3840c
        • MD5 SHA1 SHA512 SSDEEP

        COOKIE~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE
        • Size 138KB
        • SHA256 5d548c2cc25d542f2061ed9c8e38bd5ca72bddb37dd17654346cae8a19645714
        • MD5 SHA1 SHA512 SSDEEP

        ELEVAT~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE
        • Size 1.6MB
        • SHA256 08465cc139ee50a7497f8c842f74730d3a8f1a73c0b7caca95e9e6d37d3beed3
        • MD5 SHA1 SHA512 SSDEEP

        IDENTI~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE
        • Size 1.1MB
        • SHA256 abe398284d90be5e5e78f98654b88664e2e14478f7eb3f55c5fd1c1bcf1bebee
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe
        • Size 3.6MB
        • SHA256 06a3bb0bdd2da870bc8dc2c6b760855cea7821273ce59fc0be158149e52915ba
        • MD5 SHA1 SHA512 SSDEEP

        MSEDGE~3.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE
        • Size 2.8MB
        • SHA256 a9b7b9155af49d651b092bb1665447059f7a1d0061f88fa320d4f956b9723090
        • MD5 SHA1 SHA512 SSDEEP

        msedge.exe

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe
        • Size 3.2MB
        • SHA256 2b3aa9642b291932ba7f9f3d85221402a9d27078f56ef0e9c6bca633616e3873
        • MD5 SHA1 SHA512 SSDEEP

        PWAHEL~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE
        • Size 1.1MB
        • SHA256 9abd7f0aa942ee6b263cdc4b32a4110ddb95e43ad411190f0ea48c0064884564
        • MD5 SHA1 SHA512 SSDEEP

        UNINST~1.EXE

        • Path C:\PROGRA~2\MOZILL~1\UNINST~1.EXE
        • Size 141KB
        • SHA256 e90c627265bc799db00828179a5d76717a577086755043ba223a9ac78510a2ff
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe
        • Size 494KB
        • SHA256 7b945c7e6b8bfbb489f003ecd1d0dcd4803042003de4646d4206114361a0fbbb
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE
        • Size 485KB
        • SHA256 8c35dcc975a5c7c687686a3970306452476d17a89787bc5bd3bf21b9de0d36a5
        • MD5 SHA1 SHA512 SSDEEP

        VC_RED~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE
        • Size 674KB
        • SHA256 ccf37e88447a7afdb0ba4351b8c5606dbb05b984fb133194d71bcc00d7be4e36
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE
        • Size 495KB
        • SHA256 45966655baaed42df92cd6d8094b4172c0e7a0320528b59cf63fca7c25d66e9c
        • MD5 SHA1 SHA512 SSDEEP

        WINDOW~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE
        • Size 650KB
        • SHA256 671be498af4e13872784eeae4bae2e462dfac62d51d7057b2b3bebff511b7d18
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE
        • Size 495KB
        • SHA256 d882f673ddf40a7ea6d89ce25e4ee55d94a5ef0b5403aa8d86656fd960d0e4ac
        • MD5 SHA1 SHA512 SSDEEP

        INTEGR~1.EXE

        • Path C:\Users\ALLUSE~1\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE
        • Size 6.7MB
        • SHA256 7d607fb69c69a72a5bf4305599279f46318312ce1082b6a34ac9100b8c7762ce
        • MD5 SHA1 SHA512 SSDEEP

        VC_RED~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{4D8DC~1\VC_RED~1.EXE
        • Size 674KB
        • SHA256 c48abbc29405559e68cc9f8fc6d218aa317a9d0023839c7846ca509c1f563fea
        • MD5 SHA1 SHA512 SSDEEP

        WINDOW~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{63880~1\WINDOW~1.EXE
        • Size 650KB
        • SHA256 90cee4a89cc1401ac464818226b7df69aa930804cefce56758d4e2ea0009d924
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{CA675~1\VCREDI~1.EXE
        • Size 485KB
        • SHA256 8d0045c74270281c705009d49441167c8a51ac70b720f84ff941b39fad220919
        • MD5 SHA1 SHA512 SSDEEP

        WINDOW~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{D87AE~1\WINDOW~1.EXE
        • Size 650KB
        • SHA256 a6180f0aa9c56c32e71fe8dc150131177e4036a5a2111d0f3ec3c341fd813222
        • MD5 SHA1 SHA512 SSDEEP

        7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\7ff7fa6e04b6b602b650a2cdd7a5a800_NEIKI.exe
        • Size 3.4MB
        • SHA256 658b452b25b31d67d84990877335ffd3e86165ac1818e4bc57a45bfd49c291a6
        • MD5 SHA1 SHA512 SSDEEP

        nchsetup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe
        • Size 5.4MB
        • SHA256 fc349ac8bf18e14c36f30eb0a7b48b3a47b68657e6bd52f34888a2f301853e7c
        • MD5 SHA1 SHA512 SSDEEP

        directx.sys

        • Path C:\Windows\directx.sys
        • Size 139B
        • SHA256 4c908b671edbc02f3409a07d484d6ec3fd0647a9e96284421dd14b7b796eb7a5
        • MD5 SHA1 SHA512

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 f6e0a93e642876ab71b769df438896b8c38c50c3de6ba7317c00257265c63ab1
        • MD5 SHA1 SHA512 SSDEEP

        memory/2104-159-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2104-161-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2104-163-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2104-165-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2736-160-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2736-162-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2736-166-0x0000000000400000-0x000000000041B000-memory.dmp