Analysis

  • max time kernel
    150s
  • max time network
    124s
  • 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, 08:18

General

  • Target
    25c84367b568342e684efe1fd14c4170_NEIKI.exe
  • Size 144KB
  • Sample240508-j7g6tsdf68
  • SHA256 8902c30b2ae1c2c470e8e5df753d9c077878c8836759991718624b96053531ae
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5077) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 58 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25c84367b568342e684efe1fd14c4170_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\25c84367b568342e684efe1fd14c4170_NEIKI.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:3916
    • C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
      "_Firefox.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:440

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2818691465-3043947619-2475182763-1000\desktop.ini.exe.tmp
        • Size 144KB
        • SHA256 6a7b329d256cee4d4308a15c1bda8f13b3ddaa49e9ca7273bb31c69203e9ba03
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2818691465-3043947619-2475182763-1000\desktop.ini.tmp
        • Size 73KB
        • SHA256 81926edcd073bf3fe5cbfddea46f6428c9045c4ec8a7cb40f4a80fb0037cc2d5
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 186KB
        • SHA256 02b91f2ef6fd3aece77d4230af67e1cf435980fcedfabff7f83b6dadbefeecc3
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 172KB
        • SHA256 c0a430a044d9986df2ceba4f19bde6ec53b3591f0f7b455f2906c3781c5c0490
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 76KB
        • SHA256 f5c0cefff27d76f12f3143269e71d8c42c36f51816222d38bb13ea7a48476123
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 1519aa92a39da3a7d14843b1ea869f44c8531f634c72372d2658512df6d6b060
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 614KB
        • SHA256 8c023fc34e394e943908014ac4c8fe796b8fb006b0621bcca17026b9db2918b2
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 282KB
        • SHA256 6e6d2d52b0af79fa4b94862150d88f2d38c3abd6c8a880c23cdd986fbf831666
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 261KB
        • SHA256 6d3b5b04eec72c06250c6d6a8af38249dc89510a27423406fb98690f6c4b767e
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1003KB
        • SHA256 7576fe215ccde4800b9efc4e3751b3aafdfc84e729bea0a709e80a3481f685e5
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 757KB
        • SHA256 38e96233dfe2e76fbe977e502bd3d6c0f564c27abd6dc0123af7d2dbde8c1810
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 130KB
        • SHA256 0e8e4b7b3acf99c366b5d06bf94f41b167c8c556662ebc0130cfb1acccefc97e
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 83KB
        • SHA256 ab3cd7c7af5f74b5ee21975b2bcd01f3f44846387ef5fb7f213a5cde0ef5c92f
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 78KB
        • SHA256 dfc6e4ecf7e56e56cc41448a52ef045bee43416c6b25edc3cbec1f08f9bc9a90
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 82KB
        • SHA256 c887795a38d4f5bc038310db784222ca02f2b650509a2c1d29db582ec31d3204
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 84KB
        • SHA256 44a4ede207a20543ac05a80556f9e6bad0ab6e24a351bab08b4d75f67844a9c0
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 82KB
        • SHA256 6f10aa86014a66fe5b482e3ae27520ce15df459439faac7de64cb925e0823a38
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 86KB
        • SHA256 cd2967a6fef598ccc2a633ee83b294323d2d879dd84bb28e6bed31f5362cc1da
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 73KB
        • SHA256 1a81e336277e92b95d66ae9cc4f77604296d484f19034e0eb580d2a7c278f01d
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 80KB
        • SHA256 49a8b71e2493f8528847b735e826931e006037794857323195f91f8ce9d8ac1a
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 72KB
        • SHA256 ff8da03988437373b9f3e08c67f70341afe5001e35f9403b1cfef21e5e7a892d
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 78KB
        • SHA256 60e7b696e11abc0f286df613d60dc7fa1c7e66cefe9489f83fabb8fe120d43ee
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 79KB
        • SHA256 34a263bb7a78e2308b1118226a63660df8da0d6fc627e258944fe172351ec64c
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 89KB
        • SHA256 fc155451b95498c5bad8b7f4e50300efd3dcfbffb8fa7cd9b0aec97efaad2b26
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 83KB
        • SHA256 ca9ebb0009cc0a4fd36a1b1047f03c4b1df807c0848031c934dd277e222ac58a
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 80KB
        • SHA256 41faa64ab2dca0a0a6241f3d76d6cadc0af4d60b620291ad8356c31b7644b5e3
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 86KB
        • SHA256 a9dd838aebdfbc019170b8d815b6553d823e5ca79373c398e70555458468919b
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 79KB
        • SHA256 7ac1bb0217ccbc075833b8bfc6f7c37723757c26d85706f728613290aed87ff1
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 80KB
        • SHA256 dca93dbc88d76f294bb97390f170fd15cdf2a1f2284d8f9385d3cc9c3e79ed8a
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 79KB
        • SHA256 b471e71a88a6527dd8de833b42be1d2242fba420cb48c890724ec107060c718c
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 81KB
        • SHA256 725fc503bdb72580fcfbd65a109f21defa586cf985b88093089b4ccd338e4c30
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 82KB
        • SHA256 2d2eaf19dab3370d7e4e5b65f3483903e3e9a63b33125771b2951a154b8d8333
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 90KB
        • SHA256 792ae3a4f77e016c91a0821dc4847f6e8ef5de9b4ddabaf3f9f5be527b82cf8f
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 79KB
        • SHA256 f953ce14bd7e579587e423971d0f871461ad8da84892b1b74e037d96f55632bc
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 83KB
        • SHA256 54b3676479fbb9bb84000d369de6b817f928e096c628fd5d470fd2e465efefc0
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 87KB
        • SHA256 0786ad99c50d6790de998d0481913e72cb6b0f7fc6fff6b0a2c0db3455ee636f
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 82KB
        • SHA256 e29b29837a6adf1361fc8a41ed9751d540408f53487bf575efa5b2318b848f90
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 44KB
        • SHA256 3532b82d7877dae8ec9c9e5f6477daa40767eb8555c76aa349223f23616af920
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 70KB
        • SHA256 e1e68cb6f80af40b24a627b30ba8aa4d16cd5ac038778f26ee386a0a962f0e92
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 85KB
        • SHA256 48ff0faf484eb074d411c9a3950fcbc1a7ff9c70c8104a5364d4b354aa278beb
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 83KB
        • SHA256 59e68a08332970142b75af9169dd1b7ad4eb85151306cd3399670f072711c845
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 76KB
        • SHA256 3d9cc2aa0335684c8aeb40738f83c3930b4306340a6c7d1510ce495cc4c1dd18
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 79KB
        • SHA256 3727beaaad97349f1f0fa778c106ece53f9b3c1d0bfab905ce0ef940802d955c
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 76KB
        • SHA256 558153221d12b09dee18de6cf5daa1e719ff15e77055e57ea6be8eddb81f66d9
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 92KB
        • SHA256 8a06d8d2ca088fa4d4a1bf494867e3e730e9111b1b61b7c26fcfbd0b3a8e4de2
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 83KB
        • SHA256 430f5cc79c1e3d1e378cd9c0b8c411fa7cab9c7ea7f65081fec1ed4232f83f0e
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 85KB
        • SHA256 9af509055f309a651b40fe4da68ed9af700b441a30adc884feb5b53c29e5a7d0
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 80KB
        • SHA256 4ab3876358f3cda83da4dc09e0c03acda7af7d171b49a6cbd77a7a60c09e696f
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 79KB
        • SHA256 02c01534e32ea999494c61651fb20525b9ee2037bafc8744d70af094b6cd16f0
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 80KB
        • SHA256 ae0ca37e6d6b8ac48a817be79efa07f696d531ea46d7af0a473ccd5657a62523
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 83KB
        • SHA256 caf7bca33f663d5ae1beda35dbe4d2e5ccb98e4c2423ae5261dd926c4042fdde
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 78KB
        • SHA256 638b9543fbd22e6131b3d1c16e57cf6050aa777848a84d205cb566291c75c05a
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 85KB
        • SHA256 cc58822637529e6c21463aeb4fd4229a2a2063448078dddb1f225bd022f4f640
        • MD5 SHA1 SHA512 SSDEEP

        tipresx.dll.mui.tmp

        • Path C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp
        • Size 83KB
        • SHA256 f43ba3a8fe5c59ec88c2f27225573736e6aebd4eac49a68bca66b2b0773c65ea
        • MD5 SHA1 SHA512 SSDEEP

        _Firefox.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
        • Size 73KB
        • SHA256 2f90e4089132f2a184eb722a9773af33d443e6f38a744cb724aa410346a02d85
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 70KB
        • SHA256 57b978bb992a41ce4d4e983cfa1dee670f01d3d9bbb633bde47d23cdfcdf6d32
        • MD5 SHA1 SHA512 SSDEEP

        memory/440-14-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/2896-0-0x0000000000400000-0x000000000040B000-memory.dmp