Analysis

  • max time kernel
    149s
  • max time network
    115s
  • 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, 09:20

General

  • Target
    433a7b1a2bf3b979eba11a7031083650_NEIKI.exe
  • Size 225KB
  • Sample240508-la724add4z
  • SHA256 471ccdb019fc53f7f081e2667ca7f7861d5ac82eef8d4c94020633a26aa14216
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4861) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • 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\433a7b1a2bf3b979eba11a7031083650_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\433a7b1a2bf3b979eba11a7031083650_NEIKI.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\_Policy.vpol.exe
      "_Policy.vpol.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4820
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1224

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 225KB
        • SHA256 ea949eb5698f29758c797202f1e1cfd9dc90548e4a80b3c21fc05518ce18d3b1
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2818691465-3043947619-2475182763-1000\desktop.ini.tmp
        • Size 113KB
        • SHA256 55d2ac77cbca7e762236712e548bd2812cd43e67fc28b21daf1d36e7385b9395
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 225KB
        • SHA256 568adc4015ab69a4e2b7097732698cb5f41f62e32c5293737cfa633a43299ac3
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 212KB
        • SHA256 972219edf27b2aea1bfe36470c52513da1849a1d0d8a2f8fd4d5f6e75b9047ec
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.exe

        • Path C:\Program Files\7-Zip\7-zip32.dll.exe
        • Size 178KB
        • SHA256 b99ae48d8fb76999f44eef78e752afacf93a3209cfac4aaa50061e6e01cb6308
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.9MB
        • SHA256 40d9d3cab3318becb9b5be446b1c620415306d58386a5b67c0c64c883e4fa62b
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 657KB
        • SHA256 ae8343fd2e40526a2e4d46202d506173c0e146fef1d83e67db5a4c83fb628444
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 322KB
        • SHA256 ee00cfdfd01f8ef8a31fb61804c21afefe573dba5900b2dda66b84e0fee47ef8
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 301KB
        • SHA256 0cc338f6a94a5e80fb04ea99109e282ec3520be02958dbff80ad6a47942b83b0
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1.0MB
        • SHA256 eb8082fae65ee7b7b071fa1f47a96e4e71280de1888433a6424ff0d35a832406
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 796KB
        • SHA256 87dab1c592ade72eafc3230ae2456f7c107177f6b7a4c138115d6082803ca64c
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 170KB
        • SHA256 74e9ade68179e515490c644094e0ee1bd9d1a486f8dd824d590567743b50e0d2
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 123KB
        • SHA256 f8dc284ff3d78c0bf7581c5d5c7e4dc9148b63fc39a91d678ea936e0b4fafdf3
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 120KB
        • SHA256 617d1ab401aebfca1ad2d4ab83185e9c706bce09cfd1ee5a3d08326e408655f4
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 125KB
        • SHA256 f95a384d1b76a9ca7d40d0f8e2d550846cc26fe841f940d20bde7ec8d8886fe2
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 121KB
        • SHA256 b818f892b059e804ff9f8c23a94649b40cc780336e625eb12eb09d2c4fbe8d90
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 124KB
        • SHA256 7603a25043468cd782d252c892bc8afbabaebecbfee0b2685cbe4a9fe0cb7b55
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 128KB
        • SHA256 34311ad65e0954fdc2d29a3642534fd5ccc8ceb6248ee1cf222278b7b7ed5919
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 117KB
        • SHA256 6577dfee86ca5b926437a48a0017aa0b7cce10b53105bdef838ac984595b623f
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 121KB
        • SHA256 d11948babbbd8de79e480e3eb8a798fa442d20e4ef155928259399107cf53ed9
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 117KB
        • SHA256 8580552ff812a7343e742e58dfb1954401ee17875f2a3a236b7e8d9fd626d203
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 121KB
        • SHA256 fe52f66340c76e5df5a24e72c5ddac7fab44695428f36101d521f17c2a024064
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 122KB
        • SHA256 6b0fd65779637f2c9160e180a92e4d7ad970331b1fbe3e1480bd8ea48f1dfaa3
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 129KB
        • SHA256 e9becda9335ea402b5bf8c4c6b8480f2f8bab4eb027efa105e1398ea182a3af5
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 129KB
        • SHA256 ebc545cb668abebfd44afd71e5abd8116194a300f2621e491cc0380e93eefacd
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 113KB
        • SHA256 5d6c4861620e420c649acd0fb563c23537ddac89321dd9a8db521f15d74d6f83
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 122KB
        • SHA256 9b703947614bb37a6e55e3a982a318419cc197d67f69094bbc01f2187df563e8
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 120KB
        • SHA256 584e75ee3309c5614ad78c03b03686b4262ff7ef7ea850875709e6e2c0aa43ca
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 120KB
        • SHA256 883d4816643897c703c07aab024bd1b44def009f6e06241424966fbfe0f5e80a
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 126KB
        • SHA256 d8e5fae4c3e9a504b335bcf56dbb3bef5a0f99558f2a74106f4dc10d30c9dc8e
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 121KB
        • SHA256 11b4697e0c39001225bf215a5a0e062ab28595b2f7730157afa1411164aa70e1
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 122KB
        • SHA256 517e78eb61805975c07c0dbd5358345b85e788a2a43efed83c60c5aa4ef72dd3
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 122KB
        • SHA256 f906977612f3b56f6e6923f2e498717df825efe0c753a96d8ff3e1c0e3a7db68
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 127KB
        • SHA256 b26ecfccf7f03cc14df991f848983e6f47bb19b781e2f7be197bcfa87c0da6a1
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 122KB
        • SHA256 223c111f559f770325f3cf91f5d3fe38039e0eb76ee3213503f15e3f5e27260f
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 125KB
        • SHA256 d85e4f6dff874142425603bb1fe1a10614a896028068e5f38e30c2324376e658
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 121KB
        • SHA256 42b76d7b6aed75856261ffefd86b1ce51bb143788ecedb84ac6509723e64921a
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 123KB
        • SHA256 4bb1fcc341ad5cfc031c8171efebbb0a3deb30f47c6aa65972e762286077f4f7
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 123KB
        • SHA256 5d7baa8d171d50bff1a16b8deed5ccc0b825ed1d2ce26bd503915d02ed1930a4
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 125KB
        • SHA256 bd33a63c45d6751325eb6d8e581b29c12237d2e7fd430a63556b3a88d5a5ec89
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 113KB
        • SHA256 8a2c434d7a3157085a8d901fdf0201d8417e81575425c246e8a810d575b76ac5
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 113KB
        • SHA256 b6ca22ba9e1536cb3db7969b7138867b176057f9ece566beed70cab4c832bc74
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 121KB
        • SHA256 10cf531724b054a6a5754e02bc7391af205223d0c705df8ceb9cbe5290e2ed84
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 133KB
        • SHA256 29638df2ba6dac1d65bb7d4314d14c3105a622c03fcf8a74f2de402e5d078aff
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 134KB
        • SHA256 ba4bc2d933c539b296e0de546a2a6b8a93f9c9633d9ea6b83ed70304f6d29a4e
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 123KB
        • SHA256 56bf47779ea5fa720bb3e1cd89bb37561be1ec9bef5053c0b16957b5257cf925
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 118KB
        • SHA256 2ef65fa4c3f5d7eaea1314f52a988f74345ee4de9d19f7c75b0491d9bee88549
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 119KB
        • SHA256 cf2d2366d93ed89746d0495f5b61da8e88d085a894f0f7bf69643d9a6bb4dc4b
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 121KB
        • SHA256 8bcf10c6e471cadcf2d110eb272f04612d735442b818532d8a6596e2724f7db1
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 127KB
        • SHA256 f35e0266a4df54b8fff40b51fade878b4dae004100f56f6ea2e16ba15a6d02bb
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 122KB
        • SHA256 4c04c1aae5e0b4aa7a089c0ca08322908604d8cf9cc24d0b193ec486ba647801
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 128KB
        • SHA256 af4a31d14daf338646d085c828c4e00c6bf98673de62d01d1ffa5cd7eaf678e8
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 113KB
        • SHA256 bcbdacbff1d40c394a8beff2e6695ca26a8f4a34450dea3695575161d235c6bc
        • MD5 SHA1 SHA512 SSDEEP

        xerces.md.tmp

        • Path C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp
        • Size 124KB
        • SHA256 14f8b92d3335643b08e459059c38e1b18eb25cc99e4e8601f78a53ab52b24011
        • MD5 SHA1 SHA512 SSDEEP

        _Policy.vpol.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Policy.vpol.exe
        • Size 113KB
        • SHA256 3881079340b6291c188eaee357f12ec9d36e5eab52ac8107a2b0c3427ce1a140
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 112KB
        • SHA256 c10a426161554896689ba511dc30bd33969de1f284c3955c9a03b2caf36c2bee
        • MD5 SHA1 SHA512 SSDEEP