Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 15:38

General

  • Target
    571db309f2e3e50fac312cb8881358295beaf662f6837cedd9784b6ba850d269N.exe
  • Size 144KB
  • Sample241018-s3a2dsvckb
  • SHA256 571db309f2e3e50fac312cb8881358295beaf662f6837cedd9784b6ba850d269
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4883) 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
  • UPX packed file 61 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\571db309f2e3e50fac312cb8881358295beaf662f6837cedd9784b6ba850d269N.exe
    "C:\Users\Admin\AppData\Local\Temp\571db309f2e3e50fac312cb8881358295beaf662f6837cedd9784b6ba850d269N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4224
    • C:\Users\Admin\AppData\Local\Temp\_updates.xml.exe
      "_updates.xml.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.exe.tmp
        • Size 144KB
        • SHA256 c95d606ee6daeb3c2aa817aeea8ccbb3f9e0e24d74220415acec95e35fcfb54d
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp
        • Size 71KB
        • SHA256 012df7e51e8d52aa9b52077d8041a5eb8c08770c755d184776b7eaafcbd4de09
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 183KB
        • SHA256 106b29828e0c2f22563df365d3c540dcbca6aa227a85d2d5b94e294b127053bb
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 c665f38cafd98f18a18e4c5d60175ba172160205c29f6ee6b0e371395773fefb
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 4154f6cc6814c81cb38459f8a18747eea5e56cdc02bacd8b421019c7dc2a24dc
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 617KB
        • SHA256 c2655ee2b9a7e788b6c2bbec744b7025358dfffbc84d89e204e5c575d967de72
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 282KB
        • SHA256 cd69e2b0e5dff72bec23b4c1c923318e2c137c6705ab21334334cd5798b38d0b
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 261KB
        • SHA256 511ab86b86b23e859664beb4fbe9245a94292c6f0a7f633ccc84acfd3c23a68f
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1003KB
        • SHA256 73498196c09216f1e67ffd86ecb0abf562e016215df23dbf9932693af4b39648
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 757KB
        • SHA256 aa7b7cef8dd1b01395594a203be308441350c8387123eba99b0d9b68aa247ee1
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 80KB
        • SHA256 792456053555c5dfb13288284a281c51e3a5e66bc9a3a90c70f37ddc24f6aa6d
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 76KB
        • SHA256 cc96b95eebcc362353d2996922dd9397631633c511022c0e82e3d569553dcde7
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 80KB
        • SHA256 d61e0edb0a68208b184c5622f3af42cae6834a63175c8016c7592072e5d1b2e5
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 82KB
        • SHA256 070b65ba882339bb99105bea082bd89bd81af05fa9ed2a7dd33dafd7a2125597
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 87KB
        • SHA256 dfba3e3871f4f8cdcd2a81d2408fe5d618dcf94f708e3043949e34996f7c27b9
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 78KB
        • SHA256 fdeb9e0f5dc17fbfcae3f9d92e99669945883bb944ab19dd3b9abff0a5e89d87
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 81KB
        • SHA256 05189fb086d77fe52e5920d467c10f9640735fa447262b23663bcf0b47119e77
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 82KB
        • SHA256 79e81f0e98b6aeb463a2e5ab658d916350eb92f164d756d1412bd5d83e21d0b9
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 82KB
        • SHA256 37db81bd664b1f3a8e8462e14fb7f276229a7d561fa01d679ea4d6d02b470c51
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 89KB
        • SHA256 68860c2eaffd76725b18501f3a3656827e0815f390925afba0cb0d37c99ab0a8
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 82KB
        • SHA256 35b83335698c2bfc43ac5145512cc30ed93d9dcd894aebeb61fbaaf8278dc0cb
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 80KB
        • SHA256 3b3af7e0eecd5b9895748f9b5106963a74bc43bd4304ab35a7cc7e6ace622c3d
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 86KB
        • SHA256 8495c105f1cd67cc63d95fc9b78dd5bafdc1f0f6d1a53f3c30141ecff4fecb4e
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 80KB
        • SHA256 a400daa824cf84aa2a9543e9c06dbfa15cd6664edd9a863acf2edfeb04b09ad6
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 81KB
        • SHA256 7c69e646439607f938bd5285c0c31897edc94a72d18a320d867651251ceda3ae
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 80KB
        • SHA256 b104845442fdb739c5e043d1bf88341ae78fb40965d5f0da6c7c858dd73159d6
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 88KB
        • SHA256 3a1a2731f3e03b9cfd8530e3f8fc2fa731683688df140cec3f2d176ee4dea1e7
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 88KB
        • SHA256 6bf8eeaef50ff477a69ac033b35f24a83184a924e59ca06e239b7259e65e3f66
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 82KB
        • SHA256 fe0d033d184e8a386dd99a298ddcf4475bbbe6aab5f80436c65775c26580f232
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 79KB
        • SHA256 d46b9b7db84c6c80ef43c138efa0a73d76e6c60b4b3b8ab5a19a5527f56b8566
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 82KB
        • SHA256 6326c740a50580b79358c7f3f3a1bebf8342e83392502b4cfc8ec61e2909a3cb
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 90KB
        • SHA256 d604b1b94a95e6109ea855d6479ac69286f991e27dbfba16f4bc2732c254ecd0
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 81KB
        • SHA256 e535ce0c90f457f1365155ee2be3fd474c8e52c9b78030835b69ee9835e92f98
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 83KB
        • SHA256 112b58da98ea362afc152f935e87c0e8416c1c018ecfb1d318ecd46bff318a72
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 83KB
        • SHA256 04c177f06336d22939dac82a8abdecd9ead3a8adb1074da563653c6042096a9a
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 76KB
        • SHA256 8e48ab67f18366f56e7ca979ba7a06b52c18f3d13cdcf4ce89a82e82497a86b9
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 83KB
        • SHA256 e837d41dd1ff3fd729c45be6f2f72365433a2235210db3dc7f726f28d2d50e43
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 76KB
        • SHA256 0ab5f9c7f05eeb350512e96bb732cabc5ac5e58fe824461b2bf4cc8d252a2eb6
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 79KB
        • SHA256 41512a3bc9a88a879d806e30239fe8b7b76b0709d144488ececbf3675f8f20ad
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 81KB
        • SHA256 5cfae2a594faacc9cc453d77e07078aed480f942263f29df0c98c7330612a934
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 92KB
        • SHA256 c6031566f4d145643190414ef8d99a020cd26e466d8f77db20c04a285618057a
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 94KB
        • SHA256 e8e7e807ebe888923cfe1554a1b4febb9f60f8e4892602729fcf5e5163806ffd
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 83KB
        • SHA256 6dfa4da349215c6a0c46b665a8873dba17ece9e9baae91be2f9a4a987e3c115c
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 78KB
        • SHA256 67d65ebca98886d2cd41d449834a14b31961c90d78542bc3339ca51f9f0e868a
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 79KB
        • SHA256 a0055b837493265f263d1d063d786d0510e4eb8a7f14e02ba020c48e365db51d
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 86KB
        • SHA256 301cdf1203ddc0b169612cf7b0cef2caa31d47a380a51e2ccebef46068a4dbf8
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 82KB
        • SHA256 ed6e2f7375ef1d5cdb24362144e78cc32a11ca025e91bdd3954990a9ac4bed74
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 87KB
        • SHA256 547d1226b0595a306968c1379b9c8dbd425002f64e2518b796e7a7bf0e317bfa
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 81KB
        • SHA256 8f307b9ff61ce4d96887702f731dd7d16c31e01b2fb464963e05cd573ad35543
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 82KB
        • SHA256 b36f3ce9c0a3c4cf37e93ed663e9f2dc1abc47b0b6170cf9ae2cd4c55c83750a
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 80KB
        • SHA256 f643850f37d5768f7d3b59d7b9fcfadcec89646a325698f905ccacff362ea003
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 88KB
        • SHA256 c5308f930cf6be5ad3309453c9885ff014e8010c0ff63e8e8e06db3906b2fa8f
        • MD5 SHA1 SHA512 SSDEEP

        sa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sa.txt.tmp
        • Size 91KB
        • SHA256 75ae5047cf70fa33b443a16195a0cb7326f77f186f8115e8d1d4e72a097324c8
        • MD5 SHA1 SHA512 SSDEEP

        sk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sk.txt.tmp
        • Size 82KB
        • SHA256 05e4f47e3bec7e11ef5f497f37c5b426defa78ece432a15642a3de8821786d61
        • MD5 SHA1 SHA512 SSDEEP

        sq.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sq.txt.tmp
        • Size 78KB
        • SHA256 9871cf3b70af4266ab16769a08fa3341f6f96a34daf8512d7ad6bd4e0915875d
        • MD5 SHA1 SHA512 SSDEEP

        sr-spc.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp
        • Size 73KB
        • SHA256 28e0294c94b11c2447964ff90904201038d88e03e5199e885781537da87e12d9
        • MD5 SHA1 SHA512 SSDEEP

        sr-spl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp
        • Size 80KB
        • SHA256 190096a6af9e73a10777ad6e230f6adfcc1e7b3fe425ca758454dbf110c04496
        • MD5 SHA1 SHA512 SSDEEP

        HomeStudentVNextR_Retail-ppd.xrm-ms.tmp

        • Path C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp
        • Size 95KB
        • SHA256 3b115affc77b26a8f76b350e4546e589b786416ccaa22daa3de18385c9167d2c
        • MD5 SHA1 SHA512 SSDEEP

        _updates.xml.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_updates.xml.exe
        • Size 73KB
        • SHA256 2b1366f2b7a4217bcf4281e5b5ad679d2b3e5b4907375161f6d9671f4a48e313
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 70KB
        • SHA256 e84a6eee22d5e883c693ec78b0022bd5f4d240dab432948602a8b3d0dc9cd78b
        • MD5 SHA1 SHA512 SSDEEP

        memory/2164-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2164-939-0x0000000000400000-0x000000000040A000-memory.dmp