Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 09:13

General

  • Target
    cd63e0878d6f0e2e5fce67b94e58738c68ff4e486e97ba2d44b686d813fc95c8N.exe
  • Size 178KB
  • Sample241009-k6ymvsxcla
  • SHA256 cd63e0878d6f0e2e5fce67b94e58738c68ff4e486e97ba2d44b686d813fc95c8
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4399) 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
  • 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\cd63e0878d6f0e2e5fce67b94e58738c68ff4e486e97ba2d44b686d813fc95c8N.exe
    "C:\Users\Admin\AppData\Local\Temp\cd63e0878d6f0e2e5fce67b94e58738c68ff4e486e97ba2d44b686d813fc95c8N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\_MS.SKYPEFB_BASIC.16.1033.hxn.exe
      "_MS.SKYPEFB_BASIC.16.1033.hxn.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2536
    • 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:892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.exe
        • Size 88KB
        • SHA256 692593d57d31cd052537019dd21130b088f36746f75bd3558dc66c710c081de5
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.exe.tmp
        • Size 178KB
        • SHA256 c5739262129f348e1227e4bac41b69c755a37f1372fa7558843d23b70727e02f
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 201KB
        • SHA256 b21d7f0a41c3d093ed39cb4d02c322a4fad4e8d4ee84a714094846fb0082d425
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 153KB
        • SHA256 b850cefeb476c15f51c97e924b8df953cf6ec05adf0f1efbb9d1e7a90e7d427c
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 528KB
        • SHA256 b56f10052fa39ea43337a4b31975f845a788c8205bad0addb7906cfeb3d4b407
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 184KB
        • SHA256 2560b3a75d08297a30c95b872cda2fe3873a2ebf09f793baeece047f6a248431
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 298KB
        • SHA256 b23e580ed326d82ecc51411a9dad0f410135bf2d36258ccbb80928748b768a51
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1019KB
        • SHA256 d0dd14b496ee27a54456dc64dbaa1730a16a895bde51bcaad5e72ee2101c5f32
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 772KB
        • SHA256 4fdda55cd706d8f0aebd81554fab3431a1756d0a4ee979015235fa2a55a536c3
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 99KB
        • SHA256 3ec525c107650f21a0ed482606c3daef30b1665dc9e50d646f7a8cb0a4dc37d2
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 97KB
        • SHA256 6c39c56cce9b9cee4fc7c7eefdcaf67295e4d3baeef0c4e89f3654f145edefda
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 102KB
        • SHA256 bb54280159f18233f65d06aadb9d8ec137b6e3f02f42eb384abbb3aedfe41e1a
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 94KB
        • SHA256 6bc4e321936c06349e988aace7460a07189c862197bd35715999f88aa513288b
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 98KB
        • SHA256 7c510c50f070acdb32f2b10a872fae2e688365795f2a2791366b3f88b0dd5bb6
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 99KB
        • SHA256 553ce61daec66c20089b422232600723b526a7be89e38f90944971a21d3a913b
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 89KB
        • SHA256 e9420d12d8688793c104fa68e22167013e2a2f02daa012acaa1a336f3d5fa79e
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 94KB
        • SHA256 8680f5d467340c65279122b6e4c9b4fe6fee4ae385c7f2c79fcce51645116034
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 98KB
        • SHA256 b5c8c74dd83906f6bd0b52769b1c8383a2403346180f4f2a34ef6a40043fac15
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 98KB
        • SHA256 297639aeb4de5256b0c8ed359b4f6cb77b60b1febd60a2bc0f642adfbe40f9a5
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 94KB
        • SHA256 b1d5120aa07c2043e8dddabbb513767a398841aa198b32bf2a91f59a39d0fe49
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 97KB
        • SHA256 3b0f048ee313118f52cebab1d0070636badd5402883814758af6cccc1e6b64f3
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 98KB
        • SHA256 458a00fc9ecbabed45cb862d1f599ec8ef72b376cdec6b4a062d7b1f779200a2
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 106KB
        • SHA256 59333a8be914b9e6cf0005ac33a30f22abcde524f96eae0b617259416919320f
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 89KB
        • SHA256 32a849ce688fbf71c27485aacbe6f16fc12085034c9044e6890cbeb8f29bac68
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 89KB
        • SHA256 9b78207980207ea9e8e4488f7e96444c4f5e70825e750ef932b706d1819979ed
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 16KB
        • SHA256 18c1a5841909a325ef24b049b01a9bea0d3ae7e43dc32937bb6c9f994e7b49bb
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 102KB
        • SHA256 f062d65265f7ce859918112d59064a484ece69bdb16e9b9b60d47e848b135952
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 98KB
        • SHA256 e0a3bde42448c522cb74e460c714e35565d6061512783bb9d48d933cdfa80064
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 96KB
        • SHA256 05e4a82bc898101a53192098478d67b6b961846dea4a07b47d2326968ceaf797
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 95KB
        • SHA256 4c99c981fbe7a74adb941cb2120091f39ba4952438598e6c22937814e363e4ca
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 96KB
        • SHA256 32d8c25375d2f831bc31330d3d634fd0ddb8b70d2eb43f7d7150f70ad0749263
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 98KB
        • SHA256 8292a6677a25d1674b18624a59aaacc96d2a223d99ab88c2a7258a1b06b35434
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 106KB
        • SHA256 2727a37ca9d20320baf1305da4ca56cffe705ee6028bc343852c917d6a8c3af5
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 100KB
        • SHA256 2e3a24da17c7e5b59c10e578a02f070181980f021604f7573a401e8697989ef4
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 88KB
        • SHA256 783604564cc51ae613cf5df6dbbabb91ebed636f1524d1ca960983374855a343
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 99KB
        • SHA256 9e3d97a34e4feda17fa6942b2ba54c1288c240bc314153f71f62d00d08d4e10a
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 102KB
        • SHA256 fe5b54d9ad3d7088e9ab0f2992ee227a10d9e12933963eeb4b2e374e43877d29
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 97KB
        • SHA256 895c719c56defbc4fc2257ef2baf942e457fc8d4f7e4526eb87742e3c92ef3d0
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 98KB
        • SHA256 f7e3edbf7da79bb9165250ff4d5091c6bbc9663cb70a6fd23feeb49fe3414ce7
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 98KB
        • SHA256 48826ec1868684a081ceb18762a1fe021463207ccb5ffb066ba5b3aad9ec7675
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 88KB
        • SHA256 930042589868670261defbdb6eb09cebacc02255ef68c903eca57f4b72cf368f
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 96KB
        • SHA256 e557c238b22167187d57a1a2736d9a75cbc87756a02e0111dd8907255a701f70
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 97KB
        • SHA256 a7a05c306782d28f3dd2bce932551067ee1252340a01a8eee718bb5cc880f01c
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 99KB
        • SHA256 d5292c235c80ece18c0a7a9bbd3ca8ee9f2331f3d65a1f992ea1de62e7580124
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 99KB
        • SHA256 8e1c8331cdf5865798072bdfb14653e6a43d4c87cf871a3506b7cdbdf6fc858d
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 101KB
        • SHA256 56e340c85564958f838c54d49fd4ddc0695ec3adf79f0f3459fb91e49498fc08
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 101KB
        • SHA256 db2dc8e9ff6b5939a59c24e00965b3e83c4613bd32e6f5a6f6e7547f957b1bad
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 97KB
        • SHA256 bb2ca26ceda39a6f87938ffadb81a37e922e8b909eed0de0cf5202de3289ab40
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 89KB
        • SHA256 7b762b2c96b8316790a89a7a5ff03c73073cd72b907ff3e0766d8672c4093232
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 97KB
        • SHA256 38422b88eb38b461f3c48928e1626592310a880f41dbe7adcdf2ad838114c30e
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 96KB
        • SHA256 1b181c8c6a572aa2022514194ee01b2fc59f718e966b8aa4064040fadf1616c6
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 109KB
        • SHA256 1a06a1692bd803f49f8407268dd36162add3f0a362b7b1a797427964a7b6a6c8
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 99KB
        • SHA256 3fac9f34915a76c3377d34a2e37cbd28416b2fdc8433797330cf3672dc92c39c
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 95KB
        • SHA256 3eb4b6fc8a0784e194b2b396fd1ddaab35ee429de7fbbd074d37f7d2ccc30bbd
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 102KB
        • SHA256 e4659ca14962480b8e637f6a5bf41d6dc1fe36692cb4904119918822839c96f8
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 98KB
        • SHA256 73ee6453313df3c1a8b104740caba30d07c921b8f0b32cc37d32afca80ce9050
        • MD5 SHA1 SHA512 SSDEEP

        HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp

        • Path C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp
        • Size 100KB
        • SHA256 aaff7ff8478c6658331ec6b39f725a56a2c4a80bfa3009c6401e07e8ae9fd6f6
        • MD5 SHA1 SHA512 SSDEEP

        _MS.SKYPEFB_BASIC.16.1033.hxn.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MS.SKYPEFB_BASIC.16.1033.hxn.exe
        • Size 89KB
        • SHA256 bf0b5047669612277180a43a77a775f7577e5a970358f32687c3887fea755130
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 88KB
        • SHA256 e5f2d21ced2b269d3d7a9ad0285ce1d5678751064921e6ab48edd23c96998b48
        • MD5 SHA1 SHA512 SSDEEP