Analysis

  • max time kernel
    149s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 23:49

General

  • Target
    7a5d5f20d725ec9feb4614faf326988efb4f7850a9d93720464cb26397b0bdd9.exe
  • Size 91KB
  • Sample241008-3vb9lathme
  • SHA256 7a5d5f20d725ec9feb4614faf326988efb4f7850a9d93720464cb26397b0bdd9
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5185) 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\7a5d5f20d725ec9feb4614faf326988efb4f7850a9d93720464cb26397b0bdd9.exe
    "C:\Users\Admin\AppData\Local\Temp\7a5d5f20d725ec9feb4614faf326988efb4f7850a9d93720464cb26397b0bdd9.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Users\Admin\AppData\Local\Temp\_MS.LYNC_BASIC.16.1033.hxn.exe
      "_MS.LYNC_BASIC.16.1033.hxn.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4904
    • 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:4608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp
        • Size 46KB
        • SHA256 e6d8f0107cb80d5874dda9493e8f30813192d16f3f09f52886fcd8f027ceda1c
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 145KB
        • SHA256 2c16a928ed61f6d1b2d8bf2a5f032e4e65cd711fa42be6d42d7a74ff8905c365
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 71ad890ccb970827fd85fa0c727552dedc5b927d593c02533209eb883541e4f9
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 589KB
        • SHA256 0b38aca3d790613c8d24d09e92c4c2daadb27f410e18816553447ad37bef879b
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 234KB
        • SHA256 2f8d9863e0ecf2e50396c6086b161f8333c93c60e699dcc4db63f998417cb7ef
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 976KB
        • SHA256 db09583e21c75f653a95a5e8f594a0664a19de2a5df9093bbe89cef35d9dbdbb
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 730KB
        • SHA256 6492ffbf217a2dd66e8b55155916207c38e4709e81ad3f3af61d04daea76e059
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 56KB
        • SHA256 128805984e4574a1ba82c0b65f1e5d92f0584fbbd42d55f10a314e5dd5877452
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.exe

        • Path C:\Program Files\7-Zip\Lang\an.txt.exe
        • Size 53KB
        • SHA256 e9c17f7f8c94260d497226917a3bf05c69cbc4a34b7270787d99504450c4f784
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.exe

        • Path C:\Program Files\7-Zip\Lang\ar.txt.exe
        • Size 58KB
        • SHA256 aaf84c2eaf94d8eb1f3fa7af94c47eba6cdd296f9d801196f77a47bc04fef62d
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.exe

        • Path C:\Program Files\7-Zip\Lang\ast.txt.exe
        • Size 51KB
        • SHA256 15bbd59356db0f7d1011cd80fb7bd4b104f3a06e7d437d9450bccbb6275b6dfc
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.exe

        • Path C:\Program Files\7-Zip\Lang\az.txt.exe
        • Size 55KB
        • SHA256 62f317ca9b7684f94f11665d51acd4b1240a5378616fffe230f4ebd400226765
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 55KB
        • SHA256 8b5a0f52ad06967187c0bb8bb298d66c7f91785e44ce10c5d7802cb6792e432b
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 52KB
        • SHA256 dadf9299f027df7ae9fde66f586cfddc73fe1548af8db056a571cfd88680dcaf
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 53KB
        • SHA256 75152b2dab915b520729e4414233128b8810ac7a2f3d7e7bc766920ab4a960f2
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 59KB
        • SHA256 78e2d9c7d21b847d45b5a047a01f1525ba25a24a6e59fdd120b45480bb07725c
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 55KB
        • SHA256 1ae292cb17c7ede99457566f3e0f7fbb641450f8a48ca563a5a998216cf79c5b
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 53KB
        • SHA256 ce629cc3519cd2741a51d4baa6363d42bef92d7117aa889552b00e566fb392eb
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 55KB
        • SHA256 73fcec9e1905ead9e10928b561852b1bdc904d82d0e3809a7c61606af2fa5417
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 63KB
        • SHA256 8e31b90463ecdb94b61b03d9cdcc04846718105fb640c2a0bb9c1cb79a98e44e
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 57KB
        • SHA256 4a6bd27735c79a767d31586d73b7114ae4b12b024cc1ddb0029012de3a79c77b
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 63KB
        • SHA256 0f2d74b50c468528a2323c2b5b856719de83a0d53c50fab4d85a5c875cabf717
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 56KB
        • SHA256 e4d60ea12ffa7a40098e58d6dbd4ba62c99f832c54a6a8a35124cb802741ecae
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 54KB
        • SHA256 9e3009483ff4307641d76773f7eb7185aba75df284427328c1234ba7b9d05329
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 54KB
        • SHA256 9eda4977376f13ed5a042c8f6be4fb3c38e3ff42831cca9afa142afa5f6d4180
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 55KB
        • SHA256 64a35209d5e0700cdd6d968e21ad8d611af7d203d44da00bd2b477b3ea46510d
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 54KB
        • SHA256 f40ee54113fa7447a37a86dde87efdb22b6a4c58eb865fe9518e35e0581df284
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 56KB
        • SHA256 ac5d5c794f2894c583c7b54cccc3c6408e48713974cb6950db6aafd420d12a91
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 56KB
        • SHA256 696098e27f15a918ce787356f0aa3b7af3e44dde857c8a6637f0b909bf5b7a9b
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 57KB
        • SHA256 985303e69427781dec36331f5bbe20ea6ef8d9e0ef06972b30435242abbd1dcd
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 54KB
        • SHA256 f44457db8512519ad40c6660e5b5e72df927bfb674b60d9e9fa0fda2908ddacc
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 55KB
        • SHA256 498dad108d1ae733ec95cf51486cb85480799191e7cc1ea4e091048a4ff47a67
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 54KB
        • SHA256 5787fe97a5298feb71195d7c7ec92dcb002198ba769c3a9ab1a223c2513d5ea4
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 66KB
        • SHA256 32fa4740d0518a406b2c4e8f0d84fc4cbda013ccb0f591e525a84ba241893bbf
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 56KB
        • SHA256 a95e79bcad0fd0527ffa64a6809520bafd7d0b1f6a93535b5fd66b17e066bcab
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 51KB
        • SHA256 61535c6afc60edb7b9cb43b3ab9c9abbc1c5e49b3257134b2b9843f08502b6b4
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 52KB
        • SHA256 dfb5649b1d95589c3b2d786470ee6aa764c5ee2042d3a1bb7204d83bdab9e0a6
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 45KB
        • SHA256 e19439ca9d55ddcb191facf453c4eff81080746b38af8086c2c6eeeeff01de38
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 52KB
        • SHA256 978554e467b40e30c5c65fa87b4f310a26adfd2263311eca380f30c6f8c19b89
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 60KB
        • SHA256 212e4b896b6ae53f9009d49c5a87cbc9702f2f1dfd646c71c8c669a619084191
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 55KB
        • SHA256 51d51883f6cce9eb5e2dace742ea9bcbb2167fb6de0ce932d0382e6e4b80f04d
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 55KB
        • SHA256 7a39417124c428bbaeefb26a9d5d735ce39b04e43a58f995b12c794e4bb6c3e3
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 52KB
        • SHA256 0b74733a910f8f8f62542ca8c97684e3b8d7a768665947c924e3bd9e95960a8c
        • MD5 SHA1 SHA512 SSDEEP

        sk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sk.txt.tmp
        • Size 55KB
        • SHA256 6577907afa9c940d528f59dd52f98d72e74dd3a143b260ba0e23b665b9096161
        • MD5 SHA1 SHA512 SSDEEP

        sr-spc.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp
        • Size 58KB
        • SHA256 b45241daa7c897199bf1d6ca14c3b2f2e59bc430abbb61f4ec0674369dc57c6b
        • MD5 SHA1 SHA512 SSDEEP

        sr-spl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp
        • Size 53KB
        • SHA256 7234a17c40155f119025c383cd518b22e70f481c43c2c78e222849d5f3bd7433
        • MD5 SHA1 SHA512 SSDEEP

        sv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sv.txt.tmp
        • Size 54KB
        • SHA256 7d45b11fe5782422393796e3b5b2933e4fbe5033109dc37336012af19825aa6e
        • MD5 SHA1 SHA512 SSDEEP

        th.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\th.txt.tmp
        • Size 61KB
        • SHA256 0db9897faa9dbfc37174fc6299c7e2fda5b45177d47ffadd89b178a7b8fb2bf0
        • MD5 SHA1 SHA512 SSDEEP

        tk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\tk.txt.tmp
        • Size 55KB
        • SHA256 fff5e5510c3c20279701d29328cfcaf7cee81e7db80bc69f8b771ca6a20940b1
        • MD5 SHA1 SHA512 SSDEEP

        tr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\tr.txt.tmp
        • Size 55KB
        • SHA256 61df28f7e33de665f4df8f4de3e896e8f99e0c2123b1a05edab2bb96e996e9d1
        • MD5 SHA1 SHA512 SSDEEP

        tt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\tt.txt.tmp
        • Size 59KB
        • SHA256 4b8a9e552b13b03ecb42de286674e0b48fac05585792d5f5cb20a94bc61cae88
        • MD5 SHA1 SHA512 SSDEEP

        ug.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ug.txt.tmp
        • Size 56KB
        • SHA256 0f4b986640f96ca536b492e923e43278969bd6d7a559af6ee17d3678953761a0
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-namedpipe-l1-1-0.dll.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp
        • Size 57KB
        • SHA256 c6333c8db191ebaae1828232c121f4790c3f091bc062db4c000800aa27b841e1
        • MD5 SHA1 SHA512 SSDEEP

        _MS.LYNC_BASIC.16.1033.hxn.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MS.LYNC_BASIC.16.1033.hxn.exe
        • Size 46KB
        • SHA256 bfa9081d8a9550721501a38c3590a1c6a1b9d9c94e9303bae2b1502c5d162dc1
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 45KB
        • SHA256 9bd2183ec9e7d476e634fba986ec6c1177ea329fab773ff7eb66b16d855ecbcd
        • MD5 SHA1 SHA512 SSDEEP