Analysis

  • max time kernel
    120s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 01:10

General

  • Target
    7f5937b53bf46a023a570f8d260374d0N.exe
  • Size 122KB
  • Sample240820-bjwejszemm
  • SHA256 05d625ec2194ee8e010a32eef1677946db49eef6dd0225e967dd865f84a29ab8
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4684) 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\7f5937b53bf46a023a570f8d260374d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7f5937b53bf46a023a570f8d260374d0N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
      "_Firefox.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4564
    • 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:4852

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.exe.tmp
        • Size 122KB
        • SHA256 68cdcb46ac8b968bfca3dbe024af4792232eb5cb306cc71d9f72c65e51e5992e
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp
        • Size 62KB
        • SHA256 2f6a5db9ff66c06a301d264b6aef40e5a0ab5425188bd0456ac8b7613fd6cef8
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 174KB
        • SHA256 42626456968629d88c8a74e25cc205763fe4fe3d37c9a564e2c34a3214594bf3
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 a0f605c3114b439790fba9ff8f40e1143788d337917d93b5e4d7c5e4f9d1d7e0
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 4215048fe61d323251d1d0e5d64ec2319ba04347ce2669e4deb53505f0f62bcb
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 606KB
        • SHA256 c43808e0fb27b26d5f51ff428c610f0118db030fee6835b367cd9c25f7a8702f
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 271KB
        • SHA256 ca4a0283e1414bf6da2a33f0c11ed3ac0e55a2f3562899eeda056ad7d59a7aec
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 250KB
        • SHA256 cdec93935a98ed6283e62e238de66e9e7066284c69d0de586b81e790291ecee1
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 992KB
        • SHA256 bea2ecab1c616ca2635be0ee1adb3d394c603a6910a0ac37ebc410ddbb4f3267
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 746KB
        • SHA256 4bb9c7fcc75f13c1422fc6d543eb982196d8ed6fb17dbdea230c9333711d125f
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 119KB
        • SHA256 2cf86711b5717cff3d202b794a1f9840d697658d54929fa93ad4605a3085927b
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 71KB
        • SHA256 12580b3dc7c3bed160ea983bafd2a0bdef5ae5d10737af5be53a70411d976f32
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 69KB
        • SHA256 59ff863710d04e027a799cd5a5e6fb8774bb16e744f8d938bfd8b32ff81dd160
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 72KB
        • SHA256 7729f3ac37853ba72175ef1c175d97bfa5837c554a8c0a39b5d7cb753ae32150
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 71KB
        • SHA256 d4e690eb1c6d80a0c37a191e58652ca6487590a685d61adbec1c805698432ade
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 73KB
        • SHA256 637f7c60adeca0f65df98341a6e5f192b954ffec8b242079239d9e9034326a0f
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 73KB
        • SHA256 6cff4615657f3dc878df30b201b5e5b9e63e58238425dfcde10b36f44a762d2b
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 74KB
        • SHA256 7fae55fd94d96b16eb56790404604f1c283d22f2fba47f8d16d66422f4d8309a
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 74KB
        • SHA256 d5dfffdd199116b761b86165d50294e5b83e827568d0ba5e359e4f3f8eeffb51
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 72KB
        • SHA256 f6d84e94c8abd6add6468e1768c62bd5e9c031233de10ce512360a1bac8dd576
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 60KB
        • SHA256 e520623c4dd32410e2baed0fb098fc4963c30616bddfd9cfddb72fa1635157bf
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 71KB
        • SHA256 431031ce30cb632614e4ef5528567bf2396718f05129c72a5472dab1de20d137
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 68KB
        • SHA256 8bdfb6bc8604f42e89e26d34ee2518477ea693713fcf29fbc6116ddd1e795250
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 68KB
        • SHA256 4ec896066a3166659ddf3222d34f987b95949f4ab66e2b0c70c222eb4ffd3d2f
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 73KB
        • SHA256 62da9a1a9ad14c1144ecaa54e2df75af3559bd739c7560c87e8847f50e84f62a
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 68KB
        • SHA256 9fe6b2a9bd0602a87beff71dbe3898a37f7536363aff7d46f34629a43707f15d
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 69KB
        • SHA256 11d62c0f31feeedc9775ae284632a3c312fe1c82424c4bf864b8c19705b7ba8d
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 67KB
        • SHA256 53b05a3f7ddb9e7111f3912b7c4f9a5ba64abed5f3304f72213d2036c3559641
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 69KB
        • SHA256 4f4e98d89dd6193dddcde24f31025437fc974a2ba216bac1d331a3fa88d62bb2
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 77KB
        • SHA256 eecda0bb0fcb011700a023c6b6def450069e051f2893593163eb1e4b91b671f9
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 79KB
        • SHA256 2b5ae0f399b8ea63f4786a3dbbfd757874dc807c14f0d6075e3e576bc6ade065
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 72KB
        • SHA256 64c8d24c4179e8f9cb2b200b043203765dae8332bbd66e23147de8ae1f5632ca
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 75KB
        • SHA256 b37df237c20bf3c0ee31ec1e3fd502c828b0425429b321ddd34c52ddb7cb84d8
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 71KB
        • SHA256 2bc91ad0ee174e8b4b02486c39648de556c9c32625b04ffbaabfc75a7972d16c
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 70KB
        • SHA256 6989341b973303560164ed49c4666908751ff39e412f8577ef0e058ac7b93f95
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 70KB
        • SHA256 3379f616eac212313c2d098d80d1b5652e3aa632770f050398bedc1c14754b3b
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 70KB
        • SHA256 f132ff4b8b74a3e417d206500dc8114f185f234a21af57f73418ce6bcb8f6fe7
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 72KB
        • SHA256 a01091e815451990ac3c853b6e6499e939c9d676980a97f1cd53acac61453557
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 72KB
        • SHA256 352555ee4ecdb1cffc8d87394cdf87287cc36a76cdcec22153bd5bc57c863ad1
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 69KB
        • SHA256 79576c364695409913be03f1c9c6a6c7dde787f306299b64bb6bbc32a1896b76
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 71KB
        • SHA256 351f31d503aa6981556be4deee2ddde9481c792ae1e58af993cebde3b25511d5
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 70KB
        • SHA256 fd6ddd39484638c2bf7b09657958c75b0ddb3d016e0f2f5ce4d5ff262ce3d28a
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 81KB
        • SHA256 b9c40b18a05f30fedef4c0346fcba23425fe9388eb103701582839dd7e02a4ac
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 64KB
        • SHA256 aade045c59bfb68b84b1ac60ca88dd7712b53f3c666e7407c761fa90f4a7c69e
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 83KB
        • SHA256 d2f326a1edbcddbba8e55d00cad03b4ef3aef6daaaf260d3c2de1a2b5b223a3a
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 70KB
        • SHA256 99d3f776432ee2768de67cef9a5530f13853d63c87b2fe18543f7ad5b9b11c0f
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 67KB
        • SHA256 6a2c41400d46bf370bb154e2c16732cb8b48f2fa3f7c4e05bbe488135bed061f
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 65KB
        • SHA256 5ebf9e8774ded74e1b53e5f594df1194e2bcab3c7d2ff9f1c6fde83722a42d3d
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 65KB
        • SHA256 b92c8e22f22ff4ba068936feb95314c89e0858669155b61844a2194a1ff6ce70
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 69KB
        • SHA256 facca311f538d90faab8dca97c274de000affbb64f97e54b7d7b8c13c86a3e1f
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 76KB
        • SHA256 e581b513b4f04b90d49a974a5b4337f587f0db3901795b55f0e6b6a6da678031
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 69KB
        • SHA256 509b664f5bdb522db71acba539a6f916c08317409ea8205132e1b365920aa99e
        • MD5 SHA1 SHA512 SSDEEP

        content-types.properties.tmp

        • Path C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp
        • Size 65KB
        • SHA256 e5c66b479470334ec5cc79870654bf401bd7d8aaae952f65d2094a130980fefc
        • MD5 SHA1 SHA512 SSDEEP

        _Firefox.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
        • Size 62KB
        • SHA256 207d0c34db58f652751086bfc05ea3dcacd1244472775e68f1601cacee0213d4
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 60KB
        • SHA256 f34798a6af8e679b35fc61adce6db8dd36cd3178f989862bd4ca86d93f8f834f
        • MD5 SHA1 SHA512 SSDEEP