Analysis

  • max time kernel
    120s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2024, 19:38

General

  • Target
    6332c4278ffaf582df9f07ccfa001ab06c0a28fc490112700017cd1bd6eb0894N.exe
  • Size 99KB
  • Sample241019-ycfrvavanh
  • SHA256 6332c4278ffaf582df9f07ccfa001ab06c0a28fc490112700017cd1bd6eb0894
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4368) 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\6332c4278ffaf582df9f07ccfa001ab06c0a28fc490112700017cd1bd6eb0894N.exe
    "C:\Users\Admin\AppData\Local\Temp\6332c4278ffaf582df9f07ccfa001ab06c0a28fc490112700017cd1bd6eb0894N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4392
    • 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:4196
    • 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:116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp
        • Size 48KB
        • SHA256 8aeb16e747aa2152e0ccb582a096bdd22fcd30a5169c42a8a8f7bf6cce36fa02
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.tmp

        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 163KB
        • SHA256 7465f86c379bbdc1a8bad2bf25b0747fb956b30c131eb6f3d956344f659affbd
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 115KB
        • SHA256 3b6efa61d7eaf6a7ac0fd2f51a59c616f5894ed55ccb66565f6b48942d940b5c
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 fec30bdfe2a21ca45c1af7ea42f47dd10066f265cf8f0a73041f5e883a21ac79
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 592KB
        • SHA256 51738cf291c7f7109ce07e43e2d3c570ac4c227b2b0d4c65b79201fb0e3ab478
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 260KB
        • SHA256 548904a6ae21476e8e23c58d300f02939d19fd036a2983cc8e5da04e61332ef9
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 239KB
        • SHA256 868ab9ecc6e0f5022fdf41443d95b0a6686d9e8f96992bef65a5de652049ceb2
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 734KB
        • SHA256 e44be6851e894ce06051b0e38cec8b380e38673f05e8e52caff31b583a6376d1
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 105KB
        • SHA256 6df587124bf7ed46481b51374f848584ba7c082b19ac90925f72a1dc237eb3f6
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 58KB
        • SHA256 8d6f8cb5947a4921cd9b1fdff70bd8abcd795e72ab76cd2388d70dde73daf857
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 63KB
        • SHA256 45d2a4cc35d8557baf29ae2f8a0f92c499a5ac3e60274964497a53f6705e33b2
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 57KB
        • SHA256 64bf5060ef6a27b1b8fe6a91a08bfba540801bd2cf393358c0a713e3215aadf0
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 59KB
        • SHA256 c1125e76c40a0197671d10d62e87b5d4767eae0b09efb1e5ef1fb680873e15e2
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 61KB
        • SHA256 c50f3ef5a58fd158e35a23dba53ce820e74818ef201973bc817fe0e5d1e4a800
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 55KB
        • SHA256 33d2b91e420f3a97a19cb4aabc503b52ea481334c4cbf1f9e89d1e64a46a0172
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 59KB
        • SHA256 61e9b42944c7de8bbc06ff908bb31675e36b5e64025890ed46c6f910b35bb89e
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 53KB
        • SHA256 7b3284c798e9f610ead28149a428c6e51faf4ef624c43abfcd0fa67e3cea78d3
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 50KB
        • SHA256 6785583b05b7921db7061e5e14e5732f1e4f4949e5201a2c6346291cb7cbf32e
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 60KB
        • SHA256 fa26dadba63a7abb784ead8a0a527fbaaf8390ba5773af694115300e05f961e5
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 55KB
        • SHA256 cdbbfe3cc4b7615c080b9f8438937d56846024e84a4fcdafd47eb812b773ba73
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 59KB
        • SHA256 9666ea04f4f626bdf7674faa80ac8eb8fdfd21a5d7646566c0b43dbc548e573b
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 48KB
        • SHA256 6edb3cb95a2f1230f442d0d62a3ed1057c4ae790e6089dce84feecdafb9ae868
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 59KB
        • SHA256 de9ca8aa5d78ac802f06e8a38fae55be3bbd542c2ec5a612f2de006e57c3947d
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 60KB
        • SHA256 c9955fd1c5233a3e4bd658760489e8fb3a30c96cf857addea127be8f25df4900
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 48KB
        • SHA256 423acd751196c0c0421c6484bb85bef9f534e343066b0ffc9ef88ba6e381c12b
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 67KB
        • SHA256 298b7e423718e5918fba82c7a8612b3d40f0693f5aca0a42800b9d716ff658d8
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 48KB
        • SHA256 72a7edc30038c0c9d3f245ead2438611e2e014809746a7121d017f298b284983
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 67KB
        • SHA256 f94b91a47471f9162410b5b02b5bad29fb1e53dc33f6f9fef7027d3aaa6ad6c3
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 48KB
        • SHA256 edb2730e931f971b4e5f89c03d60e88fb9ea0cd0b83e3ece203351c602a81396
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 64KB
        • SHA256 0eac0309fe6f0247e299095c8b04bf8621a246270f555bf201ec7844a7f5fcb6
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 58KB
        • SHA256 7584f483209dccf5471ebecafd8a0707a5fd7473283488a3dff7cf87035a1518
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 59KB
        • SHA256 5082a3f62cc7deb1ccd1c4a529a8e775b96149019a6b5bffb4e97fcf3256f90c
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 60KB
        • SHA256 c527e0bf190ead12e91d1ebe071aa80ffa9e001efd8de7d47f51cc00eb8f810f
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 62KB
        • SHA256 e5f1efc21c339f97d6ae0be8afc4521a387f1dbcbcd8996f40ad0732095f6016
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 56KB
        • SHA256 28da7f2dbb277c1b9d3734f9c2737bec618314851ff61946ad1c545e4bd0e8a9
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 50KB
        • SHA256 a6c67af3e384d8d5a7a8d76b790d80649b473a38dee564b92159f3e8691a39ef
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 61KB
        • SHA256 7c737da6d0d6f037c8091f131fdb2858e5b5a55b221aa523c6a33eab77579b64
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 60KB
        • SHA256 c8aaaa657112a67c05e09e49a4ffa6d935a188c0e456798d816315df52c19622
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 62KB
        • SHA256 8aee214721de083b3eaae3c8908421a417ad860397b876431624828f4942a12e
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 62KB
        • SHA256 73bf350300595fdad8c8f5b2aa66fe7dd3381b24fb62912791d9306442590a2c
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 48KB
        • SHA256 fc4df7986346b905526ae71ba76a6114dda778f9978a7559f8373c611bc84e10
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 59KB
        • SHA256 dc2275c035057b71bc96753f0787d72dac0ac5024a64844d8e6b02b1a080bd69
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 55KB
        • SHA256 49c30a2efe65bcbe4fe9e8990ad84ad245562de551fc71f856719b2dcd0e58d4
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 58KB
        • SHA256 b88f10335c7055832795f77b55ccfebc654efaa4d89b5d671d33ba9a4f7252ad
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 70KB
        • SHA256 df0acb3654ce1bf12793aa7f84d01f0a00048e924caad75693a339f255a2346d
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 71KB
        • SHA256 9a7933ba872d6307a532ea80b1c1b76f0bfc0ca3ec710f8b6e7b532a56699cf2
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 55KB
        • SHA256 07130eedda4d9fa467de7680d350f08fb18f22f7c9c222440a614537b42ebaca
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 48KB
        • SHA256 a4bdaa4820e9e2aa27578ee29ea3b135a2aae8219d3ad78160131f1e0fcb284d
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 63KB
        • SHA256 f88a258122d07493dc7847bfb593016548895285cb62c7163c51e30d4f488ebd
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 54KB
        • SHA256 132d79e0a839101c532aca702e3409c19c620a694800ad333e8ac10a87a24efc
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 64KB
        • SHA256 5225001dd969dc0bec5aef777f782daf2a373c12f72c26a08693d2b2edaebd63
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 60KB
        • SHA256 0811c3fdeebe8e59d89344ded423bb68757ecbd1f13ea4edfce47b81c822ca8f
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 50KB
        • SHA256 8564966702aa08537475dab7836e407a56c9dd03260ad3b53fb12fb911410d2d
        • MD5 SHA1 SHA512 SSDEEP

        tipresx.dll.mui.tmp

        • Path C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp
        • Size 59KB
        • SHA256 3261d70af34375b43759ec8f66a93e609e8b45af22df40c1ec0c34324ab66783
        • MD5 SHA1 SHA512 SSDEEP

        _Firefox.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
        • Size 50KB
        • SHA256 8205c3a402ec6e57f52b265cddc7319200b3897056b6b3c851b8e0ccb6578113
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 48KB
        • SHA256 72f47860c773408192a18eb82f2fc0befcbd5e07974c5ea61f9272a92964e12c
        • MD5 SHA1 SHA512 SSDEEP