Analysis

  • max time kernel
    149s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 19:54

General

  • Target
    28346df33b7fa4f7e645484d8375f79cb6832e8d218b20aa20b09ed2f3ced2c0.exe
  • Size 100KB
  • Sample240806-ymwaaayenj
  • SHA256 28346df33b7fa4f7e645484d8375f79cb6832e8d218b20aa20b09ed2f3ced2c0
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5322) 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\28346df33b7fa4f7e645484d8375f79cb6832e8d218b20aa20b09ed2f3ced2c0.exe
    "C:\Users\Admin\AppData\Local\Temp\28346df33b7fa4f7e645484d8375f79cb6832e8d218b20aa20b09ed2f3ced2c0.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\_05 - Music.lnk.exe
      "_05 - Music.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:968
    • 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:4884

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.exe.tmp
        • Size 100KB
        • SHA256 e7e1996bbc3a55c57821a53c42da9bf850072bd0b37c91a8fb14dc7b91cb7635
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp
        • Size 50KB
        • SHA256 1e4d9860ce2197ef0f58fc9d05bcd30aacac9d925673241eb05287c494ab104b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 162KB
        • SHA256 0d8a8e95eeb2152d432e091d8fe8fded5e7d51e3a617b89a144d35d58d2c1cc4
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 148KB
        • SHA256 f51fe2f8982b4850d6f445b7b1b2972fcbf0b24d09f4f087bafe3fc2c1e3433b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 114KB
        • SHA256 0f54f9554a7b8c80d5ac08376fc926ca9b9153041871361bda792c610a18372b
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 594KB
        • SHA256 7d970a80116088daa88586dcaba338c30777b66c9f6b64b9ba3a9657e3d889d4
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 980KB
        • SHA256 6eeaef5896d4dc0b72d4c7977d9f1f84aa5bd0284322e620433cfb9062975790
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 734KB
        • SHA256 10d5ac75c551a2fc4d1d24e12769c03bb5af5fd6e8ba31d4793120a8ebf5e241
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 107KB
        • SHA256 183904d922b85bd3455b352faacbfb0d00e050739e2d8fb0544a057b6c2d7c84
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 60KB
        • SHA256 0b356cdac0d07803979a9219e45be0c3ff26401fd981a834207b612cd21d191d
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 61KB
        • SHA256 a82b16526c4710d1424db5d55945e355440e0ddb609cdd9a3fc1b881776b877c
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 62KB
        • SHA256 d40eaa3b5f275ddd0eb1cab95568f2bda78f415b0a0b573d81387c41cbae60e5
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 63KB
        • SHA256 3b9270db822286c2947f00d60616d6ea785582d8780c15b1ac2ce881b427faa1
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 59KB
        • SHA256 730ae7892040878a1bb00dd24febff421b8412dd2431404ab2b220e3fd21a2a1
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 57KB
        • SHA256 b7ed57b05e7b47cf045d5294b17027219f4659abe0a558fcbff2fd281020133e
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 66KB
        • SHA256 1df60f34f10543c7444453417dc0e80dcdb88210dc6302e0d27e431154777e5e
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 54KB
        • SHA256 cbfa48448036d600fc1a298dcabcb4e3d126e2ea12900c9d0441b3f1b59a3fe8
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 59KB
        • SHA256 544617656902855ef860b89feeeb8e865d60c8920facdc7ca14ac9e0b322740e
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 63KB
        • SHA256 164883830383e9015877e64f1ae3dff02aa15d5215a90f5bfbb719db2c859b32
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 58KB
        • SHA256 ef55a0fcccd31c2159009d6783418a4de1c9b7e54583a4c31bb914e77cbc8409
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 57KB
        • SHA256 4db1599b541581e9fc41642360098d2fd1f9ab5f566a5c68b0a41fa7f682a5f8
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 59KB
        • SHA256 cc60901108fd63687548bb64755bd6673784cc699a6e3b81ed52002b1c7f0ac1
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 67KB
        • SHA256 0cdc1fd1f927f7fbd5ee2e8525c88923f64ce0b102b4f00d5b0be218cbebf672
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 67KB
        • SHA256 29475853c076d5a2aaecbd8949ac3b7fd97720fc7d72c9c50e6084dff8c5910e
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 60KB
        • SHA256 befa8b962ba867e168806fb9b96aa9c623faac3d7f7107f0c5922eb5810862e3
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 64KB
        • SHA256 8c617d6cd5da0aa17e73f017d590ec3486bba25154451e713bc3c98323f3a5ea
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 60KB
        • SHA256 f73323ba1e67709e6947eac938dd1d6cb7e579f1d59bd2320239864f68e4734b
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 59KB
        • SHA256 c263c7c3cd533735b8646cb24c3e18bbed69ea94149c48525b2a76c8aa22d709
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 57KB
        • SHA256 1b931d00bb4489a3b03a119acd24cd9988e3fcac3480368270cba9d891fcf70c
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 58KB
        • SHA256 a222c8bc3e40187b3e7c62ad9fbf23d5872e5a33d7b27b1945b964435f6b469b
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 60KB
        • SHA256 2b2934745deff6829ccb6d369682ac1ec29be6ebb24c873d2296809e6f888080
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 59KB
        • SHA256 e6115c642d6867374299c616d8a85183609160f8c18c2e0810881ba1f7af9459
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 56KB
        • SHA256 99945bf84053db6f9111bbbff71ff10e131fe403762e216536d5b477f9237678
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 61KB
        • SHA256 383d86d313f4748ba02fe8051c01fc9af487fa6466af1e146e8da59bd0d77904
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 57KB
        • SHA256 14c246116abf3c4f407fd1fc1635cd0fd34a817c0f0ba71c622dd60afa7a9b9c
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 59KB
        • SHA256 a9127ab56269e9ae53720604f64b48f675573aea503a69c2265e1355c31c6811
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 58KB
        • SHA256 010108be4f62e4f9d54f3a62120f5bf318226e73552be6ee7d6b221134da52b7
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 70KB
        • SHA256 cfbe9ab6b52c70f8a4abfd17d3f9891273dc004b5bfbc9fd39418e636c3c2273
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 61KB
        • SHA256 8bbac55cdf2153d674c485f6f0cafe849996183e0f2cdf58e3ff100524dc4935
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 63KB
        • SHA256 cac7769209151bcc1bc5dd76cdfe1f3899c9971e61ff7e4050b78be3829135fb
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 59KB
        • SHA256 fe13b1c59f708d3d6219194b74095413cfd97d7e98fc77ee34bf8c54f21c2fc9
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 64KB
        • SHA256 7f870df26d03d5900ea220e28f1e199ca6ab4c04b66f60ee4a144a7aee37e497
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 60KB
        • SHA256 24196b4871dcc290d023f869b225dbe9ad189b4aefe493dccf2473bff37d0dae
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 58KB
        • SHA256 d360266684bdad07e14025b361fa4e2e524a213dd7d2a8ebcfac1701f743b3e7
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 60KB
        • SHA256 7f186e1e6d0146fd5086c95e6e28921d7e46cc1f7360f77b580110f65152af4a
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 60KB
        • SHA256 5f03246da80b2e8753b9ba7e3cb09069a6913fb0378998ac2d29c65da5c47779
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 57KB
        • SHA256 f91de6bf0c6345164c3b35be087ed7b0402ab0960ca247731d7961f1c4f97ec4
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 64KB
        • SHA256 db09607636a27470b27475c1912dc3e795ae654b292f096cd931125fcf3fbdf4
        • MD5 SHA1 SHA512 SSDEEP

        si.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\si.txt.tmp
        • Size 69KB
        • SHA256 afdf19ce627eca3bfe27f0c56fff30fa6f6863c85f699901c5758af43d5e0438
        • MD5 SHA1 SHA512 SSDEEP

        sk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sk.txt.tmp
        • Size 58KB
        • SHA256 01bf8a2fc95d0a59005375c3ba822c60883dd893068c9f58a46c67dfd9a3f50c
        • MD5 SHA1 SHA512 SSDEEP

        sl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sl.txt.tmp
        • Size 58KB
        • SHA256 ed2f58d3f2ca0b6115c21cb843d1989ed2464be5521e945ffffcb9e5aca7edf4
        • MD5 SHA1 SHA512 SSDEEP

        sq.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sq.txt.tmp
        • Size 55KB
        • SHA256 01f7e382b6874a922c33cdaa2caf1292470b2e674cf285a3651ff889bece4276
        • MD5 SHA1 SHA512 SSDEEP

        sr-spl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp
        • Size 56KB
        • SHA256 5d55fe42960e166a9f19baab75cd18c8ccf7dd64073e40edf58d95efa31e1220
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 50KB
        • SHA256 f54fc09951bc86d9553c49abbd03c71b421a5ab3ecdc9be45a818d0c6b3e1970
        • MD5 SHA1 SHA512 SSDEEP

        messages_ja.properties.tmp

        • Path C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp
        • Size 55KB
        • SHA256 0652617364b6c4bcf40be36587fbfb1b35c251888ce26a05bc053dc2afa89fd5
        • MD5 SHA1 SHA512 SSDEEP

        _05 - Music.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_05 - Music.lnk.exe
        • Size 50KB
        • SHA256 b04cc05913ceb5ac9f1af3966c67aefb334cae9cd8ef19e0e1c8485c638cd748
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 49KB
        • SHA256 468fbbe2248741421bdd387ecdffeef8ce523cb7b79145664cd334fb6c1de2e0
        • MD5 SHA1 SHA512 SSDEEP