Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2024, 13:04

General

  • Target
    cf5c33e5ff273f968393a8ae078e91ae62cc227f48990cd57fb59ae7fb2e39c4N.exe
  • Size 119KB
  • Sample241020-qa9cda1fqm
  • SHA256 cf5c33e5ff273f968393a8ae078e91ae62cc227f48990cd57fb59ae7fb2e39c4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4816) 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
  • UPX packed file 59 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\cf5c33e5ff273f968393a8ae078e91ae62cc227f48990cd57fb59ae7fb2e39c4N.exe
    "C:\Users\Admin\AppData\Local\Temp\cf5c33e5ff273f968393a8ae078e91ae62cc227f48990cd57fb59ae7fb2e39c4N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:432
    • 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:3360
    • 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:3088

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 61KB
        • SHA256 01a3562061792d28b1f28e42c8450a46ed2a22451ab98c7465f17c66a7eca7f8
        • 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 120KB
        • SHA256 17fb664e89a14d40e7e43461a890679fe7a4c2289454335ffce9200e16c01b09
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 173KB
        • SHA256 62b130752c559788e18a9834dd17ee72895779003d27d46bea2d89c8d5c32bd6
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 125KB
        • SHA256 e0d114e56cccdf38a7830ddff1aba78f5a1c585deef8a782cf0007d8d16118c0
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 604KB
        • SHA256 65da84fd3494dadadac045bd8f5df2af3a30973e537dfeba18f0917035a8ce67
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 64KB
        • SHA256 db489c55b191b34671634cbfd414a080bbe541f0c351bb995be41417c94faed9
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 270KB
        • SHA256 af38b19188ef8ab5ff8dfcc1dffc382e0613a30ee10d712f6b7798ce40bc6569
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 991KB
        • SHA256 da6f29ee5bbb120909b22d13859e943069931049fbe11faf080a7d806076c380
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 744KB
        • SHA256 849e91650ae025dc651aa32cd7d6957020dc63098aa8c3aa6a67e085b41d9141
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 117KB
        • SHA256 fa238b9080cce766a37c8ca7509561dc1d09b95960c9eb57d9bb4cf5165bac33
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 68KB
        • SHA256 48a58a1c2e38c3dc85fbb1488c2c9a2b93c28305677624d7b51ee0b082a7ab3c
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 72KB
        • SHA256 771f58a944cb10e5a6aac87f5e057048bb1b405de50d660b6f79d5d11d69c3f4
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 75KB
        • SHA256 ff2d5a9b79980abb6431e6a3f7a71bad9549e70e76f8be713660a56daa037c8d
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 64KB
        • SHA256 96999058f09a516fc11a4df09d6de9dc74a99bb8a80862239d63aca5ce33352b
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 60KB
        • SHA256 13c1abb1ce223ba08fa7c65bdacda20fbff051fc0643722f22d15cd637bd3c52
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 67KB
        • SHA256 0fc07ca6a25c87314c76c3d278bfc0d922c58c5d85345587a34e94d5283179c4
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 60KB
        • SHA256 fd108779e7ed571335d9a8d8bd1081d6f5d2382910ed54f9ad0776633781793e
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 69KB
        • SHA256 b72679ff10ffa97fd2563857ab14e5e0124386c30b2c84f49a3bd8c2f1b62314
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 70KB
        • SHA256 f2958ba25254a91fd99012bfc864c7df283f7c6097efbc25d67cb36d44321122
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 77KB
        • SHA256 8ae4d6f9afceda44398e4bce68916298d085adad695899fcd8037664d3404749
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 68KB
        • SHA256 9e8817c4f5258f7927354da272c0ba705ea8563465f1843eea9130ec4608d0c0
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 66KB
        • SHA256 cef43c6ef4b3066141745ab02ed11f6dc60e6691d9c3ec1a761d76becc81e046
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 67KB
        • SHA256 a65cb59c074f801171066ef22690138a8391c27af350a89312535f6a3004b218
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 68KB
        • SHA256 a1b7e2cce2c0d98326674387b4870e5419f5da3dd2095e1b50d70276cc863292
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 72KB
        • SHA256 75eba58fa648e25a2f3b4d55267a2389a13c10280185862c5281066ee695160d
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 68KB
        • SHA256 9e8c9a5247e31dabf480e6b0f7498e20480b9e6258662da0bb497d4ac5d1b85b
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 69KB
        • SHA256 9f34fc49ab6462e4914dbcee92314469a4640ef5e79b840badefe0dd08657f67
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 72KB
        • SHA256 50f7e2b82040c72be5b9d619123e0e44ef071f2d39a9e9742b39c81b6b5cdace
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 78KB
        • SHA256 fe9a5ed9233e1d96d3ef34d785824bb4687b6b0b35ebd61106508439e5ec0604
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 69KB
        • SHA256 7e57e6ae9cf686b18030738e95b452caf9e191eb6da5f3295dd01b97963a685c
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 70KB
        • SHA256 7ffe629a23d09eeb784d38bb93ab6fbd0452e64fd6fe5d0f7651ee7b2b207e4c
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 69KB
        • SHA256 2f74ac300cad4ee23c16544a5b29a5aa6e1b066e7e0c29eaf377a16988416623
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 70KB
        • SHA256 68aae9ab2c9819daf864fa9db5a697912ddfb8a75da597abe764b4eb40c252b5
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 69KB
        • SHA256 e1ccbfcd93e23de3390113d0e4f4f11d9a4e4d1ca553d1cd4e6acc7bbfca6a13
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 68KB
        • SHA256 ceb27d1c54a38ae2c85e54a423f538845323a8f9d9cf1a3a58f3f80bb655c96b
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 76KB
        • SHA256 79a9e4846bea40aba9101363e8eb74c7973faf84b10819bc0b99786ddc3e0ddf
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 71KB
        • SHA256 510966ddfec7880b1ec38521eebc28c0a2b02d0950cb854790fe038897040a96
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 70KB
        • SHA256 b93046b588e2c6f50f1789e03b123aec7b1f77f9bdb1b5b23271cc12aa463c0f
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 60KB
        • SHA256 984986593365e34efc65f516c0165a9cac0bb172ed07876bf1544a061cb1cdb1
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 66KB
        • SHA256 0db8a4b42f150f432fbbcb7b7f1f7007ee9c0f042067599a8e91e37877b829ec
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 66KB
        • SHA256 ab9b5d0b83c976328b7bf9541b634d2ee9c04148d05bf54a049e4ec80d9d0e37
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 69KB
        • SHA256 90f7e6349e20616b26f41fd895f7ee5119952fecdfd1eef1bd98221ea199b6c7
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 78KB
        • SHA256 6f50fd659204010e9b4fb5ccf5b88446fc9eb010e465e98285e17dfe983c72cd
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 79KB
        • SHA256 6af773030c59bf28be790035a022c15ca8520a5df7206bb4d8c05976e706b35d
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 69KB
        • SHA256 1af307d2eecdc1bf4cd4f792ab31e60b0abe84acc8088b29c0e98ba5bd33fee4
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 70KB
        • SHA256 4a79902775dc85794603e76bbb46c062cf579d82ee68b2482bfdbb1cb9e9a76d
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 66KB
        • SHA256 9055a45019b1cd9350770b0ef912de3c383489441f8dc2023543d5296fa7ed5a
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 73KB
        • SHA256 44b678452b6355c50a3a5f07359d0367f7576d461615586560b10f71e4064c2c
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 70KB
        • SHA256 575e0511c922bc519f66295458429dae9556a4fd0047de55c3dc29189895b458
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 70KB
        • SHA256 0f369445d25cdff26c619e49ece5030c049ce51a15774ecc766e05b243584895
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 68KB
        • SHA256 858e57e89f67d20a6f5e82722b86f2897135ccf0a613ca83270d5157ebfeb235
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 68KB
        • SHA256 016ab3804fadb9661d3a6bdedc67453bc1e99bc9d8a979e8f10857af88e62314
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 66KB
        • SHA256 de7471b66ea0f7491f59c8d826d26f155f3b8267a38a9b063fa5ea287770397a
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 60KB
        • SHA256 3456a4c83a9bd42e56d36e610acd9eb18bc6e1c4706c0684df1a52f6c0c13ca5
        • MD5 SHA1 SHA512 SSDEEP

        messages_ko.properties.tmp

        • Path C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp
        • Size 66KB
        • SHA256 6b4f7102404f9e4cbe875738fe5b32d581b8b45254d0fba6fb0b58ffbf2ccb24
        • MD5 SHA1 SHA512 SSDEEP

        _Firefox.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Firefox.lnk.exe
        • Size 60KB
        • SHA256 83e5f73e8a777771ae6b9d2fb78b76b55126701fb3abf8f46a22664fe39bf695
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 58KB
        • SHA256 6588debe384ee5fdfc6578e3fa0a8f16105de5eb68ad13ef23b0c10216b835e0
        • MD5 SHA1 SHA512 SSDEEP

        memory/432-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/3088-18-0x0000000000400000-0x000000000040B000-memory.dmp