Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 01:58

General

  • Target
    7df74a37c6646077bd80948a0034b1d0N.exe
  • Size 93KB
  • Sample240727-ceb1sasfrf
  • SHA256 e3ebad9c6b51b3fa819845a953e4c40591a15ce44b018adb51f1c4bf4a4be5e7
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (1180) 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\7df74a37c6646077bd80948a0034b1d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7df74a37c6646077bd80948a0034b1d0N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1080
    • 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:3368
    • C:\Users\Admin\AppData\Local\Temp\_Task Manager.lnk.exe
      "_Task Manager.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:3704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp
        • Size 45KB
        • SHA256 04bab7e3a6f0920d7d7c3a29d3ddd337b8e71e5651fc9c19ab01e507bfea0bc8
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.tmp

        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 160KB
        • SHA256 9b181f1be9483d58896c0aedae3438c35ea31afbd289e44318e663e69d591683
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 112KB
        • SHA256 e286b480ae839eddf0970597425a020f4a09fb2d9a5f45fbb2925a3937850153
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 0fc1e0632c4e171e0c739bfcc053ba1b83ab54ec6fbaa7fa8e42ea3876d097a7
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 591KB
        • SHA256 5a79c062b795b12a748804e04f1ef864769a2666a6ae48ddc0de2c77d05caa0b
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 257KB
        • SHA256 94e382281eb3a0d95fa623d18717b50c1c942b256c02b831d797cf68f8aa3f78
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 236KB
        • SHA256 a3d94596edf7038f7831fb070412eef53c8b732ee827f4e89013b465e9e8d995
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 978KB
        • SHA256 ff0ca3a7d8fd08ec4685dfc747dcb65cf0f964f4f988d30139a8208bb6ee4311
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 731KB
        • SHA256 cfa26f1afbea937a968083eed69e2e2ec192608c37712e209182f93fa11c958b
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 104KB
        • SHA256 3fee1e422b2271ca16cd516e6bfbc7349e3ccecffeb351b43cb07f138ee54208
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 55KB
        • SHA256 103dcb55c409fde2bb0f73b9236b9acd8a504e65055677afc76a7b79c351338e
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 44KB
        • SHA256 8c15ee013ea0b63b7c0a755619b287073834a4a3cfdc7d6d9f9ac79b97c5728c
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 60KB
        • SHA256 b943253334a41f68927191052d4c4b357b684213e8684fcaee2b1b77d7326da9
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 62KB
        • SHA256 93203d8708f885cedb6d198140422613a00e5f37f5b3d8026d487221658428d2
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 52KB
        • SHA256 20e6d86648f1754b39d7153c9e26cfc3a89c43f55904f218750aa57271b08e30
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 58KB
        • SHA256 b911ec03a3a64621a250b1724a1e625daa0e6fd4d7a2570fa6708f6804ff3aa4
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 56KB
        • SHA256 2fd10c61f9f7c93e83b92478625250489228d99767ee3c52bd73542e3e9ada24
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 52KB
        • SHA256 54fefb58407eb16e712efe6273155454b7fe666ae684545d218465f5a391c169
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 53KB
        • SHA256 0e516f490a0f0c31ad7c2e85d7157fab92ccb285557ddf48f20330f8d87fcaed
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 64KB
        • SHA256 0d110583c2c68152c7fb51ddf7cb6314273bf885f6ebff9a630712fa1adf2013
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 53KB
        • SHA256 d6729c619017af3225437515a0dbbd8c718dfc85b20662026a9d96fe40dc7658
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 54KB
        • SHA256 5ac7b72f74367654402be360e5af33d6ad169fe12dd078d1eddbec2b6bb62457
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 54KB
        • SHA256 ee9b1b3200f6eb66880d71ba496a91391faafb9db52f47bf29543939f65d0a41
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 61KB
        • SHA256 b854e59f19599ce977311d9ae3f80d1fa1ceb7ca331794c6aedece5eadf10393
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 53KB
        • SHA256 8fc76e8fed913fd007ae185c0122382eb62a7b68669e44cd8ae0c89ee6eff475
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 55KB
        • SHA256 918ef959fc94cb01b8cf56bdd7056d2cc2120a567dd52f81546944821847c1db
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 65KB
        • SHA256 f0567ef89f3051f88ba674db922f3d721e8cd544c2193cef6ff9b3fd0d7871ca
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 65KB
        • SHA256 b6b2f391e49dfdca699206ff5bc5a90dbacd80030e25ed11022c854a5199bfa5
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 53KB
        • SHA256 18d9f6ed0fd29cfee6f80a809a4a89f827d3717704efa4f96bda92b82550fdb0
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 61KB
        • SHA256 bcdcc46607003ac96eca578ecc55b1ed9d0e2556f721e4fbfed56c563b1992e7
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 57KB
        • SHA256 a4ca74d570d38183307b63e281747f5f3caa38b11ddae7762704b87d40d4ca5a
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 55KB
        • SHA256 01aebc3b7541bfda0690e4c59436aa827ee2e7b15cb9dff4c7ed02627e2a80fc
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 56KB
        • SHA256 7c6c0ccc83f4ebb2dfb647491773f1c334d1a77fef5ba054ab1e03f3c1880b62
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 59KB
        • SHA256 01a8a40f5759ce2cd48c42d739f0ba4d6527d58d200e2628e7a90faf9f25eb09
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 48KB
        • SHA256 0752a57a0ef874c749d949a7a75be7025e2b1b135f3e4f475abe23790a9eb528
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 59KB
        • SHA256 8572031c50813dd1b9a3f20992773f87177892cf107569b9b9ebb6ac5edfba03
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 45KB
        • SHA256 a943759af02e343b7f4dd16b915dac066d3a4122b6ce3132bbd56dd7a5f7e071
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 54KB
        • SHA256 236667769fd3386deb3fa200a1ac1b932088f485c146fdf00049d27ff4acfc91
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 56KB
        • SHA256 7e48b341f6ba8c14a2ed132ebda3d2cd70fad457b553bd376df2261415a8f351
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 55KB
        • SHA256 a3b359efb26ef752107c62e79f97e6efc932f3f8bcfa30059ff6bb04e47aec45
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 67KB
        • SHA256 35038a13b886599847e1b7d9dd849d1cd235abd7cd9ba0e97c2e35c7e836d71b
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 68KB
        • SHA256 00db70560419b1cbe93723ff7e517b27cc7844c731638c7ec95df563974fe6ea
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 55KB
        • SHA256 813bd5cc83efb5274d2ffa7bec414e4f2593a7bd3b0c8995699a8868a20ba583
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 53KB
        • SHA256 421e5eddc30ae256342acdb7e11c629f47f077c18939293e105a76cdcf78d1a1
        • MD5 SHA1 SHA512 SSDEEP

        msadcor.dll.mui.tmp

        • Path C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp
        • Size 53KB
        • SHA256 0d0af2d5f64788688959737449e829d82b0bc41099b7bec8147a056b7637a353
        • MD5 SHA1 SHA512 SSDEEP

        _Task Manager.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Task Manager.lnk.exe
        • Size 47KB
        • SHA256 6f8002d9b651f3422a7df007d1b5f06dac6d587ec3d85122421d000f23fdf781
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 45KB
        • SHA256 4ab14677e939357cee01074aa9ac4781b7a4676d52d50adf027e32168858fc48
        • MD5 SHA1 SHA512 SSDEEP