Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 05:00

General

  • Target
    2e459ad5ee17a9a524febf73b83b8e51c79a2f1526d41ed48866a027ad52105cN.exe
  • Size 171KB
  • Sample241006-fm7dfatarq
  • SHA256 2e459ad5ee17a9a524febf73b83b8e51c79a2f1526d41ed48866a027ad52105c
  • MD5 SHA1 SHA512 SSDEEP

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
  • UPX packed file 60 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\2e459ad5ee17a9a524febf73b83b8e51c79a2f1526d41ed48866a027ad52105cN.exe
    "C:\Users\Admin\AppData\Local\Temp\2e459ad5ee17a9a524febf73b83b8e51c79a2f1526d41ed48866a027ad52105cN.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\_Skype for Business 2016.lnk.exe
      "_Skype for Business 2016.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:1572
    • 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:2848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp
        • Size 83KB
        • SHA256 09c480cbba2dcc9b8766cc1fa9a4450827645879c4a7cb75265e370296296b23
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 195KB
        • SHA256 3f12eb5107073da1422a09bc4cf71a348a2701a797a35dfaeb99bf11d3440471
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 182KB
        • SHA256 05a7f27b3b79a733d52f3c59a6670597237572cbaf2739da4c2d9cb6885d6366
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 00f206a8dd2dd08c979742763cd905a60204b07de76cb14c87b9c09e01d93fcf
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 632KB
        • SHA256 a7c5cdaaf538f4351850274c3110fc6203730a89ea4a3dfe494130a5ce3a6965
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1019KB
        • SHA256 7a5617f9c4d4bb73aa4cc92eac8320077f5d16f30472307c31412eaff2b574ee
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 772KB
        • SHA256 e6b80500b41c0e2c7fab69f61a6eb8904c349bca5505b65d70c5aa5f94a58219
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 772KB
        • SHA256 d5458d2e2bab2b3046d88de7eea85d9d7ca9a6e03d589c8e11a7440f2a0e5883
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 98KB
        • SHA256 7e0eb52e86a9fc20f69e40621ce6ba58d21c5a89fd44641b2e01191263ec3c4b
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 90KB
        • SHA256 ffa990b6ee0c57c7ed1fce2ca203087c02dc465076dfadf19ca182fb199d745d
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 95KB
        • SHA256 8ecd3c13d222bfaa224407af5503ae142c80fd940eb91c195803540298c528c9
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 88KB
        • SHA256 e4a30598f8ead34384f3c16699ea21c90b10112af106e4c337c6326cbc2411f4
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 97KB
        • SHA256 d9fc28e86d7a6a75c9e3b3a5971241b339dedfe6d5ca193c6881500a93a498a0
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 94KB
        • SHA256 fe70c7450d44759c8f698af50c5e9fd973b9b5a878a1d96baf94f3263f657a92
        • MD5 SHA1 SHA512 SSDEEP

        be.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
        • Size 94KB
        • SHA256 d0c310b9dc5f4abcbcd0adce2a9a804795bb45d88df81b1f69231bac66daabcb
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 96KB
        • SHA256 751f1de5d92742ce7224282227f5fcac949942690965dc9cd1d0bab24c828f96
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 97KB
        • SHA256 f992ca0bb248a28a0430741e94eee628ee0d7b5af5c9cc5c6b3dadf9b733df34
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 88KB
        • SHA256 0efbee40dbaa446cd2d2c2e174a70d109658b873b1ab593813c04483a56c83e9
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 92KB
        • SHA256 91a9c7e338c33afaa130159605db3a58150c09b2f6d69de9f0ead26a848412a0
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 92KB
        • SHA256 38a309bf0708a504478a4416be0a42727278a2c32f4ad072277eb923cd157950
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 93KB
        • SHA256 2b26437b3876e2b3684c70948af3de2dfd6cf2339b15f77ad3327b2e2011a9a6
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 92KB
        • SHA256 acaf9a697ec1b8403e88f2695f5789f343fb0346d4f992cb1d2c241f3e6d0765
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 80KB
        • SHA256 ed5db812fecfc2ec20b2b2f2dd342e4de227851136ed73f7ee050caacb3419c2
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 96KB
        • SHA256 8d964371f53594fa50890641f60ab6fab04f3313bc0401aae50761fa55b8d561
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 93KB
        • SHA256 b961e909f8933bbd387c92a811843e92f1a703c9a342fa513e3ef06c7d163e73
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 95KB
        • SHA256 9c1094bf88fb9b91892bf7dc27131488965079cbaed5290faab25f2ebeaaf03b
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 97KB
        • SHA256 29968868722208a4642affec3c90c4e1ed20203a8a4216bbf03678b01823422e
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 96KB
        • SHA256 92bf03cbbb8d7e960fad567989d624e3c5dcd4f2bf16d2b173bd1b2eb1aa71ce
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 98KB
        • SHA256 929e3de9ae80ee76127ee10cd00ebee215cf648182456ddbe783a413008b7ad7
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 95KB
        • SHA256 df550fc07aa3a6069ecc66404af09ca6c59345361fef26b566bd0889316445df
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 97KB
        • SHA256 a1b51896fea02dc55f81d47893d8772510a1763194326a8bde84dcbb16e0b9f6
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 99KB
        • SHA256 40d57821c651c325db85e66e40b321a5e1ff97c556a28aeca8fde46a457b0e88
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 105KB
        • SHA256 b5629070b75688ddb6fc79de6d62abd7a7c2d0c82296890be372ce318fb6a5af
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 98KB
        • SHA256 2f0c5c5359e82875e76f3e8ed2d98b7aa6c2a90a70592fe5ababaac0a6cd0a62
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 102KB
        • SHA256 f485ae26965bca59260bf9dcff3fd3f031db245851d0a29dd31342e907121ab4
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 98KB
        • SHA256 b331e00674a1ea1504d745080b23e762cb11975fde07fe52145e88c6a6ac7819
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 92KB
        • SHA256 95c0587ed550cb02670b011ae62b281e502641cfb5a360262cfc7aedb60164df
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 101KB
        • SHA256 0efe2dc30693de7b04cdd69a09c0234d0715ba3d5d86df86ad1dcf1594a08403
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 91KB
        • SHA256 6a22ac170d461b3849eaf29081e5c9a679b23c5bdfbc074bc05d2e19a4d7d411
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 91KB
        • SHA256 c33208ee15a73f6a6ada34b7d63407054ba58e06de1231ddbc73747e1990f1a4
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 93KB
        • SHA256 ae8bb5c54c887fea045cb203aa0248866d3e2a406cd7c80dbb42ed9155abaa84
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 95KB
        • SHA256 5ec85f795e854964fcec73645254ec9a83e7521cfebf3af732c47f0b73c2e376
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 88KB
        • SHA256 a304bc27ada417e348763ab6605253e1fef5822b399cc1bbe3d8ca3735054af5
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 95KB
        • SHA256 61af7b60bee739af00e1f490232003c43fca74784d91fc745d7eed5dc601d26c
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 92KB
        • SHA256 59470909a5ca039d2320558a78e00fc69e2d63a4655012ac82723614417e2a0b
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 88KB
        • SHA256 9f90e3ebd00af49ea58c30d0c3594008ee9fa8e054777406b13619158abab5fc
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 91KB
        • SHA256 7a546b45d598d5320d90134eb139b70c0261a514a72950a161295cd7273bcc94
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 103KB
        • SHA256 043ef2bc099aed5a42c0146d08a57002bc905f09622666f41bc6cc5159e6fa1d
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 104KB
        • SHA256 b3415d438088d481f09f7dff5a3ee635080feabce7073d34882286c87fd4182e
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 88KB
        • SHA256 a3e6e6b8042eeb9fd06b8d135bcdfa13bab017074cd14a0121db078fd539e9c2
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 94KB
        • SHA256 8b06688c414168c7be71302326e59e3cd6f81c20605d431a5a3e86aaaee4e47b
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 101KB
        • SHA256 d26bd31dd2de19178d6ac492c7cb36650df9fb8df8d276e21098bd7226c5fcfa
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 92KB
        • SHA256 526cb4b4abfb1347721b97d5327d71ebee802c89a31e8252b0ce7118c0bee17a
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 102KB
        • SHA256 e48c370afaf42ec83844de706d47c34a639b44fd3bfd0a88b623dce287384d60
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 96KB
        • SHA256 dbd4b77743a58194669fe033042c53532432601b31c5b3c6d96245556979dda1
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 92KB
        • SHA256 a73932ad245ef4d0c67e2f80a6f4629e0879eece817da56cd9c567e146326179
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 98KB
        • SHA256 440b77d46386131cca01fdff27dd1db4035ebad812c010228d1f6605b4814e55
        • MD5 SHA1 SHA512 SSDEEP

        Microsoft.Win32.Primitives.dll.tmp

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp
        • Size 114KB
        • SHA256 89cd7b6e6913ea787025312f86c3398380082160875d673a4142be65a817621a
        • MD5 SHA1 SHA512 SSDEEP

        _Skype for Business 2016.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Skype for Business 2016.lnk.exe
        • Size 88KB
        • SHA256 de8252ec5d98a4dcd8a46214ab44c314458817cad628d5feb7b86460c2f5bcd0
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 83KB
        • SHA256 8ab972eaa92024a038191cd89ca4fc5674333451afcf604c9930bdd7352ef67f
        • MD5 SHA1 SHA512 SSDEEP

        memory/1572-12-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/3020-0-0x0000000000400000-0x000000000040B000-memory.dmp