Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/06/2024, 01:58

General

  • Target
    c2fa417061458e4495ac8518e43bbb2ea1a968b21deefb9078c6fbe975ca13bd.exe
  • Size 115KB
  • Sample240617-cdyhdsygpf
  • SHA256 c2fa417061458e4495ac8518e43bbb2ea1a968b21deefb9078c6fbe975ca13bd
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5141) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 59 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 60 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2fa417061458e4495ac8518e43bbb2ea1a968b21deefb9078c6fbe975ca13bd.exe
    "C:\Users\Admin\AppData\Local\Temp\c2fa417061458e4495ac8518e43bbb2ea1a968b21deefb9078c6fbe975ca13bd.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Users\Admin\AppData\Local\Temp\_MS.VSTA.v80.en.hxn.exe
      "_MS.VSTA.v80.en.hxn.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4292
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2688

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-4204450073-1267028356-951339405-1000\desktop.ini.exe.tmp
        • Size 116KB
        • SHA256 4ae21f23869ceb7852469186c88e8a113642a7af1d30c8cd4cf85ce90ce0112f
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-4204450073-1267028356-951339405-1000\desktop.ini.tmp
        • Size 58KB
        • SHA256 e1a449cb33cd7d969728429ed9ca058a8709dfcfd86e0e1b287b8b5a308f7842
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 171KB
        • SHA256 3672c5e792e7620de1224de694699347aeeee09174bb6bf87dea41a9c7bd8f1c
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 96660b0f2900e172422431ebba8d6137c766ac18788c04c7bffb66bef7ae62c7
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 602KB
        • SHA256 00915114b7cc80cf95b9ded27b631f86190f5f6bdb1ed17b457082b99a3115a4
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 267KB
        • SHA256 5b3df6b0a43a0b9a75d88ed3579d34732dd53806886b7174dd01fb0e282e0dd5
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 987KB
        • SHA256 8c215918f7cff9f5691b906508e6d86b9b5430af8e14dda88d0e4d01c9b6e97e
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 988KB
        • SHA256 8771327e3b457d62fdd880155458b210b113580fa1416fae1d0861fb2f5a7635
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 741KB
        • SHA256 402b1b271cef1dca7ef689d11f00aba67ba47156ad89dd83e7cc70d5411496d6
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 115KB
        • SHA256 537638367e59d325f240814850511ef4148687d4f5f73b1088e3ebdab003859e
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 68KB
        • SHA256 eca5dff72dff8a1be5dd31595e9783f7be13f0384f5c009525b4da64e9c5890c
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 66KB
        • SHA256 bc370d4ba5121a524a9e9b5736c31e1f09666683eb0cde7b0084aefdc0b0814c
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 57KB
        • SHA256 f0d3aca0871b11f08b0eedd2e801776f2c49039544defaecadb819c5681c64f7
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 67KB
        • SHA256 ca9440da58275992919183b205671ae98728bc36102da9dfd9d21209b22f6d98
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 69KB
        • SHA256 0980a81ea995aa941eb7c2bdf8619091e75c4fed0c74a081cf20606119c537ce
        • MD5 SHA1 SHA512 SSDEEP

        bg.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
        • Size 71KB
        • SHA256 78899ed8ea86955d74ffbe4f57e15057266833b1599983c60885c726535e5c93
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 72KB
        • SHA256 1132647ca455c882574601d57b7805c2d4f2f8b2f7eb9f6eefbfde79a6e8628f
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 68KB
        • SHA256 7967514013042e3f07330da1238aa4f1cc044930edcef6c3ee0062ba5e1bb09d
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 58KB
        • SHA256 14085704aef136fc314bccf55d53770159a75ad777502d0b58e6ee672e33a25c
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 62KB
        • SHA256 825bd92e68f231200a771a1ecdc9f1de88825761a3f4835016cb15801f26c634
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 66KB
        • SHA256 db06bd5fb6ae6b0842a5516829c8add19462ea5db50e1000653f77fd1030ed58
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 58KB
        • SHA256 6bd551be640c8206e6eec486d1238550a4f572227cfefc65b97a2c5d766bf614
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 65KB
        • SHA256 52e79a1005895162bed63d9d4ed417bdaef79be915fcf3fe649545be8e709a8f
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 36KB
        • SHA256 57d80cea923fee65af45060b3f8b7be17d007398dbff2adb85a613bfa0b6904b
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 58KB
        • SHA256 654f960a8cc9f39ddea7d927ff0199d29600f990d133822f5edd1ad962b94fe1
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 66KB
        • SHA256 e6733152a10093cbe1e852a055c0f66e14ad1b337cef65ea9fa270183daa0451
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 64KB
        • SHA256 9c566f99c4a9bec1acc579bb623f50bd1bbe64c3893afdcd54377e4f2ccfda18
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 71KB
        • SHA256 77a612400290b3f1b44ab329afa5b4777f883c63eb1b786e40bceb3581f27909
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 67KB
        • SHA256 d2a96e140f15e5da33d07d2a8e307f282e580a19ffce7c5267128af999acced2
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 68KB
        • SHA256 6f2cec0ad6791bcea06b46ca2575c808dc5ee58ab3c092bfd8dabfe5f76db5f2
        • MD5 SHA1 SHA512 SSDEEP

        fur.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
        • Size 65KB
        • SHA256 70d4181507c30dd434fab7e4ed28e145a3e17f20f4b462dea7cf62fc72cf5267
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 66KB
        • SHA256 5b3bee0c095499a16179194a2ed34563392fda36c30a256ffae963029963e43b
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 75KB
        • SHA256 6ad978fed18aec922e86d7dd9444ae12d2b0ef8243ef231ea35e0943f4d498eb
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 56KB
        • SHA256 f167f1e28fcd768fc14025541698ec7f5c68a1503ab86ecfd8588dd8ff72e55d
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 69KB
        • SHA256 da9c3569e3e406dff58557f4ee561a6952bba0b0580508c13b28b825067e84c7
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 75KB
        • SHA256 e72882442bffdb6bfa6d5fd78b795786aab609c4dd5a5ca33fe7902f0a508ed1
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 66KB
        • SHA256 6b972b5a16202b3e1eb118228ba9feafdd5b61b20addab565c43ec19aa7231fd
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 68KB
        • SHA256 10c92862ed2b5eaef0030d8ba096ecf01aa055977ca2f5329f62ab3936a28be2
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
        • Size 71KB
        • SHA256 80d4ce3e3b7613bdab98b4fa34077af996700caf47c8198dfd66e8453779ddd9
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 66KB
        • SHA256 c6abd89037ba9438876346e9cf66ed50089d6eb70bc368bb56884ab61e4c2bc1
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 68KB
        • SHA256 218d2b00d5c469d57ae478f557994c9a917fef2b81f0e276aade9375f23cbdfe
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 66KB
        • SHA256 09a327c34780495b1bae2930db5b62cc63df56cd3be991bf7d1b897b8adf1be1
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 57KB
        • SHA256 1d97bc28ca79a4ac704bf48a19a6938ca3115770831a402a33acd202e416d9a1
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 66KB
        • SHA256 3689d7c37d649a8ff054fae2b53dbfb5f8874c6f36e355cf015a201d9ea6a9aa
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 67KB
        • SHA256 dff0e13c3191bb4c46848dd06f7cff63dd3d8d8a45a811e99400842f9c8d5fee
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 64KB
        • SHA256 c4b8913123908acafbc43564077b83b1cf92635712127a255a1df99c58f9a1bf
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 70KB
        • SHA256 c83de6cc1f7a183523cd0df8d99dc8cb8821c42002706dcfef22fcbcbd4678e8
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 63KB
        • SHA256 979d347942bc83516b037b9c3188e6519ea8a329454773c68fd0106047a6f0f4
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 66KB
        • SHA256 bbbdd49a36443902258ace4e45778583455bdafeca73338c06cf976cdf55026d
        • MD5 SHA1 SHA512 SSDEEP

        mng.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng.txt.tmp
        • Size 78KB
        • SHA256 fc1f0e78a4e033e06d27d0f482bb5b9049a2118d2bf22f2de69edabff839f9a3
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 79KB
        • SHA256 9ed694b714211d4d444100e1135a3bff88b5b4d5cf2fcf43269baa45aa4f1acd
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 68KB
        • SHA256 2b472cec3fc48e8674a5d50699c35c7f2152e1eb06bb253cd9e5cd19d425c0e2
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 63KB
        • SHA256 96c7c3107fc27cf3819adb6430e996acfc40988bc4071bc1c66decd96892ca45
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 70KB
        • SHA256 e430302f144f8a3629ea159c04da0091f68954a9feacc295d70a774f35380d23
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 71KB
        • SHA256 58eda0722dcac33b7fda1acd3a360048cb97e49824862912d285eecddc4bc7b8
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 68KB
        • SHA256 be3a5650b3f38bc9edb926bf0ada532e08aee2736a9892e1dc47789d7185c9d1
        • MD5 SHA1 SHA512 SSDEEP

        calendars.properties.tmp

        • Path C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp
        • Size 61KB
        • SHA256 883df8d00b13a4d300220cae2ddb651c2fc8ad66daebe3f7377c224348acee2d
        • MD5 SHA1 SHA512 SSDEEP

        _MS.VSTA.v80.en.hxn.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MS.VSTA.v80.en.hxn.exe
        • Size 58KB
        • SHA256 aca8ca14841cd15740be150b110996e9b2ed553436015f02026a715b67f36872
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 57KB
        • SHA256 b18bde46c9a815c9fb6aab1f2d4115cfe3a4881c0fc3efb15ccc003d19e2bee2
        • MD5 SHA1 SHA512 SSDEEP

        memory/3536-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/4292-10-0x0000000000400000-0x000000000040A000-memory.dmp