Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 02:33

General

  • Target
    d49538338a5bf13dc3a7cedea5bc8610f54eca1503b7537e3e3d6b752f02cc51.exe
  • Size 95KB
  • Sample240615-c19h6szfjr
  • SHA256 d49538338a5bf13dc3a7cedea5bc8610f54eca1503b7537e3e3d6b752f02cc51
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5343) 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 59 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\d49538338a5bf13dc3a7cedea5bc8610f54eca1503b7537e3e3d6b752f02cc51.exe
    "C:\Users\Admin\AppData\Local\Temp\d49538338a5bf13dc3a7cedea5bc8610f54eca1503b7537e3e3d6b752f02cc51.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4292
    • C:\Users\Admin\AppData\Local\Temp\_0.exe
      "_0.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:920

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2539840389-1261165778-1087677076-1000\desktop.ini.exe.tmp
        • Size 96KB
        • SHA256 19e601a655a0b36605b89be72b7d5f8cd73c9a005c5de72e8f89450c4a79a2de
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2539840389-1261165778-1087677076-1000\desktop.ini.tmp
        • Size 45KB
        • SHA256 50afaa1e657afa23e0ad2efac60b02d634374b5cc584693240093762c404bd14
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.exe

        • Path C:\Program Files\7-Zip\7-zip.chm.exe
        • Size 158KB
        • SHA256 eb097c8ffbf7d86a704191c6c380ecbd6748acf0716938aa387055bb59eab6e6
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.exe

        • Path C:\Program Files\7-Zip\7-zip.dll.exe
        • Size 144KB
        • SHA256 785588363e0e0c453daa9b2d15bb02a7b537423fc2a938177b6cd2f263d6c265
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 980KB
        • SHA256 0dbd096f383f0eb8f03e9d0d22b64a0345c4f56e2d11ebf70c15f21aa8e728c6
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 1.8MB
        • SHA256 0dd93b34745066230bcfc5d5ce426b1341bb90aff8a2d83668dff84c1943d791
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 594KB
        • SHA256 0952cad55ebb0d184832755cc83f9b11ccea6ffd1a8f47dd5f78d9c6bf262784
        • MD5 SHA1 SHA512 SSDEEP

        7zCon.sfx.tmp

        • Path C:\Program Files\7-Zip\7zCon.sfx.tmp
        • Size 239KB
        • SHA256 bf4f9c6d9a566eb87748e70b854233c6aac342536a9d048a0b0321c1d3543567
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 981KB
        • SHA256 2e40ef3b88a4c6bdd4d920a165106da8c3416d04aaf0687b1935436db920ee5a
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 734KB
        • SHA256 f0d38baf53d5ccc11faa21cce89329e564e9dc2b971633ab163782302875d1c3
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 107KB
        • SHA256 b92b331ec0553421c120003b14a399ecf727361a819c35c218e73ac67100f8d8
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 60KB
        • SHA256 6aced07a6c1f9fc0cda7e335937f5d19439aa9a248e94c6ef6a07c2162b66e7b
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 58KB
        • SHA256 0dc6f0500ff4230b63b9412e5b165cf045a28a6e635d7f47b7e6c5fc5e0bdf6b
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ar.txt.tmp
        • Size 63KB
        • SHA256 a5e78d403bc6c89894255ffb98d8df04cc0ed82b52e17dde585f868ecf279f97
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 59KB
        • SHA256 8d2cfece77fe12751cdc4e07197611249c94a3e1469158c6510b3e9126645208
        • MD5 SHA1 SHA512 SSDEEP

        ba.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
        • Size 61KB
        • SHA256 a58aec1453339f55f54bcf6567f1db97e1d17d742f7854e1e1831ed589f26a2e
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 50KB
        • SHA256 4475368705b83d59d1b0093870d8d782d0bbbbb0ac62e16970fe26f70dd2ad63
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 59KB
        • SHA256 8a5e86a708efdf003798ef98a2fb361535e1f76b593e541bf98d143a81152724
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 55KB
        • SHA256 e31b2349d1fbbff9469f67bae9868771c19b64bffa6a7dee701bf8da67f45d15
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 53KB
        • SHA256 fc04a1cb16673c6618a78663bfe0ff66f6f3f8b1b5a2f1cd0cdb508aeecba134
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 54KB
        • SHA256 53864a4ff2239e6254d863eb572eac63e163fc6cd14bedd0bfb88cbe439e9169
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 61KB
        • SHA256 b191393e2858dc29602508374522d0349e50c9df1fc4eb0f06f873575160a15b
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 50KB
        • SHA256 12ee5a6d6816523557a0a56902b11dc7de0c428678320f49ac88560c3f2bfeec
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 52KB
        • SHA256 7fe2db1332613c270d6246557437b5467576a2a2bf8ed6399d4155cd6972ae77
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 54KB
        • SHA256 3fc7fc404188e809298fa02d1a5acd048c6007e468dfcc31bbc8233a9673500e
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 53KB
        • SHA256 2abba24be87d88992fc567bc00a45de3533e1e038f708fbafbb7ffc83bc831a0
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 58KB
        • SHA256 eafe7e7aa5f6471bae29cac038ba1774a5bf7a56d85420efc604c31e362e67dd
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 54KB
        • SHA256 929b86e4272badf5431b296df125641677cb7fbff8a1adddfb2aa22bbd2e2eaf
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 45KB
        • SHA256 971a6cacb5538703edcebf701f8a4e6a76164fa9e310a77564b92ca2da850beb
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 59KB
        • SHA256 7deea3bd7c2ef412d22838f349fc0b194b8b47ed432fe6faf8a692f5aa7d187b
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 61KB
        • SHA256 dc0b80a80455410e2ad299a26dc449c1fb5d33293584d4bcb82d349baec99489
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 52KB
        • SHA256 e8a3dd88b943eb89491ef14db4098b51adb598b0b77ef08bb05900469253dfb7
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 58KB
        • SHA256 de5539c97ce5849d01ab77e16ff16d398d852a1b4629bab727948d15ae297937
        • MD5 SHA1 SHA512 SSDEEP

        hu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hu.txt.tmp
        • Size 60KB
        • SHA256 d9d03c9cf46203375678ab473c7d4a19e01b8c88adfa21e1f9f25cd5f5c7c586
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 58KB
        • SHA256 bc5e0a3473160af9de6d4a1d20b43cc1d1819533af7c0ad0b059c69123e8b9a1
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 60KB
        • SHA256 a1f30a8a7ccda4946f3cb7f03442c78f9eda242f3eb09ce28e19dffa52afd163
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 62KB
        • SHA256 0d7bf8e5afc206b9f3e2c7fc9e74cf819f94cddcde07604c0600126112af896a
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 63KB
        • SHA256 ff76dbcf344aaf2365574226d44ddad108caf616b454dc4b05994c8ec379cee2
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 58KB
        • SHA256 44ae2800303f349affa3e30482b971c3057078b5e29c558b4f452ebee977c6af
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 58KB
        • SHA256 bfcca6552d30cc9d2091b10128bd05a85b01a06816860d39276a11b42ffc8fd0
        • MD5 SHA1 SHA512 SSDEEP

        ko.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
        • Size 60KB
        • SHA256 61fa621e6be723b61dfffdea3941cfffb896e827b8c6073bf2bdb590b1fbd2d7
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 62KB
        • SHA256 7349577fb67406eda7f8f8085dec64f1a0b478a83897985cea353d0a0801fbbc
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 58KB
        • SHA256 3a22ab18bb6d89c1dbe28d74094fc2f31c33b4a76632161b67abdf456efaa31b
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 48KB
        • SHA256 f6f62f973e32f846034cb88a9abfe5fadf66e0c34e5166f8e410a9f757cff2af
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 59KB
        • SHA256 ba11d4c5420c090cfdc76d29ccbb4cd8ed05e2a95f17ff401b525e10b0f4f8d3
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 53KB
        • SHA256 97da9f429b9d6b12e9197ef849089a59aa73b295ed96dc78439fe66c4a1c64d5
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 71KB
        • SHA256 8984140b1451d2e97d1ed0ca4159ef0e48f64213b0e1095ca702a28b22518689
        • MD5 SHA1 SHA512 SSDEEP

        mr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mr.txt.tmp
        • Size 61KB
        • SHA256 2e6fef901b910b26c838220c03310c14bdaca7bd17e5d4c7de3c530c21ea7619
        • MD5 SHA1 SHA512 SSDEEP

        ms.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ms.txt.tmp
        • Size 50KB
        • SHA256 8dbc945e72bddd2e658eb8a5b443f6b657b39638a2b2a30441c1cc7799268f09
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 50KB
        • SHA256 6c1483de77a28c717c73e2672f037ca284c27241763aab963e7711680c6834c8
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 63KB
        • SHA256 62d61fc70208d516d55376b633a27746bf9b7e94fdeafce5bc25e388830ecae6
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 54KB
        • SHA256 d544631686d5c0084df6a478d8606dc0079fb9550c9c175f0414e275f3939f71
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 60KB
        • SHA256 8d0649a46171b48e66c72b5416eeb0936d33944ee0a88d84fde68875767adaa6
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 55KB
        • SHA256 d3778f2686b9790fe5cfea90128fa47a9a9398d38f5ca91baea90388e516bafa
        • MD5 SHA1 SHA512 SSDEEP

        net.properties.tmp

        • Path C:\Program Files\Java\jre-1.8\lib\net.properties.tmp
        • Size 55KB
        • SHA256 311f0f0bc017dff185a5d045e12e06325a9aad86820dfe904662608cd484d30c
        • MD5 SHA1 SHA512 SSDEEP

        _0.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_0.exe
        • Size 50KB
        • SHA256 02e426f2fc8448d21267d71dd7a322f63cecc8876490731b996582ecddc69f3a
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 45KB
        • SHA256 90e538fdf02386803ada90a3483cc5dbf74c7a15d132db0c0a20fa0ca5f6fa3b
        • MD5 SHA1 SHA512 SSDEEP

        memory/4292-14-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/4412-0-0x0000000000400000-0x000000000040A000-memory.dmp