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Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 01:09

General

  • Target

    db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.exe

  • Size

    6.9MB

  • MD5

    823e6cc1a6bd7be36bb9d6f0e0705783

  • SHA1

    669ed5a47a5c8822cb6fcec30ec4ac1476f2cfd7

  • SHA256

    db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2

  • SHA512

    a99ee7848c112a7db2564cda2cba3e5e66d1f35d16f0d3b31004d3274081e37fee993c31f5186393a644f3eb5e4c69a3876313983745930a69dcbedc1cd53fda

  • SSDEEP

    196608:TxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:ZNztzQlcDPXus98d9Jzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.exe
    "C:\Users\Admin\AppData\Local\Temp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\is-MKTGV.tmp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MKTGV.tmp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.tmp" /SL5="$B006A,7025884,54272,C:\Users\Admin\AppData\Local\Temp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2940
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3664
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3024
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1928
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:3692

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        72KB

        MD5

        69c40d313c6e6126ba4ddadd98d9cb37

        SHA1

        2d88b7846ac64ef8ebb08c3f70a8ad2827079511

        SHA256

        7734fca1767b05fdb08900a30cec47dde78699d76f88da75a42cfc1ac87cb855

        SHA512

        9693309f2c2c234d28bce8f1461887c059226eeaf6e8b60790c9b6ec645558fae88379ffb717735ccd5bf429510f8af59806ec550f3fc94f7ce58e559a6286e1

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        42KB

        MD5

        a7e6e776f5d61c7a1e72e70bf5e0370c

        SHA1

        1891cd9d38c06b18ca1864f385a03342ea9c7a99

        SHA256

        711c270957ecaab61661f0ccb474feced1ac954d3cdc5492a2a12fd683c12e32

        SHA512

        155204618690d16939b83467bbf0d5572b7ad36a1bb219b23f511eadaa0a653eedafa7af2a7a4b71e59e0eb76a32e35e0a37c4c7bcf25a0022cf72609e1f52d4

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        77KB

        MD5

        c4dd0f532e5d9ddb05e62077eb1f3d72

        SHA1

        52ebfe8aa051ce301e1678972b3f803cd4c369aa

        SHA256

        d11501fa11777caacf945ec37d98ad35fe822d0307cc2a1270f65d7af4d67649

        SHA512

        9294f023fdc35b6f78fbc8c636e6d221777ed895b3710dbc09a29997bd8d224d5b911d600b4242e1c9b39ee46cc57ee3f0548e1b58dadbaf777914cecf51f8c8

      • C:\Users\Admin\AppData\Local\Temp\is-3BPS5.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-3BPS5.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-MKTGV.tmp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.tmp

        Filesize

        204KB

        MD5

        e8041f0d5287d72d542db0a780d9965e

        SHA1

        71ab4f479380e42e171b0d654799ab388788b97c

        SHA256

        dc126c3d9f53cc744bd3e8b24fb638a8755ccb14a9456672ba8b34139f0a0a24

        SHA512

        1682233e95db0bfb91dca5e5cc17ca3780eff266f995ca7543ee4f8e665b5781bc7d2d3cbbc1bd6472b564300cdb34512622a01ac8d5e06a1a0ad1e5f2cc88f7

      • C:\Users\Admin\AppData\Local\Temp\is-MKTGV.tmp\db5a4c6b6e890fdbf88bd46edb3ef0f3209a503a825ed1c0ce60d5fdbb752cd2.tmp

        Filesize

        333KB

        MD5

        09c55a9fe87089deda629eaa93bc54ce

        SHA1

        970a62d64c6b5fd8c48a339db8c6948db015f9c9

        SHA256

        aba889b3c4a5e3651c1fb6ad1683274d93899e2051bff90d9cf24563bfcb73c0

        SHA512

        10260b320ad2fd352837ce0966f9133ffbe444028e457ecdb7954902b31ad8c3e6051257ac1efe3ed45201cd0d60cc6a7ca68ebdb0f4ff767a6780ed6f951b19

      • memory/2692-163-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2692-7-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2692-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2940-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-178-0x0000000000870000-0x0000000000912000-memory.dmp

        Filesize

        648KB

      • memory/2940-183-0x0000000000870000-0x0000000000912000-memory.dmp

        Filesize

        648KB

      • memory/2940-190-0x0000000000870000-0x0000000000912000-memory.dmp

        Filesize

        648KB

      • memory/2940-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2940-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3024-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3024-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3024-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3024-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4616-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4616-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4616-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB