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Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 20:32

General

  • Target

    ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.exe

  • Size

    6.9MB

  • MD5

    3ae9e4dfdc981fac9748df37ddc37a06

  • SHA1

    0a4e8c8ed810eb89afdd04196e12806a15304a12

  • SHA256

    ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae

  • SHA512

    e819db9b4cd834d49cecad6f05fed166be6821eaafc76655c9e4856dc38df2e1fd75f42a8c4c7ad1b7b7988d260e9619ad1efa0d2f6bfb4ddd7724a8d2538f91

  • SSDEEP

    196608:vxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:VNztzQlcDPXus98d9Jzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.exe
    "C:\Users\Admin\AppData\Local\Temp\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\is-NAUF8.tmp\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NAUF8.tmp\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.tmp" /SL5="$4021A,7025884,54272,C:\Users\Admin\AppData\Local\Temp\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1368
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2796
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3896
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4700
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.2MB

        MD5

        c49c025dae0243d17a69137bfef0cba2

        SHA1

        cefc38a3c7c1390630151ddcee89e9126e2f3ca0

        SHA256

        9f3a5933af480cef29d97df9462ce038cd1511522839c4f4957a782e4e94056a

        SHA512

        bcfcf842838390311bca20f7a3c321dc41a7d45332e1384a74816a4f8c16de9be6e174c64b21414492cd520c0ef7c79332e68e2597e6d0a16307c7ded28c5180

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

        Filesize

        1.1MB

        MD5

        9224857e2d9d53e74b781fd51708622a

        SHA1

        b899f42ccf5509c46367731653a65c2ca72f5494

        SHA256

        1134913c12dceb1a0bbf6c35f5f7200fb1e194c693e9293d105c562f98e418f0

        SHA512

        be10c27ec118220404032429d97e77ce066f574833a2ff5073dcbf382cde9d2368e3d0575e185854a99ca77a44c06019cecfc8c974eaad5022a50dcaac7a1773

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

        Filesize

        540KB

        MD5

        7a7e2154df3a63cb2319da38fa30eac2

        SHA1

        d1335d4502d25003f75ad6cd82a1c412b10ecd7a

        SHA256

        4b8bf3b0da5d9c6ed727a1ff8d97031b5da7943a5785f9e49573a218b91e80c2

        SHA512

        f9b7b9d6c0c192f689d5aa832908b4ba53ea5c9b0a89a533e5d9bed65f5a2982498d9d3c7d5ea91b9ddcded6ba00419e58801d7009f2ea58705ce70e1e85bf5f

      • C:\Users\Admin\AppData\Local\Temp\is-J3QM7.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-J3QM7.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-NAUF8.tmp\ffe38314fbe4b5481c5ea64e5a6c869811c096c64ece2664540a039164d70aae.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2796-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-183-0x00000000007A0000-0x0000000000842000-memory.dmp

        Filesize

        648KB

      • memory/3896-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-179-0x00000000007A0000-0x0000000000842000-memory.dmp

        Filesize

        648KB

      • memory/3896-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3896-190-0x00000000007A0000-0x0000000000842000-memory.dmp

        Filesize

        648KB

      • memory/4604-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4604-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4604-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4956-163-0x0000000000790000-0x0000000000791000-memory.dmp

        Filesize

        4KB

      • memory/4956-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4956-10-0x0000000000790000-0x0000000000791000-memory.dmp

        Filesize

        4KB