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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 18:35

General

  • Target

    1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.exe

  • Size

    6.9MB

  • MD5

    91673e49a993ab75acc211573ec254d7

  • SHA1

    5e213128eb8c16316a9edda500367d0e61b88e19

  • SHA256

    1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b

  • SHA512

    3e4690ad028bf2c3b6c54b7df33f64c222d3c07cba38e4dd1f6b2922b869d8d3bd46858024efc76bbe0aae469207eed79381f402a0f758e504f02c621ccbfbd2

  • SSDEEP

    196608:QSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:QSjumV+jHUodIjk5VzfE9Awzj

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\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\is-2J96L.tmp\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2J96L.tmp\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.tmp" /SL5="$801EC,6998999,54272,C:\Users\Admin\AppData\Local\Temp\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1352
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:912
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4576
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2896
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3172

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.1MB

        MD5

        3fb6a32b783f5546a8f87fa17f57668f

        SHA1

        850f298d33994c88c180c40ff13cab8cf332f179

        SHA256

        32e5ed270800f851902eb36aa64252e6fc0c05c0ea88da661568d943bd321255

        SHA512

        c170b3c14bdf5471084411f1f106405ac9b5d8f3403856efe4724db9457e13e29c9d24d8f8ec19e37687ef55617dd73cdcae6c9e39bad573395e4f242d818ac6

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

        Filesize

        799KB

        MD5

        94a55cde0c3dadf44417f672d4297f0f

        SHA1

        6fc322bbecaa1f93f35209f15f4b96dfa2769c8f

        SHA256

        8efc91672ee99705154a19d2291717b95d439b7e4b775e03b268f1aac18bdff7

        SHA512

        eb708814be4ab5799226759f4a6852e284004b25dfe60815741db16c9e890d4521bd2857b8c3e8f7ba3f15bff6a1630ac78d6a7c50e4be2098e45c8666f33316

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

        Filesize

        72KB

        MD5

        4b06654d6941c27bbfb8527d4fccb0f2

        SHA1

        601627b1ae911a52d7215865ccf317bd9a31ba20

        SHA256

        7ddfcdfbf0246af1c2f85ab2d2a7e4e1943ce75a2ee530d42b96bc6e82d9010f

        SHA512

        4cb81f59660493387414106661bc9454cad8d1488a3d3107ed4b85801a972ccbbcbbf267fc8b522f99a82f6c2c8f934fda672c4a46c0ecf0548c8f54a5be34dd

      • C:\Users\Admin\AppData\Local\Temp\is-2J96L.tmp\1dd4e858309ccdc5a72a66802a036d3581c5e219ec0675773776a68aa36b334b.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-EE9HK.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-EE9HK.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/912-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/912-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/912-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2852-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2852-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2852-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3172-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-179-0x0000000000750000-0x00000000007F1000-memory.dmp

        Filesize

        644KB

      • memory/3172-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-189-0x0000000000750000-0x00000000007F1000-memory.dmp

        Filesize

        644KB

      • memory/3172-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3172-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4572-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4572-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4572-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB