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Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 03:37

General

  • Target

    d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.exe

  • Size

    6.9MB

  • MD5

    efff26d358275dbea5f3f754f39bb933

  • SHA1

    4a1ef2efd4e78e2ed740b95b3aede57b7e2b3163

  • SHA256

    d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442

  • SHA512

    d18985243d800fbfe9a61870cf53256a37d51285de7b0c78777a63e448e7d5c652321009bc0ff39c2637c2e2f18411d8f9ade68b4de20c36617233fde9df72e2

  • SSDEEP

    196608:4Snj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:4SjumV+jHUodIjk5VzfE9Awzj

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\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.exe
    "C:\Users\Admin\AppData\Local\Temp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Users\Admin\AppData\Local\Temp\is-RIHDT.tmp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RIHDT.tmp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.tmp" /SL5="$60158,6998999,54272,C:\Users\Admin\AppData\Local\Temp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5084
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1772
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5024
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4712
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        407KB

        MD5

        3e90b703ba4c01b6735abd088a49805b

        SHA1

        76e239a356c050629f2d6a9b8f380001240feb88

        SHA256

        896121e4f5b2f18ae06607ee57de83cb51f8d80ea5103191806a129dc4453261

        SHA512

        c55a6ba7fd8477499d325e2cb03b2124100ae03f05149f04932d0622ff9ae65efaa3873844a34dc65fff342d4f09fe5c947ebbc21e75c973291d87320d9ba52f

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

        Filesize

        205KB

        MD5

        25e40625c595620c9635fef85b6df1eb

        SHA1

        201a6d477d7cc3ca427155ac92b7c6fbe7431fcf

        SHA256

        6e55a44819c448b38cd48755d1b7643fa2e76b412f20390c190d744d2ba85a4c

        SHA512

        f66286c9c85b2031e094d43ec82c4733687af3a9ab8da7875d7757f6300948186483169fcac96f32b8fa81e252c7800faf3b301f0c5ddb73b98b2b6c46ea91ae

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

        Filesize

        418KB

        MD5

        847c054e2c40745c85c51ba0fc97e91a

        SHA1

        52ddfd87f3f8546681be100d36be8284dd3fb1dc

        SHA256

        21325b3e089f63f1d1e5d0a8a925ee8007620d3a12ed572b9590b772676586be

        SHA512

        10cdcd9ed75e2597cd7fbfce41a6e6ac2bfc1243c79e2a34c4e67db9ea559861922ef3722bf2e3eb89eea003539f0ae57e642237c8466233d600a5fcadfacc9d

      • C:\Users\Admin\AppData\Local\Temp\is-RIHDT.tmp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.tmp

        Filesize

        151KB

        MD5

        74d90473cc899f43f61e8073ecf1c080

        SHA1

        737459d150c07b563a78c19384f822aa5b2f127c

        SHA256

        49ab0f72808b7c479cc722e222aab7610902f3352fe49fe7e0fc2278bbddddef

        SHA512

        2d1d1141d15f5f99e694db32fc6d7b84ceb79a48793ec46375ac1d9a58eebc921c843e34090e6c8243b9b72e1a5e8b59198199ad84b93c7f41cfda7f9e7ad9bf

      • C:\Users\Admin\AppData\Local\Temp\is-RIHDT.tmp\d829897b5c330d2f975f4674481c790a49b59f036cfc8eb782f01dee2ef62442.tmp

        Filesize

        163KB

        MD5

        654e18f6877a2dc7e8188dd6b8c0711d

        SHA1

        3a02a17488acf74aef1d2d0622449c15f8798a01

        SHA256

        447207a6197eca7084d898f0bb343ef6ecb37852556a3018ea037a02587c2b9b

        SHA512

        44639d9d7e104186bb9d44017f456a989c398654986ea6f39570030cfb6c9dc075645f7d35431432dc2c282257e46f2a987a9257aa43d954e7f8bf84bea72501

      • \Users\Admin\AppData\Local\Temp\is-799GS.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-799GS.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/924-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/924-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2592-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2592-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2592-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5024-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-178-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/5024-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-182-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/5024-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-189-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/5024-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5084-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5084-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5084-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5084-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB