Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 02:50

General

  • Target

    d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.exe

  • Size

    6.9MB

  • MD5

    039110d530ca2413834c371ce71044cc

  • SHA1

    37f19d6ba88db391a220cc39885fd38ca77f1ce0

  • SHA256

    d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870

  • SHA512

    2f63e3fe7c8c878272fb24cbc1c507d40d36e6baea72a4987fedcf7cd6b4a0635aeb2c1273bde342239314f552e497add8b532534da59baad47425a1d4a25d34

  • SSDEEP

    196608:hA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:pBmakyVnlUQ7Wz3Tv1jNTh0zj

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\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.exe
    "C:\Users\Admin\AppData\Local\Temp\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\is-AF1NM.tmp\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AF1NM.tmp\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.tmp" /SL5="$40242,6977575,54272,C:\Users\Admin\AppData\Local\Temp\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2936
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:712
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:652
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5072
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.5MB

        MD5

        45c5ad8e54cb732de90a9d764bfaa28d

        SHA1

        2c677e232f20c6f961ebb188c8aabd6e5430db39

        SHA256

        5861b4784c0fc306b934f92302eece76c22fc25d58f8953dc39c4a406ea2de97

        SHA512

        d1b9ed568cc1c0a159531dffbcd0fbf0091e0fcd546e9f57ed83cf82c192a55853b8ecbdc25a760b76b702ee30011f071054dd0e81205f130ba1b12b33d7f44a

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

        Filesize

        478KB

        MD5

        1a893557834b2818963dbc2c9c5ea934

        SHA1

        6cc550ee1a78de849ef3aeb7978e4925aa37d10f

        SHA256

        7f88b731ddebec4b7a1e7ed18a18ec243bc4d5addc7cbf7dccc423fc111e53c0

        SHA512

        a75fe70cd07a3206539d6c85313e72a4c4f6e55bb3402bcee1c4f9b2469b44e885adece2a3e33cb39b92d71a37a5309b31d111c9164fa80e536ed37cd89f8486

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

        Filesize

        261KB

        MD5

        41202a59ba81b879fc03a9d6ba5e2fcf

        SHA1

        8defc2507aabab80c51a137e947b5528ce53a19f

        SHA256

        3786151f1791d7542c2495138f27031e8b020a717ef2306096917b4ac48bb69f

        SHA512

        56f5f3224a9e8b4176b5b92e6f2194e70d5c079fd1b25a2c323dde78fd02fdc334365e45705af5e80af303770a0f7d4d91bad586e3d4b58308f36e83935a7a04

      • C:\Users\Admin\AppData\Local\Temp\is-AF1NM.tmp\d73f893e74d957142ed22619871bd0022ce2dc1f1f4eac3a0b7a11ea2432d870.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-NTHR3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-NTHR3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/652-181-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-189-0x0000000000940000-0x00000000009E2000-memory.dmp

        Filesize

        648KB

      • memory/652-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-201-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-178-0x0000000000940000-0x00000000009E2000-memory.dmp

        Filesize

        648KB

      • memory/652-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/652-182-0x0000000000940000-0x00000000009E2000-memory.dmp

        Filesize

        648KB

      • memory/712-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/712-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/712-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/712-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3664-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3664-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4744-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4744-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4744-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB