Analysis

  • max time kernel
    145s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 00:56

General

  • Target

    7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.exe

  • Size

    6.9MB

  • MD5

    bd0710c552983d7ed878fea49d1c7720

  • SHA1

    e4899d65fd4cda05de6984df15a578193948b68e

  • SHA256

    7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341

  • SHA512

    b93d9fda812331db84712c6c80101337f22057ab1b5568b0fa1e64a5f2065216aa16ada2fe2e757572b987800b2f35ec71ff0a37ea3ef5e2d906e0f3a0585eab

  • SSDEEP

    196608:0A89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:4BmakyVnlUQ7Wz3Tv1jNTh0zj

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\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.exe
    "C:\Users\Admin\AppData\Local\Temp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\is-HCGO0.tmp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HCGO0.tmp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.tmp" /SL5="$1201E2,6977575,54272,C:\Users\Admin\AppData\Local\Temp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:60
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3116
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4508
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3276
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        e9f17707ac869859181f512cd26ce1c9

        SHA1

        da685cce3a07dc0fe302fd2953ef5d682d58ea90

        SHA256

        825adb4cb11c9cfc85c742fee59361140229f5c1319d4430ad4f24d9c1e76ee8

        SHA512

        3863a982e71e4fdb9af798f2c9c92768d1812b0277a00858e48fa7cbced9ae75c9bfe9946bbdf6179343f76cd0cf109793475d7682889492ce0073731ddc7270

      • C:\Users\Admin\AppData\Local\Temp\is-HCGO0.tmp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.tmp

        Filesize

        231KB

        MD5

        d3010e9c7aa922e8cff706e0a587cb06

        SHA1

        9fb3e7c9216807298534505a29e66ea432df5212

        SHA256

        961430619c8bf4b321b58f1dd717d06b4f2e31d21b670f083600d68928ec15ef

        SHA512

        dd3db46ae088bf1f0116f833bf6f663ad5d22fdf4ffe7e5e1541f1b952b87f6a02cdaa3fe4541917d6bc041157979b1640457c242b0d8db4271a814ea8ac6402

      • C:\Users\Admin\AppData\Local\Temp\is-HCGO0.tmp\7d8424e4c731feeaf172286d3f0c5a072212f69daae72a88423eeff2f4d66341.tmp

        Filesize

        2KB

        MD5

        a2af3d47c13a156680f08d158e1b5fda

        SHA1

        c8a5878208320fbb4f624e0063bddbaacef6e24d

        SHA256

        e754f286122a3c8059264d3af6bf462cf8b4185bebd87fda12a22b046982ea6d

        SHA512

        adb47d415be9276bb14f7c11c985b33b780285b2086705e90bb0c17b2eafd1ee52b1e57e31f607844d7361340ca85a80d08e0db7a423b5e158d887de01115544

      • \Users\Admin\AppData\Local\Temp\is-BHT6J.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-BHT6J.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/60-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/60-11-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/60-162-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/3276-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-178-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/3276-182-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/3276-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3276-189-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/3276-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4368-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4368-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4508-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4508-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4508-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB