Analysis

  • max time kernel
    144s
  • max time network
    142s
  • 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, 01:38

General

  • Target

    d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.exe

  • Size

    6.9MB

  • MD5

    f6cd70e5804202d0a6c8be4051e29ade

  • SHA1

    94fd5dca6d191c50039bfc5a833d7049f0b94912

  • SHA256

    d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0

  • SHA512

    aac58e292858da83eb329807a9728c81b9a15fbe6340078013a92ea6e95698c1aee9af07ea18025896a96db7f1db40561ed6a646132c8da1e35454c17901b01f

  • SSDEEP

    196608:HSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:HSjumV+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\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.exe
    "C:\Users\Admin\AppData\Local\Temp\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\is-9PICA.tmp\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9PICA.tmp\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.tmp" /SL5="$90076,6998999,54272,C:\Users\Admin\AppData\Local\Temp\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2112
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3564
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5044
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:764
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        960KB

        MD5

        56a027903bd3ef3bdf342468a8a013d5

        SHA1

        84bc4ca20ce684d2232f460ea5fe0e3e5775f29d

        SHA256

        aea0ba692ae8cf8d6e4577f8ed05a0f0b33ff47d79f0fb8581b550bfd272670e

        SHA512

        01601374e012f92af9593eadb21142d6a7e969d68dde9c9dce5c3a60219570ab767801066c65a738e1d4d60585657a3eb4f54d06c7d3377622ac73282c56330f

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

        Filesize

        576KB

        MD5

        3dc4a6a64733e4d572036462f9411f51

        SHA1

        44d70d25cf8b25f27f1f9e8eb7744e5db1772436

        SHA256

        be381d6e8889d04b3bbd9062b67d69312f5c169166d72a56afe8d70ebe8fb56f

        SHA512

        ecb623d96b67618fd046b784a031940068a38e1c272f3013f825587165885a0119f73c8f4438c9d1e471d5027eb6338dec989be1fef9a17d325cf606c4c83e1a

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

        Filesize

        2.1MB

        MD5

        2415393d2f2fa86c044408d5132cf85b

        SHA1

        fff07515e83a6b54776dab3846e968040708e169

        SHA256

        823e49580058cc0fa454127299a9fa01a74781707deda9ac92d7be62637d6abc

        SHA512

        af9e3d93e650e0b301cd8ed838c56f091869c5468b0aaa262f6dbadc413901890362ba5d836cd406319403c35f50b35cd863c83318edb355cb294d53f0b95eaa

      • C:\Users\Admin\AppData\Local\Temp\is-9PICA.tmp\d75c00bb477b8db0e526a5a3bb2938d881532330b471739c8cd7de259a9c94d0.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-276QG.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-276QG.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2420-6-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/2420-161-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/2420-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2620-158-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2620-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3564-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3564-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3564-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3564-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-177-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-181-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/5044-164-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-168-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-171-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-174-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-178-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/5044-160-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-184-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-188-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/5044-191-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-200-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/5044-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB