Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 02:24

General

  • Target

    4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.exe

  • Size

    6.9MB

  • MD5

    735efed9ba43a633c1a34c8165461a72

  • SHA1

    ec498371c608ee44792c6d7bd602e1ad1fbeb1b9

  • SHA256

    4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a

  • SHA512

    b382b6dd1bd29feef3d4dae5b926e5f923d2dcc160ef9910fd8731c9268889a71ff7816238ba6e99baa6a648b613129522187549981962348bd3532d535762b9

  • SSDEEP

    196608:OA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:+BmakyVnlUQ7Wz3Tv1jNTh0zj

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\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.exe
    "C:\Users\Admin\AppData\Local\Temp\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\is-9S0HT.tmp\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9S0HT.tmp\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.tmp" /SL5="$30222,6977575,54272,C:\Users\Admin\AppData\Local\Temp\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1988
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2908
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:776
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5080
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1500

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.7MB

        MD5

        e1b91be786334b5de54bd929d7db414a

        SHA1

        531c4510023f644cfff67ac7b04cd456ac5147a6

        SHA256

        fb137132bad585f1a669b8f370e9a90af69d5fe043fa80fb7c37b6233f76244e

        SHA512

        ac91606b3359292203ebfed550b10798ed5e479f0015192b70470a5d3ac5073a9bc8e787cd1afc29ce169b2fe46e1ad7edabed89a8f5ea6c7bc139df53e50dcc

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

        Filesize

        2.1MB

        MD5

        e9f17707ac869859181f512cd26ce1c9

        SHA1

        da685cce3a07dc0fe302fd2953ef5d682d58ea90

        SHA256

        825adb4cb11c9cfc85c742fee59361140229f5c1319d4430ad4f24d9c1e76ee8

        SHA512

        3863a982e71e4fdb9af798f2c9c92768d1812b0277a00858e48fa7cbced9ae75c9bfe9946bbdf6179343f76cd0cf109793475d7682889492ce0073731ddc7270

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

        Filesize

        672KB

        MD5

        c14a819722dbfbf73c4524b371497bad

        SHA1

        a7376e931bcfb7b0897daca8a10e389963ef62eb

        SHA256

        7ee6e1c62769747f39fd9bb02b6d6d7468f3b4350db5efb2db5d98c17b832f83

        SHA512

        71bc9a206b9f7c81ba17aa5363b0243732a8afa6890bb65708102957b5f7169ca802615bafcd263666c24ebd8dc9c12b5b813ee3eeb29811faea269f57c2fe03

      • C:\Users\Admin\AppData\Local\Temp\is-1I17T.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-1I17T.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-9S0HT.tmp\4865a39974a7f9b53dec149a18bc3d77e3fb48bd3be4bbc439cfc42ca2c2921a.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/776-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-190-0x00000000008A0000-0x0000000000942000-memory.dmp

        Filesize

        648KB

      • memory/776-181-0x00000000008A0000-0x0000000000942000-memory.dmp

        Filesize

        648KB

      • memory/776-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/776-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2696-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2696-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2696-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2908-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2908-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2908-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2908-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/5068-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5068-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB