Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 20:21

General

  • Target

    62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.exe

  • Size

    6.9MB

  • MD5

    2db4bc807e85d3a035409719698aca2e

  • SHA1

    a13cab5d9d465319698a85d64198c6e352047031

  • SHA256

    62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2

  • SHA512

    43f2bde19bcb91847cea1a344980a72fa7ed664f6c48163810707204d2dbbc7fd94b8600887a7c412dbd3d0c0381e7e2a9f1b7dc209cfc7c39e2061ae3d2926a

  • SSDEEP

    98304:k+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:dz25G6bV1yYDuZxCWQNhUU2uNzj

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\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.exe
    "C:\Users\Admin\AppData\Local\Temp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Users\Admin\AppData\Local\Temp\is-9DSTQ.tmp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9DSTQ.tmp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.tmp" /SL5="$5020C,6985375,54272,C:\Users\Admin\AppData\Local\Temp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1500
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4152
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2232
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        599KB

        MD5

        5bfb4714bdad4fc6be0806a45da24052

        SHA1

        189a80223cbccf083303e80606410a832360c7b4

        SHA256

        6a29fcb39b9e8fd1719e7249ea0557989f10072e1e40d8c3d9ad6ace2daa42fc

        SHA512

        7aae939a4f345a28dd50128834309e166ebf57e31c174b5ef34f4643b00247d6ac6b58f2e4b1d1d891425c346890080b3e2423da42695bf99d763a531896c8cf

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

        Filesize

        925KB

        MD5

        30dcb357f1ef22bd83c6fc7d0bc523a1

        SHA1

        2e376ffd53de5c823a099bfbf6e4e2f4d34aa65e

        SHA256

        ef5299f1d484212990a022d11f995348fa547f99c4a91490a565f9004f52a38f

        SHA512

        89fc8835e3dad847d1bae2315f194bf9e6eca4aed8f56c38b1933e45260e56af9ae27158eceaab299255c9212fa06a742f4cadb561d92c0502bb192d40e905eb

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

        Filesize

        32KB

        MD5

        d0d110b12c845b2552041843cc361327

        SHA1

        24cfa1b138438da980469f55d6ef3dec8fe78b08

        SHA256

        62795d007ef5ec23e67ccb7031b9246bd8ba06c880587a9332b69518dfdc06e1

        SHA512

        b41f75f734c572bc19d70c8dc250f4f90a365f4805ea30a786968b2145e33f782e9f60e6ecc3cc98f2b579ae0ac65acd3634ab026246099ffcd0e0c5c518eb90

      • C:\Users\Admin\AppData\Local\Temp\is-9DSTQ.tmp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.tmp

        Filesize

        640KB

        MD5

        1633e8c1ec44c0dae58412ccf466ce3b

        SHA1

        12a483b47ebf10c5b4f80e804d9612e9e72ccd7b

        SHA256

        b63d0b1af3bf0cc35ffc56888749d30eb125752539cc24a7b961bdb4a4e97b33

        SHA512

        549e60cc947c95bb55d4852bf731d5ebb9ce94e6f042216a08cd1a7a54476bb432accbe68409d2ec075022608dc8af42c9e716f0680bc5445a666f5124821d54

      • C:\Users\Admin\AppData\Local\Temp\is-9DSTQ.tmp\62ab584c1a1c7b99b4be8638a24b634b1531d670cf43d75c7134a1748eacc2c2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-M91H2.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-M91H2.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1624-182-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-190-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/1624-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1624-179-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/1624-183-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/4152-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4292-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4292-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4292-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5000-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5000-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5000-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB