Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 04:26

General

  • Target

    902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.exe

  • Size

    6.9MB

  • MD5

    3dc23d4f3d67347a0cf00c39fbad05fb

  • SHA1

    584eacbb7a79dda8ef98242a1ff953c0c50598b4

  • SHA256

    902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274

  • SHA512

    147874286d3786ced3013e71d22095bd87a85770fff76c20e472d8092bcc3341951a2fcd38086e8666be86b972d3cc9f14f26e96fe29becbd113407b40ef7022

  • SSDEEP

    196608:iA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:qBmakyVnlUQ7Wz3Tv1jNTh0zj

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\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.exe
    "C:\Users\Admin\AppData\Local\Temp\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\is-SOTQ4.tmp\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SOTQ4.tmp\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.tmp" /SL5="$6011C,6977575,54272,C:\Users\Admin\AppData\Local\Temp\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4572
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4064
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2044
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4984
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3528

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              571KB

              MD5

              a51230e747920849bba51b0743bd5af6

              SHA1

              acd13f9be98ba4eedab82eeef869bff1c37259ef

              SHA256

              b09ae045646ee8c8e164fcfa05feae4020ed9e4bbdea21127323f72615628138

              SHA512

              ffcf5c8bdaaec926d4975976bfb309056c7ec905b2178598eb7efedf76a630a81c41e4caecff1fd35686daa47b6f6139df44d468c85ec08d6fe5aa51b31bed5b

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

              Filesize

              425KB

              MD5

              8ea9fd1f14d4fbbda1cadcc5ab7ba891

              SHA1

              c5a18359b13e07a68a0b50a56ca19b53a6eca460

              SHA256

              d076102ecc645eb7b4bb63ca587dff337f181906dfbd8758b0fe21dac5e13cc4

              SHA512

              f50913e7d6498152f2a6973d22a181e1d1d836c52ea47a31ec66ba29c4808be93659b42003e293a933836ac6bcf510d703808672d573d91a211d04228612649b

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

              Filesize

              172KB

              MD5

              be1f470ea35e195e891e63f3631bfdeb

              SHA1

              526988b59b288669651cc5875ee9d496a9485c3b

              SHA256

              7a9a9613e18baaef8884b7b882f958f2a75e80eb5eb5a30bc84e2d034bdfdba1

              SHA512

              27ac055b649e7fa8cd74bb678fecac6e5c21ded81cff6085e74809b9c930918fda1301ce0e323bc8a324d97380872bd4d482ad5a085127b5f6d501b2e44da854

            • C:\Users\Admin\AppData\Local\Temp\is-9FQ5B.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-9FQ5B.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-SOTQ4.tmp\902b386e32172cf362ff8ad101f3c6bd8882cc87bf266a8cc9f5b5f90c5e1274.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1436-163-0x0000000002230000-0x0000000002231000-memory.dmp

              Filesize

              4KB

            • memory/1436-12-0x0000000002230000-0x0000000002231000-memory.dmp

              Filesize

              4KB

            • memory/1436-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/2044-181-0x0000000002870000-0x0000000002912000-memory.dmp

              Filesize

              648KB

            • memory/2044-176-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-209-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-158-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-159-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-206-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-203-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-162-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-199-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-166-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-167-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-170-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-173-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-196-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-179-0x0000000002870000-0x0000000002912000-memory.dmp

              Filesize

              648KB

            • memory/2044-193-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-180-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-186-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-189-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/2044-190-0x0000000002870000-0x0000000002912000-memory.dmp

              Filesize

              648KB

            • memory/4064-155-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4064-151-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4064-152-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4792-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4792-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4792-160-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB