Analysis

  • max time kernel
    160s
  • 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
    10/12/2023, 22:49

General

  • Target

    23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.exe

  • Size

    6.9MB

  • MD5

    52284ac9ff69a1b130c7bcc1986da9b9

  • SHA1

    a9e6df59cabde0fae0798f822e32b73ef5d39d88

  • SHA256

    23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8

  • SHA512

    93136799ddf0f6f8d5e31c83fbef9cbba447b06742c0206dfc951455c283b584595d276d352fa5aa04b63c3f0a88b689aa8d4a3f175986704ac8767ad627e220

  • SSDEEP

    196608:JK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:JDY6tiP3myRfzepXe4ny8gxzj

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\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.exe
    "C:\Users\Admin\AppData\Local\Temp\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\is-DDPSQ.tmp\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DDPSQ.tmp\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.tmp" /SL5="$501EC,6991381,54272,C:\Users\Admin\AppData\Local\Temp\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2672
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5060
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2872
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3656
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1040

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2.1MB

              MD5

              bb0124f16d88c4ec1fcfd9e524a5b921

              SHA1

              5017dc7277dbc5bb0b6f8428e4ff72603e3a370b

              SHA256

              59495c6e79c301f767f3d336050fb9927826f0ae972d634d395f5b44d7280a09

              SHA512

              4be3e838fb41cd4d01a12b639cdcb93df94deec0debd2593c53bbfe977daf5bcb9e3f97f6c47d33e76aea12ae2f9224f27652dfb5b5a69f53d201184766fff91

            • C:\Users\Admin\AppData\Local\Temp\is-4S1J1.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-4S1J1.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-DDPSQ.tmp\23581dddf450326ccf90e1a94d24b7b7d1c8640f7e7b96a3c1c5ba44d14c14e8.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1040-186-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-181-0x0000000000780000-0x0000000000822000-memory.dmp

              Filesize

              648KB

            • memory/1040-206-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-203-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-199-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-196-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-193-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-191-0x0000000000780000-0x0000000000822000-memory.dmp

              Filesize

              648KB

            • memory/1040-159-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-189-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-162-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-180-0x0000000000780000-0x0000000000822000-memory.dmp

              Filesize

              648KB

            • memory/1040-166-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-167-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-170-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-173-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-176-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/1040-179-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/4264-163-0x0000000000600000-0x0000000000601000-memory.dmp

              Filesize

              4KB

            • memory/4264-7-0x0000000000600000-0x0000000000601000-memory.dmp

              Filesize

              4KB

            • memory/4264-160-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4804-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4804-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4804-37-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/5060-156-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5060-154-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5060-153-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5060-152-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB