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Analysis

  • max time kernel
    161s
  • max time network
    157s
  • 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, 03:56

General

  • Target

    3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.exe

  • Size

    6.9MB

  • MD5

    d84061feac85d921ba969778a80b6180

  • SHA1

    23818a31f7a6b4d45475398a30a10d26ed3a1262

  • SHA256

    3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8

  • SHA512

    ac0dce64e5b0afefd897be374fee97ca84d10c20c389a51ad54ed65aa1902ee3a9d2a4e1ae409b6b912a8d2d29af8c9823fcf98615339a7627303f53102eb080

  • SSDEEP

    98304:v+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:2z25G6bV1yYDuZxCWQNhUU2uNzj

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\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.exe
    "C:\Users\Admin\AppData\Local\Temp\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\is-1R1S1.tmp\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1R1S1.tmp\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.tmp" /SL5="$A0070,6985375,54272,C:\Users\Admin\AppData\Local\Temp\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:416
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3748
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1596
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:388
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3860
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4952

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2.1MB

        MD5

        a158c99aa92f0e29ed84bb25976d4f7a

        SHA1

        165831b30ec9ea08fa80e348ae1a522256a633bd

        SHA256

        d038c11b0567ee81823a93bd8a1cc62f176ac7ce785104e7b08954b1b3d80fa4

        SHA512

        dccf5785ba72c46cd38766610341ccc1df2cb4c98f2c475105b06ceae461bd109974d3b9d8de945619b7acfa88a85082c6ef239d7e074511b411a3706521a170

      • C:\Users\Admin\AppData\Local\Temp\is-177KF.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-177KF.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-1R1S1.tmp\3c3aae619df091579b694f036eaf54a3f3a56cf2fbc22d8337c0a1c8ea1a85a8.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/416-158-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/416-7-0x0000000000760000-0x0000000000761000-memory.dmp

        Filesize

        4KB

      • memory/416-164-0x0000000000760000-0x0000000000761000-memory.dmp

        Filesize

        4KB

      • memory/1264-23-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1264-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1264-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1596-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-182-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/4952-160-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-168-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-171-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-174-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-177-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-180-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/4952-181-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-163-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-190-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-191-0x0000000000700000-0x00000000007A1000-memory.dmp

        Filesize

        644KB

      • memory/4952-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-200-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4952-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB