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Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 19:39

General

  • Target

    6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.exe

  • Size

    6.9MB

  • MD5

    7d64466a0e5f30b044551ae268844f43

  • SHA1

    d30e4eb5a559e1ba742d03624f4a84ea2bd6edd2

  • SHA256

    6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5

  • SHA512

    8522e2f8a630ef56c2084a230a1890fb8401ded9f7fa039b9ae1468ae6bf3b3aa02ca8f7c902555e48ef2dd9daa9f86756ec5fad19057a9690aef2d46fe41599

  • SSDEEP

    98304:0+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Nz25G6bV1yYDuZxCWQNhUU2uNzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.exe
    "C:\Users\Admin\AppData\Local\Temp\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\is-E09MT.tmp\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E09MT.tmp\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.tmp" /SL5="$5021C,6985375,54272,C:\Users\Admin\AppData\Local\Temp\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4792
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:880
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2896
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5028
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4388

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        843af625c1272e90a2e11d8daa88f66f

        SHA1

        d73f6d55734b144cb0dbfd5200303b4ebe62123b

        SHA256

        e8728dc2fe202fe9b597a65bf2521a28ee0be16f7055eb97ee15568402fafa71

        SHA512

        856addcf246cc2a2ac3cadcd6761c8502d814bfa53f6accef5fc55ece1c6cf66d62c1859a77d41f401cae21c915e7d0ef1486fe928a2e9289746af02f245b970

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

        Filesize

        930KB

        MD5

        294a887988ad00c599dfdd91c63ec219

        SHA1

        bb41c6c2bd94504d49ffa7c6b06daec8b161f70b

        SHA256

        3a9ac49f81f7cc0419e712c145a8731fe1c24e547e6e7e515f1c298e9de578b2

        SHA512

        1fdb317baa7e5fc613c378881bf1e740422864bf9e33a32737b8c5a1a39c94a7af358a6c5a491272815e1e5b3ee11b028f5c26df3a770936fee650e63519ec23

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

        Filesize

        469KB

        MD5

        44c8d8077691a5b4f7ef8fd6ebeea30b

        SHA1

        d1cc892318180fcc81df679ff03d0464d092c082

        SHA256

        7e220018b05ca8a6d7fcac6597a3888b7b7718c64515709b551cf774725dd79b

        SHA512

        c872d4cce3eb9eaf263d421771c77716c4708d294422d896222fe7b6b84949b103c7288759abf9fc7becb5ed1b0792ce1dd0fb6057adf7950e7e4967e8e4515d

      • C:\Users\Admin\AppData\Local\Temp\is-AL1U3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-AL1U3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-E09MT.tmp\6229fb583467a756732ede5cdf5b65c621999448399e185a32e24561348706d5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/880-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/880-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/880-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/880-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1240-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1240-9-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/1240-162-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/2896-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-178-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/2896-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-182-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/2896-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-189-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/2896-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2896-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4620-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4620-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB