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Analysis

  • max time kernel
    144s
  • max time network
    149s
  • 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, 00:19

General

  • Target

    da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.exe

  • Size

    6.9MB

  • MD5

    4e6ebae3a98e41ba9f1aba2cb5e6b064

  • SHA1

    349159cd0b4781da8f166c4a4e9bf025bba8dedf

  • SHA256

    da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8

  • SHA512

    6a83778e396a8372da0b5e730557d99b44aadd2f0d1154c4d40875747ac79dd5d966a0ea4dfa5dcbb0d962283a7dc42bb5c35f214a10151b37211940989d93a6

  • SSDEEP

    196608:kK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:kDY6tiP3myRfzepXe4ny8gxzj

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\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.exe
    "C:\Users\Admin\AppData\Local\Temp\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\is-QIJQI.tmp\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QIJQI.tmp\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.tmp" /SL5="$70102,6991381,54272,C:\Users\Admin\AppData\Local\Temp\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4488
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4020
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4716
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1404
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4252
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1988

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        917KB

        MD5

        7a814abbec250a4cdc02773e2443a40a

        SHA1

        c3c4520da1e62efeb9c0debe8cf571dfd409b8eb

        SHA256

        d408f93f523e269535f05a97951deb826df7bbaddaf5e8784a7e10702d4e5edc

        SHA512

        05d8445d3143a29bf31115e21b1293c5e9b152bd06d1f8ca6f797eb55568a3298fb272b13c08b2bfeec7ece9c4c590e7660ab46dfafe1fd4a7021f9101979f92

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

        Filesize

        923KB

        MD5

        b746699d957cc086031c7d03546b2ce8

        SHA1

        4f0b60799605c3d65bf9e5129b34496eb1387a5e

        SHA256

        f90fca4411f2c6357dc730e09178c2fbc5b92b23c3cfe025f398dc3101498f33

        SHA512

        9d3b2196999bcbd8a9a50c6a3b37ab17da84f98817c08acb021f2efeb7b9499d65cec6216117ccbd72b07853f9dcd3ccf24a1c501a71fc614c08ba9d13cac5bb

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

        Filesize

        304KB

        MD5

        afa7a3d0dadddaacb4ecea22d43e48f9

        SHA1

        0c6b504690b939d7414988624c9e13a57d455618

        SHA256

        81f04a3803f7dab03ba912b2fdf7b7979df576d969948d93983054d06bc888ae

        SHA512

        af1b5d9351061bddbc25082d25bd4a8b47955cc4cb621639aa06fa57f48d3cf283291b5d60d8c1aa7b7cd08a16548c5cf3c3558865f2397b3ba6d2aac8a66a19

      • C:\Users\Admin\AppData\Local\Temp\is-69BTG.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-69BTG.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-QIJQI.tmp\da85c4fe8682c978b8619839cad147d1e66e38d33c3bd381443cbaa0e8f0bda8.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1404-159-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-162-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-206-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-203-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-199-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-196-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-158-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-189-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-190-0x0000000000820000-0x00000000008C2000-memory.dmp

        Filesize

        648KB

      • memory/1404-186-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-193-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-209-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-183-0x0000000000820000-0x00000000008C2000-memory.dmp

        Filesize

        648KB

      • memory/1404-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-167-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-170-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-173-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-176-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1404-179-0x0000000000820000-0x00000000008C2000-memory.dmp

        Filesize

        648KB

      • memory/1404-180-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/2128-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2128-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2128-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4488-163-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/4488-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4488-7-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/4716-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4716-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4716-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4716-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB