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Analysis

  • max time kernel
    143s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 01:58

General

  • Target

    048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.exe

  • Size

    6.9MB

  • MD5

    3dcaa78adf39cbaa31b5a859dec65151

  • SHA1

    516590fce09323451f9525af4725659685cff2b4

  • SHA256

    048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6

  • SHA512

    7fa59e3d79031956f4aa66f06b7e630e85e41f0eefdb19283c4b3f1631b5ed3cf2dfd9bc274c2bdf6c507c1f228999931e368a25f6158922ce5f2b3a47b61844

  • SSDEEP

    196608:7K2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:7DY6tiP3myRfzepXe4ny8gxzj

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\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.exe
    "C:\Users\Admin\AppData\Local\Temp\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4516
    • C:\Users\Admin\AppData\Local\Temp\is-BLK6O.tmp\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BLK6O.tmp\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.tmp" /SL5="$8021C,6991381,54272,C:\Users\Admin\AppData\Local\Temp\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3660
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4468
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:664
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4928

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        241KB

        MD5

        4f7f134b392a2f187629076abb258d3d

        SHA1

        a62f073d3a3e219ae508ecaa4e95dbfb42015598

        SHA256

        f53b05c5ccbd80a1cf401a8b9f1db2fc08f5aedc2227538cf43c12188f327cec

        SHA512

        49afd9d33fa602d10db73d96e67d07391c2c6a8d94d8574f08bf5a2bac9dd6b275d0c18e1daebdfe519545ea03a096f1d7edfc6d2c44a549dc350e2cd44aace6

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

        Filesize

        347KB

        MD5

        63be58a95663d265f93380fba6762f23

        SHA1

        c089d4b14330b818a329c7d887d709bca6ed6042

        SHA256

        5f6e1de5ed0053deee86d01e1cf3bddc31fb5a343c1dc93d0c8bcb9142577afa

        SHA512

        f81c53ddb75af5be226c76cde01646494fc8016e7a6b46403a5e15d108c3d1eb24b0ed23e7dee8dd3c6ed7dbc3c3fd4d1e5833b9a91fe311dc1378cbac95abd0

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

        Filesize

        110KB

        MD5

        ab41ee8c6b0dac396888b979cb31c713

        SHA1

        2ae9b79140e6b5606e44ab6f7b312ffa477877b2

        SHA256

        ed0f4061b1c9cc8b0eb7656c2f6ad6379c62aceca198a3812498b57b6319c9df

        SHA512

        a5df80f04a34daf5077a21483b608c81111418136b4a2cda6754a1c247cc85c72ce6d800bfe9f2d6f67f6113318ef2dc8f355736b2b015472c09b459cd689abd

      • C:\Users\Admin\AppData\Local\Temp\is-BLK6O.tmp\048770b811d2ca7dc2853a56ce9e3dbebfaaa9bc6d2a66680e02fd625e167dd6.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-OCGHV.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-OCGHV.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/664-161-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-207-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-204-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-200-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-197-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-194-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-158-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-191-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-188-0x00000000007E0000-0x0000000000882000-memory.dmp

        Filesize

        648KB

      • memory/664-187-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-184-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-165-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-178-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-169-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-172-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-175-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/664-179-0x00000000007E0000-0x0000000000882000-memory.dmp

        Filesize

        648KB

      • memory/772-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/772-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/772-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4468-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4468-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4468-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4468-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4516-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4516-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4516-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB