Analysis

  • max time kernel
    142s
  • 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
    10-12-2023 16:32

General

  • Target

    658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.exe

  • Size

    6.9MB

  • MD5

    0f59b4316037b1d6e4de4611f8ccdcdf

  • SHA1

    37a177fc7cb5beea411a909621be82d9dcaf3126

  • SHA256

    658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5

  • SHA512

    3df11fe8cab442dffa936b49711476ebced3880bf2af2eaabfdcdbe65dfd7c99c546fd3a28046f7f6104f4c7f19aac71ba0d21f84514067d26b22ab69f4407fa

  • SSDEEP

    196608:hxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:3NztzQlcDPXus98d9Jzj

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\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.exe
    "C:\Users\Admin\AppData\Local\Temp\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\is-74PM8.tmp\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-74PM8.tmp\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.tmp" /SL5="$8014C,7025884,54272,C:\Users\Admin\AppData\Local\Temp\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:820
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1916
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3840
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2796
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1260
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1840

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        740KB

        MD5

        a1280f68626944486b081050b168604b

        SHA1

        3e9836e27a62e82e8d262ea169d4f8903d6ec72d

        SHA256

        87efe73aa2932fee4ea554254e800604e276272cede314f9f7849f589c298d60

        SHA512

        a4ff47770e2a92f138a375d038f2d9be831bbcc52d057caa93089f76fdfbd1dd704038765ae0fc35300f7c2a0866d128bb9377609f0c9072d20671d00346e9c8

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

        Filesize

        1.2MB

        MD5

        392958053933d5d388d16d80249c7b7d

        SHA1

        33ba5e1013f5f337599fef76e599676474d9e304

        SHA256

        ad3154b2fb95b3b911bb627a8e98af5a084e9ba0c642b3048ac4eec379850a27

        SHA512

        ede82c58e401c691cdf0d431a80873b96e80d1fc098ba5f936aaf72e87096840f05d028545860df83a6adcc621b4df277c8959141e0265b552c9530de850a716

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

        Filesize

        254KB

        MD5

        eae7354a8a153065ee95b5d6bba37441

        SHA1

        dd80ee4697c10aabd6fe4d9113a5b8060de5788b

        SHA256

        a3c6dcfbff09f1c703fbfa909b8bc1e523b1168a3a920eda6a03d634912ef80b

        SHA512

        1d909870d342d2d088d430fef46e91cf0bb2255f95d9b774e16398ddd5eee7e0dafe2c902e4e90037dba308c00312c60ab8da4593cbfbee3fbdd1f58c3de5f6f

      • C:\Users\Admin\AppData\Local\Temp\is-74PM8.tmp\658b6fcdcc3f26fdad4a28c8e2d0fb23432c99a092839f0c023f447736ea99e5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-IVQ18.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-IVQ18.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/820-12-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/820-162-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/820-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2700-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2700-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2796-179-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/2796-188-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/2796-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-178-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-200-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-184-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-191-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2796-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3840-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3840-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3840-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3840-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB