Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2023 16:55

General

  • Target

    ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.exe

  • Size

    6.9MB

  • MD5

    55a59b380e398bfa6572c918c8768352

  • SHA1

    ca2f3cc07f8a58680f18db6caa601e3f809d9782

  • SHA256

    ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064

  • SHA512

    95947180d5beeae7bef665bde3ed518adcf0424a4a7ea147d8bb04630f10f1f5e96b833c98a282fddc736069fa421995ba719ea66c793fb7e711d3c9c492da26

  • SSDEEP

    196608:MxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:ENztzQlcDPXus98d9Jzj

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\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.exe
    "C:\Users\Admin\AppData\Local\Temp\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\is-IASCF.tmp\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IASCF.tmp\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.tmp" /SL5="$501E8,7025884,54272,C:\Users\Admin\AppData\Local\Temp\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1476
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:924
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2032
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:596
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1424

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        662c13c974d2c7c8e63299f832eb3ee7

        SHA1

        0158cccd40c619c7bc8d51d146352c790d672fa9

        SHA256

        1c41159c05ee8c6c98bf39d84f07d140dd2c0a55a07a260d6731e59d0d665d58

        SHA512

        808ef6ffd223b790733a7551d996465f1f973e558ad13b3b7141a83a2bcdbd40191fc45dc2010dcbca855d2e89e939c67cc0376e2005e44f3a1465f0332de792

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

        Filesize

        856KB

        MD5

        c227cb1bbb3d3457d3c5a323f2cfd66e

        SHA1

        6fb178a7b1eada9bff3db9b109b0ea7ee918f262

        SHA256

        d2e98929f84d85462c6dab8e0f5796941f47e62c336708824e26c50ad2c29536

        SHA512

        21d00fd0660355beef91ae1f724872b78eb263a5c87fd2b927fb3291e1f14d605b1408c60df7af70c06c81cdf09e617105094282bbcb072f4d0ac8bdf5808d2d

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

        Filesize

        1.0MB

        MD5

        f2d11ca51886160bba84e4027c31e88d

        SHA1

        af05b6d5e27a420134176482265ed2d8986c650a

        SHA256

        e324c92afe6254861da181ea09b88f99de7e34c8d80a090fb41dc028b30fd802

        SHA512

        c58a432e1db33a047ee040c2344c3cc26dc7c339377a8709da83384ac22c5bd8521cd9e07cdc19e5250940064d054bf97be2bf2e40a0bff898ffd8e026db2a85

      • C:\Users\Admin\AppData\Local\Temp\is-IASCF.tmp\ad4b161e1c2dd0e728682e8c99bbe413eb3bfd4112fc8b76776c2cf4da576064.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-GNCK3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-GNCK3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/924-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/924-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/924-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/924-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/924-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-179-0x0000000000770000-0x0000000000812000-memory.dmp

        Filesize

        648KB

      • memory/2032-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-183-0x0000000000770000-0x0000000000812000-memory.dmp

        Filesize

        648KB

      • memory/2032-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2032-190-0x0000000000770000-0x0000000000812000-memory.dmp

        Filesize

        648KB

      • memory/2032-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2688-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2688-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4596-11-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4596-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4596-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB