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Analysis

  • max time kernel
    143s
  • max time network
    140s
  • 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, 01:48

General

  • Target

    05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.exe

  • Size

    6.9MB

  • MD5

    d396f768ce627abafd95bb91ab526390

  • SHA1

    477a7f3eb585c356496208772efcf3be5293ceb5

  • SHA256

    05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1

  • SHA512

    2841ec663ff712c9ca3baedd9f1048e62178e61a1fb7712d0fb914ccad135abc3876de7dcc27efa39665179e646ffcbb4af38db974b3b3b53f95a56123b61a1a

  • SSDEEP

    196608:YK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:YDY6tiP3myRfzepXe4ny8gxzj

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\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.exe
    "C:\Users\Admin\AppData\Local\Temp\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\is-PFJKJ.tmp\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PFJKJ.tmp\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.tmp" /SL5="$6020A,6991381,54272,C:\Users\Admin\AppData\Local\Temp\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4696
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4408
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4296
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4876
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:428
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:2232

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.3MB

        MD5

        27db80ef3cdf778adf5e34191b394e48

        SHA1

        d42cd55c4cb5cfe370a5031d7ad31b68e161f80a

        SHA256

        6cb0cf0e354530a0ef0704d4a87ed01b8c191bdceb4e37997c4d0e771c6c25b6

        SHA512

        0de11a29db8638eebafe10c1a1f1de794114180e8f8ab87836e4464f3c73c911eb8e4471a9f075b1e183b5baf17f293f948a06dbb073baea3a470f773251f606

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

        Filesize

        2.1MB

        MD5

        bb0124f16d88c4ec1fcfd9e524a5b921

        SHA1

        5017dc7277dbc5bb0b6f8428e4ff72603e3a370b

        SHA256

        59495c6e79c301f767f3d336050fb9927826f0ae972d634d395f5b44d7280a09

        SHA512

        4be3e838fb41cd4d01a12b639cdcb93df94deec0debd2593c53bbfe977daf5bcb9e3f97f6c47d33e76aea12ae2f9224f27652dfb5b5a69f53d201184766fff91

      • C:\Users\Admin\AppData\Local\Temp\is-PFJKJ.tmp\05a97fc02cc3d7300d3d0d3ef2f3e1f1aac46343207f84f844f679ed4c19fbe1.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-72C01.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-72C01.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2792-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2792-158-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4296-149-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4296-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4296-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4296-153-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4696-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4696-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4696-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4876-164-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-181-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/4876-157-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-165-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-168-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-171-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-174-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-178-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/4876-177-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-160-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-184-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-187-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-188-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/4876-191-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-194-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-197-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-200-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-203-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-207-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB