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Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 04:36

General

  • Target

    772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.exe

  • Size

    6.9MB

  • MD5

    aa01024aabd47617814fe781cc38f6fb

  • SHA1

    e310aaba9743d68a14dc2399d7d6399a5c555719

  • SHA256

    772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd

  • SHA512

    0c1fc1b022206e802a6ef6220160ddda4bf59952e346a9722f564340bea670ad7beaa2c96aa18232293282191aae4a74e7ab9f06558d20563fb0532593b8cb84

  • SSDEEP

    196608:yA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:6BmakyVnlUQ7Wz3Tv1jNTh0zj

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\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.exe
    "C:\Users\Admin\AppData\Local\Temp\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\is-MLFBR.tmp\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MLFBR.tmp\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.tmp" /SL5="$4021E,6977575,54272,C:\Users\Admin\AppData\Local\Temp\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:600
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2620
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3144
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1464
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4312
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:5080

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2.1MB

        MD5

        e9f17707ac869859181f512cd26ce1c9

        SHA1

        da685cce3a07dc0fe302fd2953ef5d682d58ea90

        SHA256

        825adb4cb11c9cfc85c742fee59361140229f5c1319d4430ad4f24d9c1e76ee8

        SHA512

        3863a982e71e4fdb9af798f2c9c92768d1812b0277a00858e48fa7cbced9ae75c9bfe9946bbdf6179343f76cd0cf109793475d7682889492ce0073731ddc7270

      • C:\Users\Admin\AppData\Local\Temp\is-5OFGQ.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-5OFGQ.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-MLFBR.tmp\772f4ab6750c7938c453d2bbefbfbf1815cf2548f34b5d3c61669a5e357476bd.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/600-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/600-7-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/600-164-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/2376-23-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2376-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2376-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3144-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3144-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3144-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3144-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-182-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/5080-160-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-168-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-171-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-174-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-177-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-181-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/5080-163-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-190-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-191-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/5080-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-200-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5080-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB