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Analysis

  • max time kernel
    145s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 22:09

General

  • Target

    54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.exe

  • Size

    6.9MB

  • MD5

    9c3be09c8745e7d241a13abc47fe4297

  • SHA1

    6ab8f9870995211467ebb05f1990f6491add5a98

  • SHA256

    54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0

  • SHA512

    534e98d61a365a8b1d4f08f26337b60135c3a7784908fc13d08ad12b535225449737224b778512ee9bafdec16a1ae523c7bcd49452c61625710be317d1f5f343

  • SSDEEP

    196608:CA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:KBmakyVnlUQ7Wz3Tv1jNTh0zj

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\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.exe
    "C:\Users\Admin\AppData\Local\Temp\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Users\Admin\AppData\Local\Temp\is-FL71B.tmp\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FL71B.tmp\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.tmp" /SL5="$7019A,6977575,54272,C:\Users\Admin\AppData\Local\Temp\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1728
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4876
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2252
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4480

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        e9f17707ac869859181f512cd26ce1c9

        SHA1

        da685cce3a07dc0fe302fd2953ef5d682d58ea90

        SHA256

        825adb4cb11c9cfc85c742fee59361140229f5c1319d4430ad4f24d9c1e76ee8

        SHA512

        3863a982e71e4fdb9af798f2c9c92768d1812b0277a00858e48fa7cbced9ae75c9bfe9946bbdf6179343f76cd0cf109793475d7682889492ce0073731ddc7270

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

        Filesize

        1.9MB

        MD5

        8a17304c5013cead33eac892170344b3

        SHA1

        e5ce495bf1085957ad8708d82ae8d52df3ded8f8

        SHA256

        d8ca2dd99e62eb93b76a75dce52e3f395646da506f471936cb2e41b79d9a1a9c

        SHA512

        ae8866e37402ed88951a0782b5afd5618728df856701049272bd3e88d31d434b5c4986f608c556eb7146d14cecd478c4186ddbbacf712d16d5899d59b53277c9

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

        Filesize

        1.8MB

        MD5

        ad795927a001462ce3da9289149be590

        SHA1

        adcd662973a01b93a20830b74058334df5b45a80

        SHA256

        20df70fee2f843b3402b4ddfdb0417a6be50f346d940f3894549f6e0c86032a3

        SHA512

        10aed606b442e95682306c9225d3a5553c99de7a4cb5eca64d4ab6b9f36740eb6d94343cc7bee018e57374cc2ebe645231f2c72df81648e8fd74d8a4a747b297

      • C:\Users\Admin\AppData\Local\Temp\is-FL71B.tmp\54a6db4f20dd1f24e84fa926e363de258b1ba892bb6de49cf463f99949bad8e0.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-O4VJH.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-O4VJH.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2252-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-190-0x0000000000750000-0x00000000007F2000-memory.dmp

        Filesize

        648KB

      • memory/2252-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-181-0x0000000000750000-0x00000000007F2000-memory.dmp

        Filesize

        648KB

      • memory/2252-180-0x0000000000750000-0x00000000007F2000-memory.dmp

        Filesize

        648KB

      • memory/2588-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2588-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2588-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4112-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4112-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4876-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4876-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB