Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 04:21

General

  • Target

    c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.exe

  • Size

    6.9MB

  • MD5

    3febf5a2e794480d8b66141e9e505aca

  • SHA1

    a512e3134cb1b71442dde4e3fff3351011e613af

  • SHA256

    c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050

  • SHA512

    c12e5ea6087563c43e8cf4c17b6d5abbfc2d743c6a6238810fa1ab39e676635f3d634978282b503f149d314c15101a2dc4892b154fd322410902ad5fe22b803c

  • SSDEEP

    196608:5Snj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:5SjumV+jHUodIjk5VzfE9Awzj

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\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.exe
    "C:\Users\Admin\AppData\Local\Temp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\is-1E86B.tmp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1E86B.tmp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.tmp" /SL5="$901C8,6998999,54272,C:\Users\Admin\AppData\Local\Temp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:660
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1584
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:812
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1192
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:4600

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        149KB

        MD5

        3dfd2d0b6924e2a3bd4f968376ddc098

        SHA1

        f8c8a995b48102cce14904f85e20a9ab6f9a6f33

        SHA256

        4d91e82b99c88f81669095b7e627e92a6491be1cfa59dd85bbdf767ec124cbde

        SHA512

        d2e1d229961e083d835567649792ef4eceaa86906e149282e777f01101771172f48ad1afae33a73bbec245b49147a8eaa5dc4d4e2e89555c3ae9c75a7844f23f

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

        Filesize

        210KB

        MD5

        841d46524551f3baf57c959b8363d27f

        SHA1

        f17a2ee11cce6064732fdca67b76c1be29e44a78

        SHA256

        d0e7c89660f8bc996bfde6af02328f7395c8e7f00cf3a8a6eba1e22a9581ec78

        SHA512

        0ab259153cf87c9d3d413d6a6b78785577ab3fcbfdd4fa333df82087792d129d247dfb563839118636917e90d30d4bcc3945bf48be723383111d801cd938307a

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

        Filesize

        57KB

        MD5

        319f9251036cdd0e794949612fe0d2e2

        SHA1

        20298f64186ead76c09e91b3a501887e303b9442

        SHA256

        91a29f8471b6074cebf719ff94b5c304e16d57190728e3aa4e0c85f307bc380a

        SHA512

        e912f0603639daa335982473197d6ee2e90fe54441a4f87f389eda77266a6d5150049f7d606de90ee837516d946d76cd1c9924908513c343a592fb39f44e5b2f

      • C:\Users\Admin\AppData\Local\Temp\is-1E86B.tmp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.tmp

        Filesize

        202KB

        MD5

        07ed1951afd639900f683bf611e33e5f

        SHA1

        68c66ee2743cd694163b2e074754c72d0280f14d

        SHA256

        7630c9a72c13b7233a97f14bffcaa74558cc6f675c7a871db63bee5be3f333ca

        SHA512

        c7807151e558303769bf480d5a6fa3a0d0fa0d4c7ff70bb19ba374b5bc3063e045d873c4ccb78150d27bee044b8cc6a5d48a622348ec32fafe61bdb47c27af60

      • C:\Users\Admin\AppData\Local\Temp\is-1E86B.tmp\c5ed75f4bf46b741e1d58458e75cc4c6de36ee4aea4503b2dcd1fd846657c050.tmp

        Filesize

        188KB

        MD5

        b85de96f730becf4d37a139e04a9c989

        SHA1

        3219f7e14f2b780a0971532047c2cd701b500362

        SHA256

        428985c20dc336d21c5f8515991a73b627686cf051a215ceb616c511fde891ed

        SHA512

        d44fc4f71a45dcdffae565c28f0daff02fa5eb2d63a43441a7954b98674215151b9d7293497acd96b3a74e24a868e8ee85cb79f27ca731143923efc7504ffb1b

      • \Users\Admin\AppData\Local\Temp\is-FOK9U.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-FOK9U.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/660-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/660-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/660-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/660-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1512-163-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/1512-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1512-10-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/1584-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-182-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-177-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/1584-183-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/1584-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-190-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/1584-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1584-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4048-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4048-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4048-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB