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Analysis

  • max time kernel
    143s
  • max time network
    137s
  • 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, 02:42

General

  • Target

    ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.exe

  • Size

    6.9MB

  • MD5

    fbc3212c71668538dd9416977c986f9d

  • SHA1

    e2a5528ba39679b76637d75457a84dff76f98bc8

  • SHA256

    ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00

  • SHA512

    1147596bc13f24e0c44b8977d518786254f6d8d874603a80e9964be55c2eb98919f61dcbce6356c09d85fea1cfa8a4db661c7f281eea982fff63cb596b7e9f83

  • SSDEEP

    196608:GSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:GSjumV+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\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.exe
    "C:\Users\Admin\AppData\Local\Temp\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\is-MSBM9.tmp\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MSBM9.tmp\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.tmp" /SL5="$901E2,6998999,54272,C:\Users\Admin\AppData\Local\Temp\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4396
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4204
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:64
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4380
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4540
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        556KB

        MD5

        c2e729792d3d891eee6a417bd65e96fe

        SHA1

        89bdb32056bde2326f9be4b3e62c67669b137ec5

        SHA256

        ee57942f0a975643e11df5488c8261eb5e9819ac32b1aeebaa63aec358d64299

        SHA512

        ff519d2341b3021fed138d0b2a814a3726ec6c079776979293c69469e742522b01a253b041aef7c711c9148668138aa77ae7b50c947e177da8f74eef6f3055f4

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

        Filesize

        525KB

        MD5

        b6e448d79b7ec2ad0b5af08abbcb1353

        SHA1

        1cfd668b871b5bd783427572a29a81dd11d8c88a

        SHA256

        1b3351b06335cc7aad06a4a293c06266416b735fdcd34b0f7bd20e9969ce9c1b

        SHA512

        d20bfbbe83aba7ebc9f85a2b673e2880f99eeafd158c1f77f0ec633f3c83257bf3fad3ed22ffcf07fc6f19efc34257b3ab4d9c9453021c99760eafd0d5d61179

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

        Filesize

        144KB

        MD5

        1f9511f6d5e47f8aeb36a774554de59f

        SHA1

        b0106c9681ae738b8a6dee43ea222566a36693d7

        SHA256

        d57708f41c524a24acade1b44a1abeff54207809ea2251bbc53341490de84c28

        SHA512

        563ecf67d4e54ebf5c4d223e3735d24e41ab7954fa99fc2768d8d82ea0cc4ec7c66db88f593fce763862a784316997fb8f8820447f6648f3a160067d5681277d

      • C:\Users\Admin\AppData\Local\Temp\is-MSBM9.tmp\ebb7592cd5781cf068aa2a7da9066b028f4e917d34c642416b9e610b4b42cd00.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-2NC19.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-2NC19.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/64-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/64-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/64-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/64-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3508-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3508-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3508-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4380-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-179-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4380-183-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4380-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-190-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4380-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4396-10-0x00000000020B0000-0x00000000020B1000-memory.dmp

        Filesize

        4KB

      • memory/4396-163-0x00000000020B0000-0x00000000020B1000-memory.dmp

        Filesize

        4KB

      • memory/4396-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB