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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 19:30

General

  • Target

    2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.exe

  • Size

    6.9MB

  • MD5

    fe2fb9bbce07b9d655dc431964267f25

  • SHA1

    7c85b0f139e6744a8eb7fa4da8b958a4ca10cc96

  • SHA256

    2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768

  • SHA512

    9857a96cdaec61547f5312ae9d77d695d04fda2053475854032c900e3354ca4d5568c73fb96b25d0ccc40de616461ce19c28336742c4699584736de5fc058382

  • 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\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.exe
    "C:\Users\Admin\AppData\Local\Temp\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Users\Admin\AppData\Local\Temp\is-08TBI.tmp\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-08TBI.tmp\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.tmp" /SL5="$C004C,6998999,54272,C:\Users\Admin\AppData\Local\Temp\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4136
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2632
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:416
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2596
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:984

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        c7ddf2c9079225b2d803c525253d6f9d

        SHA1

        44762c2e00ff616d64255e602181496653af576e

        SHA256

        0cbeccf671636b2d08f429ed0ddf25df634df92e04694ad884ff442e032248de

        SHA512

        40854d99dd301a6885e49c9d8dbba517c095a4e131e4a0c96c289bc163a6b26f5e1123beb5c88f10c2b062dc83d52bd0bf40e2146fd6b5f2edce0881cea8546c

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

        Filesize

        1.1MB

        MD5

        592708a10d459599aafbaddec1adba5c

        SHA1

        bdd9e95c319088129e19b21268f559d8a1751705

        SHA256

        daaad1803923069a28626dfeda5f0efbc4a83197a24305c9b17f62be07b75b4e

        SHA512

        d928313dbf202f413c23d720d61cf6ed1e825c81c63ea38477c18543ae96883c683a663e324807cc4b04ab82b1f7dfc33f411e9a442e134b7c89c71bee35d246

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

        Filesize

        610KB

        MD5

        7d7378209abc61b6f12d44c90c874bd3

        SHA1

        cb6030f8c13adb1c0d77ffc8f504ebe6f466d909

        SHA256

        c370b29102691d64aa329055a5d670d7fb78f8cbd47c2ddc8dcfed1f3f17ed5d

        SHA512

        1127fc19437c9f7139eb1598f8159bbc1663ca1dd6c8b75ec1cfaf1edcc7a1e70ed0d3f50cf55ba9aa0f6083e3da45121cd2f691320624d30d6efb3a87b56284

      • C:\Users\Admin\AppData\Local\Temp\is-08TBI.tmp\2b34f9d7cbfea987226d06253884da56913f3081012bfdb2f5947b8c05f31768.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-8125J.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-8125J.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/984-178-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-200-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-191-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-188-0x00000000008C0000-0x0000000000961000-memory.dmp

        Filesize

        644KB

      • memory/984-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-184-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/984-179-0x00000000008C0000-0x0000000000961000-memory.dmp

        Filesize

        644KB

      • memory/2632-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2632-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2632-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2632-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3960-7-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3960-162-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3960-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4356-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4356-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4356-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB