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Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 23:01

General

  • Target

    3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.exe

  • Size

    6.9MB

  • MD5

    e268e633409a8df7971312637aa0d6fc

  • SHA1

    57aac6a8e6cb27a99367b1252cb44c939af1e50a

  • SHA256

    3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5

  • SHA512

    656b0a377d06f00cbd8a5c3b6075778bcb4d224e50b20190c6a32807ee671a761ce73d3e8366efb268075f7c97c52c8787fd5df8b6f706ef2d45730f6d5e27e5

  • SSDEEP

    196608:ESnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:ESjumV+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\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.exe
    "C:\Users\Admin\AppData\Local\Temp\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\is-ET6PF.tmp\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ET6PF.tmp\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.tmp" /SL5="$110092,6998999,54272,C:\Users\Admin\AppData\Local\Temp\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4116
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:936
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3876
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:316
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:436
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2608
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:2380
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
            PID:4416

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1.4MB

            MD5

            6ede5be974336e68b4240463f01f87e8

            SHA1

            c139264bd6d0fbd2618b8eb7e1a057dcc9c1a941

            SHA256

            aa3544ca2c99d0c42ae1a398c2b05481d35f50c461dcd303d19eee4f4fa40163

            SHA512

            e74313896787423d9b47fc63575eafa9224d7b1e48463514640448db2bebbd2e24573c0ad3b58278fdffb29c1016f87cf4548038d274500c8898b80f36b8bf55

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

            Filesize

            2.1MB

            MD5

            2415393d2f2fa86c044408d5132cf85b

            SHA1

            fff07515e83a6b54776dab3846e968040708e169

            SHA256

            823e49580058cc0fa454127299a9fa01a74781707deda9ac92d7be62637d6abc

            SHA512

            af9e3d93e650e0b301cd8ed838c56f091869c5468b0aaa262f6dbadc413901890362ba5d836cd406319403c35f50b35cd863c83318edb355cb294d53f0b95eaa

          • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

            Filesize

            16KB

            MD5

            fdac2b299f1e481957f340b93f3479d4

            SHA1

            7a454810d862b4c0e2fcc416000ce8ab61d63919

            SHA256

            a3570a16aee0df1c86ce874e3c5fba0a493983a4f9aa8f2d75fb8e9c991c8c70

            SHA512

            accc43bad301272656283494bbe948499c86b621204176bf924e36e09ec46293d5f0161ab099464793e069f972d823ee652ffe7e1af101c17391a74bf9423d43

          • C:\Users\Admin\AppData\Local\Temp\is-ET6PF.tmp\3c2dc841e461ded4a493c7bcacdb2bdacc17e5d6635a216a191c2cf70e6154b5.tmp

            Filesize

            687KB

            MD5

            f448d7f4b76e5c9c3a4eaff16a8b9b73

            SHA1

            31808f1ffa84c954376975b7cdb0007e6b762488

            SHA256

            7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

            SHA512

            f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

          • C:\Users\Admin\AppData\Local\Temp\is-RK34M.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\Temp\is-RK34M.tmp\_isetup\_isdecmp.dll

            Filesize

            19KB

            MD5

            3adaa386b671c2df3bae5b39dc093008

            SHA1

            067cf95fbdb922d81db58432c46930f86d23dded

            SHA256

            71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

            SHA512

            bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

          • memory/316-189-0x0000000000810000-0x00000000008B1000-memory.dmp

            Filesize

            644KB

          • memory/316-192-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-208-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-205-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-201-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-198-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-158-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-195-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-188-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-161-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-185-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-165-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-166-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-169-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-172-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-175-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-178-0x0000000000810000-0x00000000008B1000-memory.dmp

            Filesize

            644KB

          • memory/316-179-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/316-182-0x0000000000810000-0x00000000008B1000-memory.dmp

            Filesize

            644KB

          • memory/1532-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/1532-159-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/1532-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3876-154-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/3876-155-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/3876-152-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/3876-151-0x0000000000400000-0x000000000061B000-memory.dmp

            Filesize

            2.1MB

          • memory/4116-162-0x0000000000650000-0x0000000000651000-memory.dmp

            Filesize

            4KB

          • memory/4116-160-0x0000000000400000-0x00000000004BC000-memory.dmp

            Filesize

            752KB

          • memory/4116-7-0x0000000000650000-0x0000000000651000-memory.dmp

            Filesize

            4KB

          • memory/4416-209-0x0000028195E40000-0x0000028195E50000-memory.dmp

            Filesize

            64KB