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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, 21:53

General

  • Target

    c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.exe

  • Size

    6.9MB

  • MD5

    c98fb48edf3d379389fd12aeb3cdcf24

  • SHA1

    aafb4d1afb8d567822e4d78a42ea9031ef6ab28c

  • SHA256

    c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915

  • SHA512

    f49ddc55d6f822482dc2e5dc117b8f61f88872a9aabfc076abe8e5eedf3316c72408f72f314be2673e6afbcc329f6dec45c711cb9a6bab37f2cfbd6931be0c5d

  • SSDEEP

    98304:V+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:oz25G6bV1yYDuZxCWQNhUU2uNzj

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\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.exe
    "C:\Users\Admin\AppData\Local\Temp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\is-5TN37.tmp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5TN37.tmp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.tmp" /SL5="$C0068,6985375,54272,C:\Users\Admin\AppData\Local\Temp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3420
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1260
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4452
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4484
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3472
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1052

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        960KB

        MD5

        27e042a7d6fbe962c330400f1223a954

        SHA1

        b6f0a6675289e2f586cf9ccd1cbe54a0c1b005ca

        SHA256

        2f430158dad6a1b4522f47fce2ed29dcb8e292bc703270c89c28d7ed36b5a339

        SHA512

        752fc200506cb125b77b1281acf973e07c664fd0ab9c3125a316713a705606abc94f00d3748f4023ed5dc84fe0709b332b876bb9ef3913c0963c591b4f9841fd

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

        Filesize

        639KB

        MD5

        fa8eb0bcb57425743ed6e401d31a26c7

        SHA1

        712d67978aa773dbc674d790793600e88db1cfaf

        SHA256

        cc607b7f52824f3625ebcf112b02744fd8a4fee248f8f87db132acf264a0f754

        SHA512

        2b04fe808bfc86a27c20327b8db663ab83756c2044e7b33b4be966e6e0a1eb4633e3ba97ad25cd90310616b9d96e862eb0dbcddbaf4bc58b41167d7d53ab17a3

      • C:\Users\Admin\AppData\Local\Temp\is-5TN37.tmp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.tmp

        Filesize

        641KB

        MD5

        dc9b384964b34dbb24aa9bd2ffc61b68

        SHA1

        55a34116ae18cb82fca08737616223aa2ee6753a

        SHA256

        029675d063ff9bd1b44f5ed29034cceef61e7b4af920bdbf6bb127f508c74f26

        SHA512

        485cfbfe985eb7194aed8e32217407c8f045ff0efe9052e2ab05f415617ef0a7689d8f75b1f532e93518dd349144cc047c7420eaf11f9127623b5b93254a7922

      • C:\Users\Admin\AppData\Local\Temp\is-5TN37.tmp\c372f0910fc96f48d28ec6c2ac6aac59e699035c29fd053d8832882a39128915.tmp

        Filesize

        82KB

        MD5

        93a6355b8c0e97c20468a93d148e8505

        SHA1

        17d23f73029a7241a4bc01e4eae2449b69393d24

        SHA256

        ad830c088766a34c1c07c30b44671510a21282fa94ddb2260b058022558a02d6

        SHA512

        464dce8a3a45a8a492bbcb9c3f291c6baeb8a76bb38ce04dd3044bed10adf2593e8df32520a31da75edbe0f056b59df0ac82280d6631f0146e6df2c60f55607e

      • C:\Users\Admin\AppData\Local\Temp\is-G57LR.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-G57LR.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1932-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1932-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1932-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3420-10-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/3420-162-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/3420-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4452-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4452-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4452-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-184-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-179-0x0000000000820000-0x00000000008C1000-memory.dmp

        Filesize

        644KB

      • memory/4484-178-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-188-0x0000000000820000-0x00000000008C1000-memory.dmp

        Filesize

        644KB

      • memory/4484-191-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-200-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4484-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB