Analysis

  • max time kernel
    142s
  • max time network
    126s
  • 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, 23:23

General

  • Target

    ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.exe

  • Size

    6.9MB

  • MD5

    21dd48fd8dfd63d570bf8df5d1d3a66c

  • SHA1

    55a047ce475f9c097c767c4645e24b71be145673

  • SHA256

    ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893

  • SHA512

    48f4aa1b46f3b700408ddbc7eed4d0633b9625ed34d72fdb5511ac5fa6bdfafccf141c4f4aeb877a7d675c9bc65ed4a982890ccd0fb3f0aa9c30e2dfc6f655e6

  • SSDEEP

    196608:nK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:nDY6tiP3myRfzepXe4ny8gxzj

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\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.exe
    "C:\Users\Admin\AppData\Local\Temp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\is-OEKDD.tmp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OEKDD.tmp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.tmp" /SL5="$50066,6991381,54272,C:\Users\Admin\AppData\Local\Temp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2504
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3520
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3228
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:396
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1392

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        904KB

        MD5

        d9c7e867e1e7fcf86903b0dd40750124

        SHA1

        0d61d13bf63be60d0125beca78132f05cf03f06d

        SHA256

        04990f9dd4e6f2ec3157e334acc31ac34a5c0fe40e52c6a8b82d86fec0790099

        SHA512

        09285d2651467b2453fd34c56c268d06564d8ece8c863d5f9b6e57f977be307c8cd45c6cc0556ace87c895b93501d492ce9616ed5e807b2a7e5a9cfd3f346599

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

        Filesize

        668KB

        MD5

        53e24be1bfcd7ee1bdf4e03ae18b10a3

        SHA1

        116484686cd73d887e3b94ff07822f85d52d0515

        SHA256

        bc13e78342e2f33b5f56a08840187c62011efde8e92226db2c440b4ac72b2ea5

        SHA512

        0c76c336b552d3e939c43f2504d59790ae0e9940258335d55acc83d5da1a4d166ad3edd5e9255949a5f707587f372a0e7d75fb19e1f535cddceef64add423a58

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

        Filesize

        653KB

        MD5

        34977e17f391091e1aa461039a62c0f1

        SHA1

        06f9c7459cc4bb9f364010ead5a2465d0107fdab

        SHA256

        eb14ffaa28853226b5a2fb528a998cefc2887b319496462d33925aa293197489

        SHA512

        3fcbc365b1d8eb3677d6e62478e7a872b4eb5eacd417334bcf9906e0a9d479bfd380244ce3901d974b55892fd9a55f9e02ed565e015f867fa07ed1eb0af827c8

      • C:\Users\Admin\AppData\Local\Temp\is-61COQ.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-61COQ.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-OEKDD.tmp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.tmp

        Filesize

        382KB

        MD5

        3396d7fee3f24573b74b26b347a75cc2

        SHA1

        182c310b7331bf05bd7e2c4501d45cc31217575a

        SHA256

        096e0e259af4c02166ba6f4967a931b582ce4c16e76de52921c5303cb0266d3a

        SHA512

        1e28ced4948de5d97d6a0ce0274bdd870743c09e754d84d4da0a1b14ba800fdd0a121618dabb1773e49f088e5f6796433055b80944ea2a9e865e4c69de57afab

      • C:\Users\Admin\AppData\Local\Temp\is-OEKDD.tmp\ed8c1750f1fc63c7c993251ec77d584fc1de5046384b9162f76b6500cdc18893.tmp

        Filesize

        300KB

        MD5

        151dd19f7716f1d630462e35565fcf8d

        SHA1

        4cb01c7a753ecf71eed38cd71a54051885b2e172

        SHA256

        6b79892e602340248e194551a9f7b8064b2dda86d75f5af21deb32a6f01c39df

        SHA512

        996748de4605c3b3824464377c7274511859cb30054bf4f5bca44684e0f22aa6dd24f530b2103a9dbf36e686331cf7113a3310264838ebbaa94f1f872dbe494f

      • memory/2908-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2908-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2908-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3228-159-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-158-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-203-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-193-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-199-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-209-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-162-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-196-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-206-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-167-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-170-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-173-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-176-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-180-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-179-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/3228-183-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/3228-186-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-189-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3228-190-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/3520-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3520-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3520-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-163-0x0000000000670000-0x0000000000671000-memory.dmp

        Filesize

        4KB

      • memory/4752-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4752-7-0x0000000000670000-0x0000000000671000-memory.dmp

        Filesize

        4KB