Analysis

  • max time kernel
    122s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2023 19:28

General

  • Target

    4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.exe

  • Size

    6.9MB

  • MD5

    8ead51ea92773acdf642999dd1ac0ce3

  • SHA1

    b99ff7637795a7749a6b29d606f530e040a2b31d

  • SHA256

    4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e

  • SHA512

    d313f9ee81216a933383aeeb1b4fa292a2dd39610ef1edda96e3169d9266cde77896bb23e7eb7c634112a736576d36002770ba0fcaffbcb5b0188ab6bc2c5ebf

  • SSDEEP

    196608:HSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:HSjumV+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\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.exe
    "C:\Users\Admin\AppData\Local\Temp\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\is-67KE7.tmp\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-67KE7.tmp\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.tmp" /SL5="$50236,6998999,54272,C:\Users\Admin\AppData\Local\Temp\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:532
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2692
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1820
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4208
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2308
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4292

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        896KB

        MD5

        db483259b83a074907f07c5bb0005c13

        SHA1

        25bd98276d8733c0719a16ffd6e1229e26c06116

        SHA256

        32d193082bf10bc02bc508b74c6cf4d33432f442c65dea5ca670e7083ef3d725

        SHA512

        83ba8935c77b81e97e387908ac46a4491ac9f51532d34f9d97f5e3f2011360618f85254f813a9a6cf235011996d4bba7164f001b4cfa85a5d29b647f148088cf

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

        Filesize

        226KB

        MD5

        ad20e362ecf268f0201f1876bf650f34

        SHA1

        3cdf43fa0eddae37f7bd8efcb2dba79831013474

        SHA256

        c1d9674d749f4b73b13620082494eccc3735a2897fb78994671b63c79e1c0412

        SHA512

        8ecc2b4c0b2acdb8922644e924a22e70d0a4354891795b35a1fd4ba44f2598bb0ae56e8f8adbfdc1bd0a440a274d27474a8339c3d66516ec6cd79a7615b1025f

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

        Filesize

        477KB

        MD5

        8233ca8e12ffed8f4257497152e67d75

        SHA1

        587d89e2ba2033309acffa57ec0a08943bd802ab

        SHA256

        bee294b7dfc4d013bbe066879acee64539535fa82af6f83ca4e2ad661afcaf23

        SHA512

        b205363ccec68a293c058f4a1a4725b382e90dfe19b7b29afe934cffebe999611964a02e51472c8d8a87e3a2f8a95bd8516305ba3f22ab26e6fa1da9ccb240a9

      • C:\Users\Admin\AppData\Local\Temp\is-67KE7.tmp\4701018d28892859be64bdffd4daaef85aed7ac37794d5b8ce7fb65253a87b6e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-JM4HK.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-JM4HK.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/532-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/532-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/532-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1820-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1820-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1820-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1820-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-181-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-178-0x0000000000850000-0x00000000008F1000-memory.dmp

        Filesize

        644KB

      • memory/4208-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-182-0x0000000000850000-0x00000000008F1000-memory.dmp

        Filesize

        644KB

      • memory/4208-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-189-0x0000000000850000-0x00000000008F1000-memory.dmp

        Filesize

        644KB

      • memory/4208-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4208-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4612-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4612-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB