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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • 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, 19:22

General

  • Target

    3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.exe

  • Size

    6.9MB

  • MD5

    5ab2ee792a12a373357b34f84d3591b2

  • SHA1

    a91a5fa682a58e80d0443e698cdc12a62d647e0f

  • SHA256

    3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a

  • SHA512

    d59921291bc7f19a3210645499f1bd5326eeaa46b878236e57819af8868d1d2b59987a23468b90d1d9dcbd6e4a1ac23ef1170dadb1fef4360da9d4b835e7d882

  • SSDEEP

    196608:LSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:LSjumV+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\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.exe
    "C:\Users\Admin\AppData\Local\Temp\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\is-IT8R9.tmp\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IT8R9.tmp\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.tmp" /SL5="$7017A,6998999,54272,C:\Users\Admin\AppData\Local\Temp\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4712
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3776
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4972
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1468
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4120
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        437KB

        MD5

        54db79f7553199049a7c3cd21c880ef7

        SHA1

        dfbe8663f9478462f4d38c20b8da5b419946a86e

        SHA256

        d9694f5a00a47104127121e1a53f3fa36c2448120b54c7ad922233298b3538a2

        SHA512

        159d32f19cf930e3e238c771de1ee91df6036c6c9a032a9e9b3668faa4d97558388959555ee7ed8770b7c8cf2ffa7a321682cc646140326484d8be0ec1745ea8

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

        Filesize

        312KB

        MD5

        0bed1df5b8bcc116fb43ad997a498447

        SHA1

        cebf689f953948e9fbf860a5fa5123ba961a425a

        SHA256

        7e348a52484e374699e5c9f79d11fc811397f720c4a5dafd2bc6cbbcc1d1dbe5

        SHA512

        c8123721ea0012cd4bfa0f69a6cdd0fdbde39dd24e7c89a2345eae18e6e2fdd1e8544e90a00981afa74e5697b47e877c39c5a83dc8f27a171a9ddd511136ce73

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

        Filesize

        158KB

        MD5

        559007d81dfa877881b3ab931122f848

        SHA1

        1f5f75be3a8cd37ba3af4814d842c62c542895fe

        SHA256

        92b20e7832d9b9f2ab014a488a828f0b020d31af20c57ee41589d4d0cf773902

        SHA512

        d4ab788b34b49d76e1aa720cba587a30c44b82b684796d33c66bf5b72d6530f3e3f5070e14eb479b5a2f8adad7e4cd4cab371e13e21503116649b27fb809faa9

      • C:\Users\Admin\AppData\Local\Temp\is-0G16N.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-0G16N.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-IT8R9.tmp\3d856e31221c85004360d8622560f10d54bc11d1818928e17a4a39fa600f487a.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1468-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-190-0x00000000008D0000-0x0000000000971000-memory.dmp

        Filesize

        644KB

      • memory/1468-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-183-0x00000000008D0000-0x0000000000971000-memory.dmp

        Filesize

        644KB

      • memory/1468-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1468-179-0x00000000008D0000-0x0000000000971000-memory.dmp

        Filesize

        644KB

      • memory/1468-182-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1728-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1728-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1728-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4712-163-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/4712-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4712-12-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/4972-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4972-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4972-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4972-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB