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Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 20:40

General

  • Target

    dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.exe

  • Size

    6.9MB

  • MD5

    61d6a4ceb1bca8cb55b2bf0a9af86cb1

  • SHA1

    96d157a43991925270a210316ddff0d9b61bc9f8

  • SHA256

    dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc

  • SHA512

    54ecde0f4a0ef2aeaf7a7876ee6c4a92efa31671ad8d195785379916209d1b1ede95c6899ca04aa683804ac67dfe9aaf1b5a48b0ec6581123ede6dbb222adca4

  • SSDEEP

    196608:bK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:bDY6tiP3myRfzepXe4ny8gxzj

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.exe
    "C:\Users\Admin\AppData\Local\Temp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\is-Q60B3.tmp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-Q60B3.tmp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.tmp" /SL5="$C0064,6991381,54272,C:\Users\Admin\AppData\Local\Temp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1304
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2376
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1868
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3040
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3056
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:4856
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3988

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.3MB

          MD5

          22eec0e422bb58a9726c0b8efb6f101d

          SHA1

          2fbeddac55fec40d7dee5fe3eddbaaaed34edbea

          SHA256

          4cd573da5efd1d060995e803077b47958632c84211df38559726694815d13b0f

          SHA512

          95eb04c259ed57bcb91504ded0ae684ae63331e8649e7417fe625fa2919e5be959cf483b69bacfc242569efdfb16db1223258f80a560d5f15cc395d3fa2efa8a

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

          Filesize

          1.0MB

          MD5

          0fb1bc48964d2f789c6206b071944862

          SHA1

          6aac02fa09a26e5c6814895e99bcfda0bdd5f934

          SHA256

          ab82eb51d864c58e851d0b149674be33068b213875dcea9651922aa6369a4872

          SHA512

          7e0e7a5af63bf35e917b60af7836ae7fbed7f8b2c364cfb093dc0b6cffb05282547cbd293c075f08e1ba4f1b9e959feead4b41a041dac073b49d2c5dbc37f528

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

          Filesize

          322KB

          MD5

          bbc8732933c810df1447d442e7378431

          SHA1

          68221df405cd2dbaf6fd9a88eeb23d9f464868d7

          SHA256

          45f39459face6399ee316ef71d0f4668d108d7ffd1f18fcd648cf9abfb6c5ea7

          SHA512

          ff241b3f9ca05f36ee18376324d95729d3d9fed891686d63e0b2dccf630b9dc09a36f1ab9c095c80323ad9c322c69abbc7b4f7d1bf88f4383808f79b192a34ed

        • C:\Users\Admin\AppData\Local\Temp\is-MQOI9.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-MQOI9.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • C:\Users\Admin\AppData\Local\Temp\is-Q60B3.tmp\dccbfd0597a6b7439a619ce22fd20f726045e62ff4fa9d041b024b1ca1e39cbc.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • memory/1868-202-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-209-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-158-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-199-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-196-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-193-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-206-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-181-0x0000000000990000-0x0000000000A32000-memory.dmp

          Filesize

          648KB

        • memory/1868-186-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-190-0x0000000000990000-0x0000000000A32000-memory.dmp

          Filesize

          648KB

        • memory/1868-189-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-162-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-159-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-166-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-167-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-170-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-173-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-176-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-179-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/1868-180-0x0000000000990000-0x0000000000A32000-memory.dmp

          Filesize

          648KB

        • memory/2376-151-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/2376-154-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/2376-155-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/2376-152-0x0000000000400000-0x000000000061C000-memory.dmp

          Filesize

          2.1MB

        • memory/3988-210-0x0000021344A70000-0x0000021344A80000-memory.dmp

          Filesize

          64KB

        • memory/4208-163-0x0000000002230000-0x0000000002231000-memory.dmp

          Filesize

          4KB

        • memory/4208-161-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4208-7-0x0000000002230000-0x0000000002231000-memory.dmp

          Filesize

          4KB

        • memory/4544-160-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4544-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4544-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB