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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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, 16:20

General

  • Target

    dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.exe

  • Size

    6.9MB

  • MD5

    b121253a904307e56c5821e04d6119cb

  • SHA1

    c075d9e1dd27cadc9696e76284859509fe9bacf6

  • SHA256

    dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5

  • SHA512

    da8b5c87fc186f71617c61ba8c33a1101439b9dde7db239ba9576439c70b994f897372ae87b221285277e4e7b9dc7621acfaedbf53cf92cb4867ff837af5720f

  • SSDEEP

    196608:7Rjdxc1gN5pg/uVqocXn6P1OX0HaN2mgA1Uf3FEjzj:Nx8gDpg/uVMXW1OE6UJA1jzj

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\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.exe
    "C:\Users\Admin\AppData\Local\Temp\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\is-IC55O.tmp\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IC55O.tmp\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.tmp" /SL5="$10003A,6959093,54272,C:\Users\Admin\AppData\Local\Temp\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1816
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1480
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3096
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3084
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2512

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        a5953b22550eb3dff9c998055e357921

        SHA1

        077ebecb1bd41073fa89a1b74ced8febdb3b492e

        SHA256

        8e1a022b73d6d8ae502930cf73ada4aae0c48347f38c2a2a780829f3d71932d6

        SHA512

        4072d33516f873d528ba6fe3f7b4c27968cc11d49c184cd0e7c7423df675f0e46ea7325988f27cb4840917a8a5aabd19ba403462cfb25afe897f0918ad0cbaa7

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

        Filesize

        99KB

        MD5

        3e15dfabbd72e621d3c20bdede42cdc2

        SHA1

        9529efe66d814d04bf90747b79ccde840bb423e3

        SHA256

        1b1e0df0c42ae6ea7626e25c5f39bdf02d6bf082a8d87cf336b6c9b15638ed30

        SHA512

        363ca64e65dadd060abe2280bad3c87c4fc978f4202a0f5463b4acfb3ef071ae4026c8c8d169c5a1d268527d7436375c13c38505b833b961a92967793fc76820

      • C:\Users\Admin\AppData\Local\Temp\is-8EM3B.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-8EM3B.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-IC55O.tmp\dca6e8bd28f4c6a31a4bcae19fe326d89849b8ed3991e7ee022371aaaf0339a5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1204-162-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/1204-7-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/1204-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1480-152-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/1480-155-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/1480-154-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/1480-151-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/2748-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2748-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2748-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3096-175-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-184-0x00000000007D0000-0x0000000000875000-memory.dmp

        Filesize

        660KB

      • memory/3096-165-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-166-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-169-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-172-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-158-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-178-0x00000000007D0000-0x0000000000875000-memory.dmp

        Filesize

        660KB

      • memory/3096-179-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-161-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-187-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-190-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-191-0x00000000007D0000-0x0000000000875000-memory.dmp

        Filesize

        660KB

      • memory/3096-194-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-197-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-200-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-212-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-215-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB

      • memory/3096-218-0x0000000000400000-0x000000000061A000-memory.dmp

        Filesize

        2.1MB