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Analysis

  • max time kernel
    142s
  • max time network
    149s
  • 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, 23:17

General

  • Target

    dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.exe

  • Size

    6.9MB

  • MD5

    f11f04fdc507b1bdbfbb62e454065900

  • SHA1

    a3d1d877e9f73fba4a9c171acfe0de6084e0e175

  • SHA256

    dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e

  • SHA512

    44c7222bd6b68ee49eb858cafb20b9024525cf1d96ceaeebd39fa0adf69b4e0c9e31ed056d9ed9e1eabb29239bfa34855c9b9b64062e048e8f1302e7e896a487

  • SSDEEP

    196608:zxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:5NztzQlcDPXus98d9Jzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.exe
    "C:\Users\Admin\AppData\Local\Temp\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Users\Admin\AppData\Local\Temp\is-O7OAR.tmp\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O7OAR.tmp\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.tmp" /SL5="$60054,7025884,54272,C:\Users\Admin\AppData\Local\Temp\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:5116
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4144
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4752
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2476

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        411KB

        MD5

        416b1d743dba2de507b4f40143a2efd0

        SHA1

        17ab3be844436756428b3493e7df84e1fedcec32

        SHA256

        8c6b118b234c1e7de5cdaefae91e5d98ad3dc5307387b951ec3400108479e9c8

        SHA512

        829df73eb0ed69c43cc54dcfb6a3e5bfb1276180af7e1754d2ae1e9a9b44662861dbb962da01beea07c61b61406d424adb6dc0498d881fdfa54a179cca80c125

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

        Filesize

        680KB

        MD5

        d12d93e3dcff78755ede9f98dd8b9177

        SHA1

        adc13fefd1080e55cddfbddd47866a89fc3a787e

        SHA256

        16d94128f4a6a294936483e3ff155ddf1fa702a66fcc08e3c4bb7899c3d46710

        SHA512

        bd2d94b1dd3260d3bcc436c561629f8074929fa5dab81a3dff164bdf9a9e28a3661154598d34c5d6403ed6de538b9e8d28f66876d3e63d8220c0a3ac5e870670

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

        Filesize

        276KB

        MD5

        51949dda1dadca400739f0286dcf0cdc

        SHA1

        8750e4bb4fe26b46d19e171f04634172899c20ba

        SHA256

        3e9094842fac70eaa8ce02ffcedd4dee48877bfee025ac068c64718791a0d0fe

        SHA512

        f9651944ad26ba006fa6001f5acfc03c374a362f147bba11609ec324d6d928a097c6824e47681fac48f431d8b07aeab5bea12bb5b0e5ee7b45e0738366a6de20

      • C:\Users\Admin\AppData\Local\Temp\is-LOCI8.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-LOCI8.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-O7OAR.tmp\dc82343ae9ead4aece0a9d7ccf95ea69586ebe0c555621b93957b4066628ab4e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/3048-13-0x00000000005E0000-0x00000000005E1000-memory.dmp

        Filesize

        4KB

      • memory/3048-163-0x00000000005E0000-0x00000000005E1000-memory.dmp

        Filesize

        4KB

      • memory/3048-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3412-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3412-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3412-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4144-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4144-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4144-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4144-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-178-0x0000000000800000-0x00000000008A2000-memory.dmp

        Filesize

        648KB

      • memory/4752-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-183-0x0000000000800000-0x00000000008A2000-memory.dmp

        Filesize

        648KB

      • memory/4752-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-190-0x0000000000800000-0x00000000008A2000-memory.dmp

        Filesize

        648KB

      • memory/4752-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4752-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB