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Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 00:55

General

  • Target

    9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.exe

  • Size

    6.9MB

  • MD5

    69cd7a779516f461c317abd8452385ec

  • SHA1

    091516ae35877e8458965712a271b4ceac6126ac

  • SHA256

    9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba

  • SHA512

    74d0c8a99e9c492e7b746bfce0d39227ce5db7b6ee1cc28fc0979bed7682de80bfbdecc267942de211c1e5b1142ecb608bed9e71087569c439eecdd990d405c8

  • SSDEEP

    196608:nxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:dNztzQlcDPXus98d9Jzj

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\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.exe
    "C:\Users\Admin\AppData\Local\Temp\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Local\Temp\is-86PMP.tmp\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-86PMP.tmp\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.tmp" /SL5="$100206,7025884,54272,C:\Users\Admin\AppData\Local\Temp\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:516
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2492
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4380
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3912
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:3080

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.2MB

        MD5

        92a34b81138e174a61aefe84f7a6c410

        SHA1

        d550023cf79caa51a908c9697c3b4098e7814ff5

        SHA256

        fa0917364b5de0e1d8bb6941cf741fb848c4556290e7bc698233495846a7afc1

        SHA512

        73c7c11156168a7305d829a6689d3df8f7a3cc811841b8f894ef42eabcb986cbdfd92fb416884c40deefa21c80da9d86230654d953e1e2750cfd89a6da7e297b

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

        Filesize

        2.0MB

        MD5

        a9c858a490344fb0f0554231264750d1

        SHA1

        5826b91fa2179efc89f29bf0f4205460b60f6bfd

        SHA256

        25e33c5ae745a8bf854a724c792a0a2251d47b6bcef547e163105a20b474f745

        SHA512

        5fb314ae091d3c3d9ad04926e6a11159e561a82dbfced0312d2810d9693a7385e79ab11dadf7a14177f8fd15286209c07bfe9d25b05ee442d7dd1b763f3289cd

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

        Filesize

        559KB

        MD5

        69b057a9d03bb60312c2fa380c4b04cf

        SHA1

        7b9caa969b28b980ac0a10a1797bddfa2ca5577b

        SHA256

        d626fc58b5b4152fd28e15ca8074d0d1ab52ed1badf10cc4c231613406f76379

        SHA512

        5d31985f4076a8a415ad6aac7eb7b63b7a90d44fae4e84cebce1266b2ba3358d2cf88d807276e5c85d0a94aaf90820eb6b3643a0a80e8ff5dfbe101abfcb6e5a

      • C:\Users\Admin\AppData\Local\Temp\is-4RHTV.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-4RHTV.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-86PMP.tmp\9e8fcb4b71e3f3d8d783f7feda2147f450953a2288538b3ba214dbce1e3643ba.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/384-163-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/384-10-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/384-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2492-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2492-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2492-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2492-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4008-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4008-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4008-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4380-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-178-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/4380-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-183-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/4380-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-190-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/4380-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4380-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB