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Analysis

  • max time kernel
    123s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 03:35

General

  • Target

    23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.exe

  • Size

    6.9MB

  • MD5

    36563d793c00d5d63616b16915f66b38

  • SHA1

    32b2947bd0f7475989ad23cfddadefa99e48fbfc

  • SHA256

    23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877

  • SHA512

    fc850c76b767d3d4bd90a9d0de02612a9f6499094cafb122aae718da55f61aa9f9f8f7b4c08f9807eaafb5eee67865d8e7d93015de78ec841d258155356d73db

  • SSDEEP

    98304:X+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Oz25G6bV1yYDuZxCWQNhUU2uNzj

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\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.exe
    "C:\Users\Admin\AppData\Local\Temp\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\is-229GN.tmp\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-229GN.tmp\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.tmp" /SL5="$C01E0,6985375,54272,C:\Users\Admin\AppData\Local\Temp\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:5104
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3948
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4976
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4468
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4064

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.6MB

        MD5

        a5f24b5f06d5c7f19584ae01ca687a9f

        SHA1

        6d20c8dc094e69d9625013184e018e1be372930f

        SHA256

        581841f1702d3049d71def17e81f323407db79912fe1139a587147c4da298dae

        SHA512

        38b0c64aa37c2e5af96e72cc2c0c0bdb2a84eb936f8ad46290243364ae3177719f21dd309f6dac64da4e7f6446effe5b6131d46fb8e43525b4d52165eb18461f

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

        Filesize

        1.0MB

        MD5

        a1c1b25df6f7be12e8deec578b23ec89

        SHA1

        b0babe43d324fd088834b785b35b615250f5e458

        SHA256

        db0b53adf565cd99570d9c001d22040b8bfd814509fd27a9104d8cf265302cb8

        SHA512

        4ef4352817a69ab816d8951cc866c2b1962cfb41e58513529b065281d42eb55ef1a19d3c0b5b774b26ee04aeef0c9116727a4cb45e616624709120030cf4b6f5

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

        Filesize

        324KB

        MD5

        c34e8121007c1f46704e235f481c273c

        SHA1

        bb721b342cfc8eafcf3defb257475141806d9031

        SHA256

        7c631e99f772fdd63a0c05e4554af95c0ed566a6ffd5261703c53a943885d875

        SHA512

        4186b3e8cc81422a57781ecb558f7f8024dc2ef1144c3f0915ddec0c679106b5cd22278ccd2b1e9258dbd6cb3ad9fe57a1109f2a22920c1a82c92d4810d994a7

      • C:\Users\Admin\AppData\Local\Temp\is-229GN.tmp\23f087baa40cf05742e97b2c266fdcde8597a4988ee0caf8aebe9f9aecef6877.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-TVDVN.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-TVDVN.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3128-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3128-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3128-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3948-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3948-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3948-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4580-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4580-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4580-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4976-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-183-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/4976-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-179-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/4976-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-190-0x00000000008A0000-0x0000000000941000-memory.dmp

        Filesize

        644KB

      • memory/4976-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4976-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB