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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 04:41

General

  • Target

    857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.exe

  • Size

    6.9MB

  • MD5

    5e6e3cca9cad7a864b195a227545d537

  • SHA1

    173586562e705cb12cd0d9435f2495c9a426af08

  • SHA256

    857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635

  • SHA512

    e95c2a81be9daa7b1bdbe475a56748aadece5f10f1641c89534ae28fa273e540cfb1bbf7b1ff642bf643c4d4cddd00b77dde85d6a2884f6ab5485c31a3118c16

  • SSDEEP

    196608:DxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:pNztzQlcDPXus98d9Jzj

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\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.exe
    "C:\Users\Admin\AppData\Local\Temp\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\is-AKPOH.tmp\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AKPOH.tmp\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.tmp" /SL5="$600AE,7025884,54272,C:\Users\Admin\AppData\Local\Temp\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4144
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4884
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4536
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1684

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        0f28c13e823c941e50a3491a8991b183

        SHA1

        f57a522f2fbc78f6e10f47d322fb50dbfb2f97de

        SHA256

        6a512497f672a7aa3a62fd5b87e95a6420dc703212d02581b7c98fc846f86e82

        SHA512

        cb8f7dbbdd078b362a1c29ba723d56a581c0643a8855b29f82646a3483a0605e00c536706ed67423a23b1c6c28cc35f01b8d0a5900ffa4b62fce2770a1644fc3

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

        Filesize

        2.1MB

        MD5

        3362bac458070e33d0cabcda1e4b735c

        SHA1

        76ac1f5b96667d9621eedd92ab0704b9c7a129b0

        SHA256

        4dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd

        SHA512

        59ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce

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

        Filesize

        1.9MB

        MD5

        85642fb2ecab8623ca5dd8c209f1be36

        SHA1

        f3cbf7253924fdcd1290d36079185a7994ea3b12

        SHA256

        3955c7a5c79e9dd8f214e6dfacc10ac3db2940ad2eb39bdeb0c285cca6bffd19

        SHA512

        6cb5cf20511d0282c82b8da7d2aad7841ddccd4fa2bfbcf704c1ddf28c1da3fac6f9baacddc35c4f3a56d0a945b41b88fbd68f9413c0adb838de183a9166cce0

      • C:\Users\Admin\AppData\Local\Temp\is-AKPOH.tmp\857388d6ddff8ac6b6e7fc35ae43bf2a63a2ff3a7e3c5a8d29280da48f02e635.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-J4IAN.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-J4IAN.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1432-163-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/1432-7-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/1432-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1684-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-189-0x0000000000870000-0x0000000000912000-memory.dmp

        Filesize

        648KB

      • memory/1684-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-201-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-180-0x0000000000870000-0x0000000000912000-memory.dmp

        Filesize

        648KB

      • memory/1684-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1684-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2912-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2912-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2912-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4884-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4884-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4884-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4884-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB