Analysis

  • max time kernel
    150s
  • max time network
    156s
  • 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 20:29

General

  • Target

    496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.exe

  • Size

    6.9MB

  • MD5

    4b405a32f91fab7a13d3d4ff46873c11

  • SHA1

    3292a0b0f3c7f502b215fb97890b69c400ebf9bd

  • SHA256

    496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb

  • SHA512

    7c6ba609bb135f32226e5c2597e38e69d5ba27e3091f82ef9bdf9e116ad0fa2fa006a49149ebd8221acc29e59c4f8fb60a3d10d3e94437ffb2c510a68f5d02fb

  • SSDEEP

    196608:qSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:qSjumV+jHUodIjk5VzfE9Awzj

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\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.exe
    "C:\Users\Admin\AppData\Local\Temp\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\is-O6URG.tmp\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O6URG.tmp\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.tmp" /SL5="$D0052,6998999,54272,C:\Users\Admin\AppData\Local\Temp\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3704
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2396
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1308
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2028

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        2415393d2f2fa86c044408d5132cf85b

        SHA1

        fff07515e83a6b54776dab3846e968040708e169

        SHA256

        823e49580058cc0fa454127299a9fa01a74781707deda9ac92d7be62637d6abc

        SHA512

        af9e3d93e650e0b301cd8ed838c56f091869c5468b0aaa262f6dbadc413901890362ba5d836cd406319403c35f50b35cd863c83318edb355cb294d53f0b95eaa

      • C:\Users\Admin\AppData\Local\Temp\is-O6URG.tmp\496fa4cbbdbeeb104a9d3ad06511e4ca1f6d67d8110898dcc90fb9827442b0bb.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2028-184-0x0000000000840000-0x00000000008E1000-memory.dmp

        Filesize

        644KB

      • memory/2028-190-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-200-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-194-0x0000000000840000-0x00000000008E1000-memory.dmp

        Filesize

        644KB

      • memory/2028-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-185-0x0000000000840000-0x00000000008E1000-memory.dmp

        Filesize

        644KB

      • memory/2028-183-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-160-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-163-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-171-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-174-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2028-177-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2396-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2396-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2396-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2396-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2852-164-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/2852-162-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2852-7-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/2852-24-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4928-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4928-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4928-23-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB