Analysis

  • max time kernel
    151s
  • max time network
    147s
  • 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 02:40

General

  • Target

    8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.exe

  • Size

    6.9MB

  • MD5

    0225ed06caa47344cb39e8d1de752df5

  • SHA1

    16a79a8fefbd72fb446b4efafa4494b9ed273ea1

  • SHA256

    8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c

  • SHA512

    9915c22ab4b591d771b4b78ace320a0c59b58b7e4e31df60070c3a23df1986d85a2baa21298223ceb62dfa11611c70e137dab796dac5a6d56839acfa3c26fdc1

  • SSDEEP

    196608:eSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:eSjumV+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\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.exe
    "C:\Users\Admin\AppData\Local\Temp\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Users\Admin\AppData\Local\Temp\is-OQ30G.tmp\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OQ30G.tmp\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.tmp" /SL5="$C01C4,6998999,54272,C:\Users\Admin\AppData\Local\Temp\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4492
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4332
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4436
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3808
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3464

      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-MQI0A.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-MQI0A.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-OQ30G.tmp\8438bf998e57e728d9f5c32f0a093f2c1beee8a43281f0ecf9608e49661a482c.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1692-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1692-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3252-7-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/3252-164-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/3252-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4332-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-181-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4436-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-180-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4436-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-192-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4436-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4436-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB