Analysis

  • max time kernel
    62s
  • max time network
    136s
  • 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 03:01

General

  • Target

    bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.exe

  • Size

    6.9MB

  • MD5

    7ca38868ed51110bedd442e80a1ffbca

  • SHA1

    ddfbe058f2daf7d9829dd9f80f40ed0a20227e5f

  • SHA256

    bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82

  • SHA512

    aaa3b2a5928ab4b109fa6ba04d543ddd680cf258263edc2a6ef8b56ad359269d1f9bf75f8f723df7388c76bb7d7554e38a9c8e7dbc53b9a0421005e7ee4930e5

  • SSDEEP

    196608:MA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:wBmakyVnlUQ7Wz3Tv1jNTh0zj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • 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\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.exe
    "C:\Users\Admin\AppData\Local\Temp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4196
    • C:\Users\Admin\AppData\Local\Temp\is-E8E6K.tmp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E8E6K.tmp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.tmp" /SL5="$900EE,6977575,54272,C:\Users\Admin\AppData\Local\Temp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5092
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3876
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1036
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1368
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:1492

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1KB

        MD5

        a96b4773b50572dc4755a6a248d73a85

        SHA1

        b3e8c56bc57c7d8c5919d3894ab8225d32bc4e48

        SHA256

        0b4974c6505e149bf6d2717ba890221123adb06958eb0e697406ec90daa0aceb

        SHA512

        7bc87190bf23c322443e7dc281d44f029cf067396095c6e2914c0ea6099f6ad8fc7ddca919e0531a27411bfde873866d00133e7fe3bf95e8d4ee3474fb7b0da6

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

        Filesize

        293KB

        MD5

        788a5be10746b5af1d9b8f243eedad20

        SHA1

        8398eee7f59315b176cbcae9f2900a0d5ba99162

        SHA256

        8ae8126aeccf1bf350f591192d0bae71f2f8c033da6512b0c91aecce641484ad

        SHA512

        5aba08d39b9ae8ef6dd374f5e33f7e39a6c0eb28275058aaf9aaeb7d13782dede190d04c2349a23fe542ebbb35aaf71427b959dae8c909a43b5a111e9c0abba8

      • C:\Users\Admin\AppData\Local\Temp\is-E8E6K.tmp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.tmp

        Filesize

        74KB

        MD5

        fa24bacc110fe5292ad3c8bb65b8de76

        SHA1

        6300e246d317cc5fb35147ae922123f95c6fabaf

        SHA256

        9f760600fdadcdcabd331427b2b3a1dbfa18d0fab2ba3504c0d0fdf5b937e870

        SHA512

        452f4aa0992f05106b3533a54e2e5ce228e23c8f5a21439fe3d01515e8c5ab86fd794567312d144f7bde944964d0d8760dc4ecb84cfacdbea545f7635554124c

      • C:\Users\Admin\AppData\Local\Temp\is-E8E6K.tmp\bff3372552068720bb2849e4ebc59be0980d189dc0fbaf29b84f774371797f82.tmp

        Filesize

        1KB

        MD5

        14d083317674748d4cb8e3384484c890

        SHA1

        6b8c9037700f569ae228d1c8998b1d9faea21a48

        SHA256

        199e49960b2cc64da68cc9822271d7a667112c42703f976d38258f8c83a78a67

        SHA512

        f3d093902aa2d158e726ac6dfd689036352fdef5c6345941cc747fc175701ccc4e0215567e9620abfd17fa3f84cab07e1654957ce56c2fce4a6b898faf253de2

      • C:\Users\Admin\AppData\Local\Temp\is-QR29Q.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-QR29Q.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3064-12-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/3064-162-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/3064-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3876-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-177-0x0000000000710000-0x00000000007B2000-memory.dmp

        Filesize

        648KB

      • memory/3876-182-0x0000000000710000-0x00000000007B2000-memory.dmp

        Filesize

        648KB

      • memory/3876-181-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3876-189-0x0000000000710000-0x00000000007B2000-memory.dmp

        Filesize

        648KB

      • memory/4196-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4196-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4196-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5092-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5092-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5092-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB