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Analysis

  • max time kernel
    146s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 18:40

General

  • Target

    000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.exe

  • Size

    6.9MB

  • MD5

    b90cff1ab04ab5cea2fd07ab2239e6f5

  • SHA1

    a12c66cdca6fe090d301163c9af734696e76783d

  • SHA256

    000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046

  • SHA512

    2600cc0bc4f4d6f20a1b33e163bdefb477cf14c19bb6ca18edd10ce57b07dc41e11aedc515b55d66b250589b98020b1706c81affe5f49e21765ed81dbf5f8c27

  • SSDEEP

    196608:vxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:VNztzQlcDPXus98d9Jzj

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\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.exe
    "C:\Users\Admin\AppData\Local\Temp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Users\Admin\AppData\Local\Temp\is-8JS9I.tmp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8JS9I.tmp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.tmp" /SL5="$4020E,7025884,54272,C:\Users\Admin\AppData\Local\Temp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4768
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4196
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:60
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3720
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4428

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • 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

        1.1MB

        MD5

        f3beee75d121d2be93d833407fa9b808

        SHA1

        a99ce4a47f12c3aae1982dcdb32db02ba4cd78f3

        SHA256

        bdb886dc57f1db91939afba81147bee0f5bfc87be53fe698faed7538fb1fabca

        SHA512

        e1c94b293d65ce6f21f95e2f52951e10db13d4f8f0c46a216fb4d6a47f50e4e4905d59126a7f423c4804f3e7a79ef3bcf6745865f2f96ce8cf21236f5159fef6

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

        Filesize

        1.0MB

        MD5

        b2dfb8d7960798ea1f7d72388ac1824a

        SHA1

        9f40e14986aa666a0a85d99ebfe0326ffc1e46ac

        SHA256

        f6c90e7a979441f8ab09ae6ec6346cae62cea68cb94d54f6e0e0765a8c110b7a

        SHA512

        4598b7e4e76b66c2c6ff83dca5485f5332b504cc9195ba739f81b5b278ac3282be3a5d1558e8899aec338c21b500e4281c0057101c76184b77b669f3fa43dded

      • C:\Users\Admin\AppData\Local\Temp\is-58KGO.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-58KGO.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-8JS9I.tmp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.tmp

        Filesize

        655KB

        MD5

        9f221e185b6b088a8bfd4e6b21898915

        SHA1

        61e6b88cf0bdb7125da955220b14d0a4d2b28de9

        SHA256

        7224bb5e9d9c2068284c1da7023e62ccec0a2cf2a6e308cbfb9a973e57afd364

        SHA512

        bf14b096c29dfc2350ccb3849903cf0cc81cd808a85afbbae08f159b2a3d9bbbf3804f5f7b8af144286d2c9fe1a2e5545e562e032bd34732e48fddcebefd6e08

      • C:\Users\Admin\AppData\Local\Temp\is-8JS9I.tmp\000270744ee56c37a5dfa131c863c31da782db1d7b3991cda8c6be010346f046.tmp

        Filesize

        382KB

        MD5

        f4a164341f62dbc64dedd0c02c7381bc

        SHA1

        039f338cf0e7b6d3d660857f01caa6e230941050

        SHA256

        0a8e43488c515e98c3f2d58f06fbdff6c4a8b810065e2751ac959f7bcc070ca5

        SHA512

        a95f3b57572505fc942dd232c6a082c98b4762ecd1f7be8814c1e3b61accef5b17687f7b2f4b8be2d2f1c4b2669dad98159358b1eeff4760b348119d9b6d0e80

      • memory/60-183-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-210-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-200-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-191-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/60-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-190-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-180-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/60-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-168-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-171-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-174-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-177-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/60-184-0x0000000000850000-0x00000000008F2000-memory.dmp

        Filesize

        648KB

      • memory/2616-7-0x0000000002230000-0x0000000002231000-memory.dmp

        Filesize

        4KB

      • memory/2616-163-0x0000000002230000-0x0000000002231000-memory.dmp

        Filesize

        4KB

      • memory/2616-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4140-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4140-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4140-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4196-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4196-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4196-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4196-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4196-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB