Analysis

  • max time kernel
    145s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2023 22:44

General

  • Target

    275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.exe

  • Size

    6.9MB

  • MD5

    444d2efe85069bbaef0cc2e029de6832

  • SHA1

    1f5af6b80005b7fb9d54ce3d06ba1d160a0c29eb

  • SHA256

    275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49

  • SHA512

    97cb09fb8bd7b565f5dff0aa75efdda58c2d0453a872243a1bd7f3f308f08752ad1ba69fb18d6d5a6b4fa31c8975fc7b0803486a700bbb7378187b75f72e9c7a

  • SSDEEP

    196608:eK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:eDY6tiP3myRfzepXe4ny8gxzj

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\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.exe
    "C:\Users\Admin\AppData\Local\Temp\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Users\Admin\AppData\Local\Temp\is-N60D5.tmp\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N60D5.tmp\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.tmp" /SL5="$50216,6991381,54272,C:\Users\Admin\AppData\Local\Temp\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:164
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4848
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1712
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4592
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2692

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        768KB

        MD5

        97ab09425c393f89cbfc3f4124e5a6bd

        SHA1

        07b0587cf88979549a43620397769987e1989d86

        SHA256

        e95529dfde8b34e40d965b8eaccf69c1fe77869f7b04c5e5c96bdbfedab47493

        SHA512

        25c8050cc2bd63690a3914afc06560923aea1a7710cbf3cf82d44e4ecaa6f8b5f1ef669ac5e5ef37379fd33f6f01dc04b7d0cbd1701943976da768e218212ec7

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

        Filesize

        896KB

        MD5

        02edd8bec685b23071bf37120b48add1

        SHA1

        48bd6cccef345aae8de7a691415fca82cb7e5734

        SHA256

        d007dda072fca231775656e4749f583c987e7cb111f9a5eef1cf3c3fdc221b59

        SHA512

        a39ce9aa8f0f7b68708db8463443569ef79a5c4f763b51bda08258e6697b59d035240552cc0959718a2c611d1335e7f573eb1f5ed458e4484a14780cfc412361

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

        Filesize

        2.1MB

        MD5

        bb0124f16d88c4ec1fcfd9e524a5b921

        SHA1

        5017dc7277dbc5bb0b6f8428e4ff72603e3a370b

        SHA256

        59495c6e79c301f767f3d336050fb9927826f0ae972d634d395f5b44d7280a09

        SHA512

        4be3e838fb41cd4d01a12b639cdcb93df94deec0debd2593c53bbfe977daf5bcb9e3f97f6c47d33e76aea12ae2f9224f27652dfb5b5a69f53d201184766fff91

      • C:\Users\Admin\AppData\Local\Temp\is-N60D5.tmp\275bd8b3f211ff3ab414524de8b1f98b4ffbadf02c5d89e70455a1fa365a5c49.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-1DGVO.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-1DGVO.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1712-158-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-165-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-188-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/1712-200-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-207-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-156-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-191-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-187-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-197-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-161-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-194-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-204-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-169-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-172-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-175-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-178-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1712-179-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/1712-184-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3816-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3816-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4848-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4848-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4848-150-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4868-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4868-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4868-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB