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Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 22:56

General

  • Target

    93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.exe

  • Size

    6.9MB

  • MD5

    87a987501adb635880d983119be826c0

  • SHA1

    54763a90d2df9f5120a3f05c57c29eeafb1ce807

  • SHA256

    93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548

  • SHA512

    a8c582e4d3a097fbee4dc1df8112285016c5c8a9520db3ca83495770711e0668215999981a8857fb8ae937635690fcb45c3a3b929a42d81baca0b8ea9cb63610

  • SSDEEP

    196608:ixnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:aNztzQlcDPXus98d9Jzj

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\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.exe
    "C:\Users\Admin\AppData\Local\Temp\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\is-P8TJP.tmp\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P8TJP.tmp\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.tmp" /SL5="$C0060,7025884,54272,C:\Users\Admin\AppData\Local\Temp\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:428
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4176
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2724
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1068
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1584
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2816

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        998KB

        MD5

        66f82b0cb4f1a97d02b1bc8a36331b87

        SHA1

        ff363b861f48404ce4a5cf7758c79f57e9b684e5

        SHA256

        aeed20bd7f9c369cd9dbc212b9b4e4b8afe86eb895e3f408e76dff0c554ebeed

        SHA512

        027008e37a363c7de685cd1b9d46bbcff606f5c99f841718a6174f4fa2a1677b559f0fcb87adb994009fcd5bf2423ab8b9ce61c0f47a6604f64b3fe599680b41

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

        Filesize

        1.5MB

        MD5

        252dec7a8e7f327744f04529d76045aa

        SHA1

        02762c1bbe4f8a059c80955e86c12e7b765fc85d

        SHA256

        6414ea2df9d24570bc7a2891d1e890eb0d4b78d61c74a30bd2462bd46646a619

        SHA512

        817b039dd468c7127ad6125475317cc318102bb0f02f45aa71c82f8a2ddfe50ad3b05e4e293b1159f4cbda17a769aaad9f3b442ab6b19b4461f1680cc1f9c64d

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

        Filesize

        596KB

        MD5

        0573356ad2ef39dc375260766bc412c3

        SHA1

        ac56060128ff877c0aad468666dc7af711497aac

        SHA256

        67541ab4d7904b7bf0118047cc59c16521a1ba3c10a20f1d1b759d2b52d25356

        SHA512

        00672a3bab9aacd64c1fffe1d88c19793a61f9a9caa0416ed16f8add125a10312eb7f5c01239332457f8e3e34faa50b5edafad25f707b43749d0cb47a9a0a6ba

      • C:\Users\Admin\AppData\Local\Temp\is-P8TJP.tmp\93a4c6bfead476f8f454b48e72eae2c4d38d4998d761c997cc6ce05e027fa548.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-4CA6J.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-4CA6J.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/428-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/428-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/428-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1068-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-179-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/1068-183-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/1068-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-190-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/2724-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2724-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2724-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2724-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4732-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4732-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4732-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB