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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 04:39

General

  • Target

    d29237528b2b8857193786a5c0fc4124.exe

  • Size

    6.9MB

  • MD5

    d29237528b2b8857193786a5c0fc4124

  • SHA1

    2bd47f31650d728846f6987700e961e67d14dc47

  • SHA256

    e9cc816323df6b60d137ef6d95c2eb33a61849e19bb73d8ed5029dc6b402db4e

  • SHA512

    5b8e30cc468347356e4081d1133c2813c09e1536c860c982b2671e855e9d6b51d7e688a6e50440fa889b86a192bbd259f185cfa9342b2ccb1258788106de6d75

  • SSDEEP

    98304:k+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:dz25G6bV1yYDuZxCWQNhUU2uNzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\d29237528b2b8857193786a5c0fc4124.exe
    "C:\Users\Admin\AppData\Local\Temp\d29237528b2b8857193786a5c0fc4124.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\is-I9KN7.tmp\d29237528b2b8857193786a5c0fc4124.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-I9KN7.tmp\d29237528b2b8857193786a5c0fc4124.tmp" /SL5="$120044,6985375,54272,C:\Users\Admin\AppData\Local\Temp\d29237528b2b8857193786a5c0fc4124.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2496
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1004
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2344
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3224
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:5116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.4MB

        MD5

        fd5fc0af2e29d37057b572247d7fb83f

        SHA1

        98df1116afa939891b62387b25234ff46c563588

        SHA256

        1467233e0c24ffb5c58f64dccf00fa6d545fb821809ca30ca0323525c1aa9fd1

        SHA512

        7e340229d0fcdbe8f8e68caa664498bb2e4be60af2fe8c22ad0194a8be46624634b28231d2ca78cf489b1913831efd8f97ce6ccad00b3586281bf20e0c374d51

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

        Filesize

        1.3MB

        MD5

        9de65c1b6519561a16c8bd50f15c477c

        SHA1

        76fdc30cdd7886deb19a5236d461bd0962a9aa44

        SHA256

        3c00f04d5279d7b6a6b052660f34b758a2f90317ebeaa41ab750beb833a31a56

        SHA512

        1ac43b47d246c68153ffded87ef02856e7c1353152a32bf37d33392bb27cd5d24b30523ff0ffc42cd9b787fcb122327623f434b07ad0dd2e557d98535c7b2c77

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

        Filesize

        160KB

        MD5

        3274a437c580a5ef35787f155202faf9

        SHA1

        fcdd05c697471e82c4970be66ac0a7f561fbd3d1

        SHA256

        55b28d23dfb3d49af5d0bc4fdf26cc2b86a3ee6e5321f3c5862422b16f2fd571

        SHA512

        6d224c567230b3f78d051b6e5ed916409e8a57c17da49b7617e980f212b658aa5abf1c75021eb924c2d0058d576de71a58bfaa18e070954f14f8752821abb68d

      • C:\Users\Admin\AppData\Local\Temp\is-FUH6L.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-FUH6L.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-I9KN7.tmp\d29237528b2b8857193786a5c0fc4124.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1004-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1004-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1004-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1004-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1228-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1228-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1228-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2344-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-179-0x0000000000740000-0x00000000007E1000-memory.dmp

        Filesize

        644KB

      • memory/2344-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-182-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-183-0x0000000000740000-0x00000000007E1000-memory.dmp

        Filesize

        644KB

      • memory/2344-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-190-0x0000000000740000-0x00000000007E1000-memory.dmp

        Filesize

        644KB

      • memory/2344-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2344-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4796-10-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/4796-163-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/4796-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB