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Analysis

  • max time kernel
    142s
  • max time network
    148s
  • 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, 23:11

General

  • Target

    591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.exe

  • Size

    6.9MB

  • MD5

    62a8ebe6433c5c1ff2289b79d7b14e70

  • SHA1

    7c1cc28f450abfa18f677506092381654e429b8e

  • SHA256

    591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea

  • SHA512

    34ad9c7f9865c131597fba24f685641e5c8aaa26f0481c3df485fad76ce399dc6926fba030e08361849e56449852bb27d522a2f515d0873db7e5f88e22325207

  • SSDEEP

    98304:e+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:jz25G6bV1yYDuZxCWQNhUU2uNzj

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.exe
    "C:\Users\Admin\AppData\Local\Temp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\AppData\Local\Temp\is-05T5I.tmp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-05T5I.tmp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.tmp" /SL5="$6011C,6985375,54272,C:\Users\Admin\AppData\Local\Temp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2908
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2260
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4056
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2592
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1764
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:2176
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2516

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          320KB

          MD5

          d5bff2dde9001a946f21d700c669c03c

          SHA1

          128408f389cfe34d24aff56460cd49ca84ad64ca

          SHA256

          28475e38c57ef00ec7d6282991eb0c1d7f91138688226a78967ce76e95c96515

          SHA512

          43e753e3bac19a55c3a443f44d88697fd5d51807008b1600e7b351591596a6b8bda2e38ef35dc3b5047041a0168b69a84b476c6c84a8e8a4bb2c59972695670b

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

          Filesize

          721KB

          MD5

          2f2acd49c3e8e5433f18da524fcc4959

          SHA1

          a2bcab4ac05c0f4e26315f727c553afcb55cd1c5

          SHA256

          7b81379c874921828c43dca7713085b65cbbd254598c474ea28450f56bd7d9f9

          SHA512

          3ef36e43a385d1debfefbb4cba0423256d1ad047e39a969ebf1997eb1a0eddbba2cb24df9a07a0f8c36c5685825d8bc9da44724dfb653e7b65c62f34c750f2d4

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

          Filesize

          1.8MB

          MD5

          3a4dbbda86cda07e43ae83ff19541989

          SHA1

          e70de1459ce915663aeb8ad92eb3d2ce444aafdb

          SHA256

          ad87e077b91b95b6f22b0971f15905f157a2a51d2fb503712e3130c85929c1b5

          SHA512

          fad72def13447578beaab61a24c9af152c15fd4b5f3f82668d8161243cb35c1340fe73966ac9100ad8a02123486ace39a1a78235a827fe3139b747c20481ea83

        • C:\Users\Admin\AppData\Local\Temp\is-05T5I.tmp\591c2a7e945ff9ff4f7cad67de2fdf623f548992b47493e42a2389154ad0cbea.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • C:\Users\Admin\AppData\Local\Temp\is-BSL8H.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-BSL8H.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • memory/2260-151-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2260-152-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2260-155-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2516-214-0x000001DD75240000-0x000001DD75250000-memory.dmp

          Filesize

          64KB

        • memory/2516-198-0x000001DD75140000-0x000001DD75150000-memory.dmp

          Filesize

          64KB

        • memory/4056-184-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-179-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-197-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-194-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-161-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-191-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-165-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-166-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-169-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-172-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-175-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-158-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4056-178-0x0000000000840000-0x00000000008E1000-memory.dmp

          Filesize

          644KB

        • memory/4056-188-0x0000000000840000-0x00000000008E1000-memory.dmp

          Filesize

          644KB

        • memory/4056-187-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4236-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4236-159-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4236-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4980-162-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB

        • memory/4980-160-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4980-10-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB