Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 00:07

General

  • Target

    bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.exe

  • Size

    6.9MB

  • MD5

    335beb66ae3346d9500aee7c74d352a6

  • SHA1

    1dbdb12f67985fe5eaeeb061d881a3dba755f47a

  • SHA256

    bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5

  • SHA512

    b0f75b3620ff1be939e8d4c2eaee18fecc7b7f0ba25e957b1b134bcd19d97fa5daa8ee299528bba2ef9d9cbb8b6de9756295a46ff369282de0dfed2c73646048

  • SSDEEP

    196608:2A89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:GBmakyVnlUQ7Wz3Tv1jNTh0zj

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\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.exe
    "C:\Users\Admin\AppData\Local\Temp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Users\Admin\AppData\Local\Temp\is-8007U.tmp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8007U.tmp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.tmp" /SL5="$5022A,6977575,54272,C:\Users\Admin\AppData\Local\Temp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3764
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3984
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4496
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2804
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3980
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        292KB

        MD5

        094608592460636a348f60e6aa1131d3

        SHA1

        552c00b0c622dcaf1b4f401263cda3aa0170c207

        SHA256

        77e083e4a5816c014b96f25818492ae6b4b5115db4b0e42d6a4b55a80d559994

        SHA512

        ec3c43a9c97b58aaf18f4c8c50e719989de84ad8eba8401a06acbc9523562b48513f67c95668f2aa580ebe6f19fa507dae934265036b390a786240bbc0ebde6b

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

        Filesize

        205KB

        MD5

        5ec0c8a625c1ad1fb2f0f9f9f856c3e2

        SHA1

        d20ed084b28510b073757129e7b832ba8356b8e1

        SHA256

        a684e969fd11157d47f3f9c879a161024521d177814bb016900857a1106e0062

        SHA512

        97cb8b9ae2bc0341d2cf298a03ba68a18ce1c2cbac2b895b4fb6322850829c68cc6ada8caff36738d671acdc3f3d81eb24d00e6da20058a82051ea5297864f5a

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

        Filesize

        211KB

        MD5

        8635d83477a28c2f0e125561ec899eb6

        SHA1

        549299ff9a19094be9c48fec3b7754cc88bf8cee

        SHA256

        f2220402e157a3173b69322caff3a8a365d646b83cd64ca9b90bf036d3c71ce9

        SHA512

        b960098a734136c126082aa1165fa92959e60a68255599ff44f8d78ccf516166db4dd2a80980110399e69471ab3649d2e7d99d9fd143d125ceef5b810fb7b548

      • C:\Users\Admin\AppData\Local\Temp\is-8007U.tmp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.tmp

        Filesize

        339KB

        MD5

        dfffc5532ca121bce3bcb82e1e1c2b18

        SHA1

        4dcaa82488c8ec185280fb4c489559e372192471

        SHA256

        72c0834a4b434e5efa42129ef717b72b86a4d316335d121979add391180a3b9f

        SHA512

        b84f95a8272abfb379a3a672dcaae8667fd3e4323c2543d758c1c44cfb5de94747d867e3b8661020281dbbdab3d7a4a08399a27ee962de4e05b74a2346bbd5b8

      • C:\Users\Admin\AppData\Local\Temp\is-8007U.tmp\bf525adb7f78427a6ca16931bc7e19dcaefe5fcdae066b1fee7aa5b7a51333b5.tmp

        Filesize

        402KB

        MD5

        140bd6110a5c0a23471f1fe03bd743b5

        SHA1

        3dda6b7e958b2e8bb40a6c17fc34ac1ca3a2bc38

        SHA256

        d86259049b363aad4955628c992d0b3eb60d23ae34744aad3270af7247069f12

        SHA512

        d21b7b06f1875782d8cd8b39c255605f718626d4c8b3a7098155796e42927299c26914923f7a52a823e81e595657bf82274d339f57a48579ae487a0beef7fbb4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2804-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-164-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-187-0x00000000007C0000-0x0000000000862000-memory.dmp

        Filesize

        648KB

      • memory/2804-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-163-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-190-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-174-0x00000000007C0000-0x0000000000862000-memory.dmp

        Filesize

        648KB

      • memory/2804-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2804-180-0x00000000007C0000-0x0000000000862000-memory.dmp

        Filesize

        648KB

      • memory/2804-183-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3692-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3692-157-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3764-160-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3764-158-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3764-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3984-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3984-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3984-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB