Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 01:43

General

  • Target

    5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.exe

  • Size

    6.9MB

  • MD5

    3a88f448b6775708cd0b38fde2e7d203

  • SHA1

    682bf933e782be82b6b785eb97f4903e7f9d160b

  • SHA256

    5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115

  • SHA512

    49bcd541c61e133f9c3605bb3dfd44f23b3eb266eceaae33142c44b7699d2b0f0837bed16afd3fe702cbbe99f19dbc007eb462b8bf6c2b215a29fd05c04f5db8

  • SSDEEP

    196608:NA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:9BmakyVnlUQ7Wz3Tv1jNTh0zj

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\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.exe
    "C:\Users\Admin\AppData\Local\Temp\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\is-3BASM.tmp\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3BASM.tmp\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.tmp" /SL5="$70064,6977575,54272,C:\Users\Admin\AppData\Local\Temp\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4696
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2220
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3880
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1032
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2168

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        937KB

        MD5

        302a206fbc75f39598a5198ef49a58dc

        SHA1

        ae7016496d4a7ba5c68edae9ff55391fc5f9e246

        SHA256

        675a789c2f1dddff125555fafb0e1b83bd2430a8a5d237787f1f93fd0f479440

        SHA512

        2b855fc9052489ea386b1b35ffe511b781b9b6b4a03bf08c80ee5888628a7d2af7d86303f0310570c9ef7ca9011b78b7dfe777de668aa9ebd63d9c06df4daa9d

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

        Filesize

        1.1MB

        MD5

        b630eca287b5664827314916bd7f3e44

        SHA1

        65dcfb73a1a50a8a7385a5133ebcfe3fed2ed326

        SHA256

        184f3a9a7d185603fd4e2c3b4aa25cc14859b7078e111303767e0e5291c948f1

        SHA512

        c646fd98a4b078807e29f039b611ab8836dafaf622ee3a7ceb77da895d8fc0dd95a17a8ad11745f447a66c9bec2d86a7b649187485dacf94afd597c6c9e22e08

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

        Filesize

        322KB

        MD5

        dcfe0758242ddac15504d3f450ede412

        SHA1

        87ae407c838915b90efab193048e919c2446f675

        SHA256

        c63d6ae78e2121d71087eefc17f45e2bbd9cea383934ddb01f1431976e3fe868

        SHA512

        a65db8ff2bd1f8c79babf8abcdb559b82d5f7f8a70d0510583262da8991aef6f03c15c6a9a92e83eaedf358622b72d074d824f39b8bb82bfd28b614a8c38047b

      • C:\Users\Admin\AppData\Local\Temp\is-3BASM.tmp\5d8b99517ec632c639bec14747b6e5b833124af2cfc495ecd4b9276505865115.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-RT7IS.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-RT7IS.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2220-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2220-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2220-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-184-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-201-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-179-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/3880-178-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3880-188-0x00000000008D0000-0x0000000000972000-memory.dmp

        Filesize

        648KB

      • memory/3880-191-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4804-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4804-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4884-6-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/4884-162-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/4884-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB