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Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 11:47

General

  • Target

    336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe

  • Size

    39KB

  • MD5

    2cea0c6a075971886b07f20a5a7a8d18

  • SHA1

    bb994210d2a23811d2e98c25f5b8e92dc344ae5f

  • SHA256

    336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff

  • SHA512

    6cc95868b7b6858df9be24b868671fc774586e1bb3bdd4fc394973415ac02b06797a6a25d2a4f7e3d3f72843e37792a1a046a8bce4a818bfcd63a4268463d411

  • SSDEEP

    768:p516GVRu1yK9fMnJG2V9dHS8DuHbKn/jGx:pv3SHuJV9NHuHbKSx

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1280
      • C:\Users\Admin\AppData\Local\Temp\336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe
        "C:\Users\Admin\AppData\Local\Temp\336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a70BD.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3052
          • C:\Users\Admin\AppData\Local\Temp\336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe
            "C:\Users\Admin\AppData\Local\Temp\336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2748
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 676
              5⤵
              • Loads dropped DLL
              • Program crash
              PID:2444
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2576
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2584
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2740

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        254KB

        MD5

        4aaa245ff034f0f7748335aab26f0a66

        SHA1

        892ec26603207dbb1f44ed51e96bddf38e40155b

        SHA256

        585a81cd9d4bb39b76878de22d22252cfbd331da2cca7ea6e104c923ad6c1b01

        SHA512

        2260a0364e79f25cb7236491ebe794de23891e7ee83656eef110fe5d2ef6168ccf3b29900a298fefcdee3aaa53dd9860366c34c8a18646b631225ee740af730f

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        474KB

        MD5

        6eabc463f8025a7e6e65f38cba22f126

        SHA1

        3e430ee5ec01c5509ed750b88d3473e7990dfe95

        SHA256

        cc8da3ecd355b519d81415d279ed037c725ba221bf323d250aa92ee2b2b88ca7

        SHA512

        c8fde7026ac8633403bbefee4b044457184388fb7343d8c46f5f7f272724227976bf485ea91da49e2a85dd0cfb73f260ac705d8007333dd3e5539fe5ed67e3ab

      • C:\Users\Admin\AppData\Local\Temp\$$a70BD.bat

        Filesize

        722B

        MD5

        4555ee9512b95f4678ebc67123eefba0

        SHA1

        a67bd011b0e7fa0e47f978249978450c52108bbc

        SHA256

        a0d0146b569387f88871971cf8c9f2e4fd4831979f1fc0a1cf3b967d8872b959

        SHA512

        b388a2fb05b030b41ce3868e14f835eae637b55af8e81b0bd7bf2b15e6bbd38167f95cf0d6ce92b7a2f6215f6b839445e0f0c221fbb4fd55efc00395eb49f3d9

      • C:\Users\Admin\AppData\Local\Temp\336e9a72afce3663806bf222928ef44c6c4adfd18d302ece28ae4c260f74ffff.exe.exe

        Filesize

        10KB

        MD5

        67f64a3ef10630d8305944d4c902e73e

        SHA1

        60ef09c067993aa87fd3dbfc10ae552f75ea4a82

        SHA256

        663e8961961141247a8a5cd305b7c2d53ab1f8deaebcd60728ab73a0ec52fa79

        SHA512

        35649265e61ebea7959a1d506298858faeeb0092e1ee1e01d5ceafcb678fbf7aea095de06a746afc41ee9fe0b3c250000cfcdbaea315e118e24a54999cf08b3b

      • C:\Windows\rundl132.exe

        Filesize

        29KB

        MD5

        c5155b96f66956ca08b4e42147111980

        SHA1

        e9af8321fd989544d0e429c6b9abc4dade3de3e4

        SHA256

        6fc7c42e92228d2aec2c4e86f01d0d097f2850053368caf26f9556664025b0e5

        SHA512

        cfe46fe841ca89f2a22e99baccba837eede7b0697e6a5382c96a5ca760e791a0aa1657187fc513d3e7fff59d13f8f3c8f1b14a56e6b7de07a0a7ac93cc091c28

      • F:\$RECYCLE.BIN\S-1-5-21-3787592910-3720486031-2929222812-1000\_desktop.ini

        Filesize

        9B

        MD5

        2be02af4dacf3254e321ffba77f0b1c6

        SHA1

        d8349307ec08d45f2db9c9735bde8f13e27a551d

        SHA256

        766fe9c47ca710d9a00c08965550ee7de9cba2d32d67e4901e8cec7e33151d16

        SHA512

        57f61e1b939ed98e6db460ccdbc36a1460b727a99baac0e3b041666dedcef11fcd72a486d91ec7f0ee6e1aec40465719a6a5c22820c28be1066fe12fcd47ddd0

      • memory/1280-35-0x0000000002220000-0x0000000002221000-memory.dmp

        Filesize

        4KB

      • memory/1632-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1632-20-0x0000000000220000-0x0000000000256000-memory.dmp

        Filesize

        216KB

      • memory/1632-15-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-45-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-52-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-98-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-104-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-594-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-1857-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-3317-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2576-21-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2748-28-0x0000000000A50000-0x0000000000A58000-memory.dmp

        Filesize

        32KB

      • memory/2748-46-0x0000000074510000-0x0000000074BFE000-memory.dmp

        Filesize

        6.9MB

      • memory/2748-29-0x0000000074510000-0x0000000074BFE000-memory.dmp

        Filesize

        6.9MB