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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 08:15

General

  • Target

    cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe

  • Size

    1.2MB

  • MD5

    c3e574773d5ebbbdb8f4fd661384e435

  • SHA1

    ebf4ca50f1f852079d717db33713042744b8fe76

  • SHA256

    cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488

  • SHA512

    7fae8f480adb0feb6e2c31475e047953cfb8e134649773ff9d25998cbf2a413a5f11b4c8e008cdf2b728c470646395e26b1a81b32a1ae2a9015d9ce728b8d4ac

  • SSDEEP

    24576:U71sQYmz7Gn/jWoHuUDCbmMqWfGL7SiwpCHr0H:U7Lzq/jWoOCUmMqWBvAq

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe
        "C:\Users\Admin\AppData\Local\Temp\cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aEB.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2900
          • C:\Users\Admin\AppData\Local\Temp\cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe
            "C:\Users\Admin\AppData\Local\Temp\cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe"
            4⤵
            • Executes dropped EXE
            PID:2532
        • 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:2948
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        251KB

        MD5

        69e0ff51b5c71d80e8789788f4c0def5

        SHA1

        6a167207c2bcfc3af9a3db078cab336c23bff679

        SHA256

        0c795a07deb16a871947caa3fee6505f7645fb2df3b3f33b532b4dc9d4cbe077

        SHA512

        0c9ae6ef006ce63ab0d3d853ffbb8e5bb33bad1367863e07a0a92750d2282dda5f80590883964751260e727bc94f56198e0a24ceb81e689307dda15741d334fa

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

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

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

        Filesize

        720B

        MD5

        3ef1715c9fe6d9ff0c7d316f4950ba39

        SHA1

        503f8aca2e6bccee5b06bf972983282d3fa1ead9

        SHA256

        15152ba815e0cd4df438178d1ee84cb2272155e08e60f89b7ccd47cc2bce19a7

        SHA512

        639242ed3949e5aa22316901aee88a25d5b51690a336d8f3bcdbdd76e10f811943ddd521ebb7ce9b959bf1952222316f0cf410d00023f8b10518f97a421fe557

      • C:\Users\Admin\AppData\Local\Temp\cdf7c214e46de8b6259cb6a91957f8caaacdff0613aa30f8b8d14012693b4488.exe.exe

        Filesize

        1.2MB

        MD5

        4d0756eb75a5ea3416008e02ba104333

        SHA1

        45219ad56e5361a05fa73d29b75c668a3f00267b

        SHA256

        7cbffb7789087cfcd8dfc2c600cd10e758d5dd3b66e5f38b01f422a358c2a97c

        SHA512

        ac913eceb6e6f66d3827309ce89874365cf98e01f4bb56a83145c16867c388a8a9462bfd972302ee55af446fdb67955a5dba2bfbee1785f15cf2d5f3c6a7c56f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        eae720ddb96259ba9cc84160c4e6db6b

        SHA1

        6e6aa6b84edda1752d2720be3269e5df9a7dbc91

        SHA256

        1e3b3150146e34c2742aa0816cab9a3720ecb9f8e6ad85db6db8624ca6a57760

        SHA512

        a386e5ebbe057131bfcbafcd14f2efe8cb486238394819e681feb1dc7fb5695df660cb2e6dc1ce3a944b1eabc365d91994ed1f137bde0a41d8a4c882428e7610

      • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

        Filesize

        8B

        MD5

        4b4dbd7e2fe4189c8136069a10e1698a

        SHA1

        e4e6e1e80d1fe41d20456173c522d8e7affc4579

        SHA256

        f00f66ba8f3341c7ae8e3c7741a1ff31e522c75580afa9793dcaee17488ccf5b

        SHA512

        2be5b324ef5d951c5e66d692c26f813e0fdd76cb4ef01a9abf38e5f7837f649e0194f7f5c55b1cfd79a9d253031ace5b270fc50f6c11f1885e85f9a874380d8c

      • memory/1200-30-0x0000000002E40000-0x0000000002E41000-memory.dmp

        Filesize

        4KB

      • memory/1740-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1740-16-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/1740-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-39-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-91-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-705-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-2452-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2948-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB