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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 09:44

General

  • Target

    863540861260956ec6b96769a7acf854d4242caa70220b3175365d8ed22d7045.exe

  • Size

    27KB

  • MD5

    0ef8be9c4880f1bcbb844f5b70c8b016

  • SHA1

    e86003f9fd1aba6a476a7d9aa3123d9d889b62b1

  • SHA256

    863540861260956ec6b96769a7acf854d4242caa70220b3175365d8ed22d7045

  • SHA512

    96808066e59b5cf23fe96542032236b341830947dd5046ab487432059a88fbac8f5e745eb45d9018a21eeb21330c557602e6ecae5da93f53ec154805dd526c84

  • SSDEEP

    768:pm31ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:pmlfgLdQAQfcfymN

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\863540861260956ec6b96769a7acf854d4242caa70220b3175365d8ed22d7045.exe
        "C:\Users\Admin\AppData\Local\Temp\863540861260956ec6b96769a7acf854d4242caa70220b3175365d8ed22d7045.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a20.bat
          3⤵
          • Deletes itself
          PID:2948
        • 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:2116
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2688

      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

        9ab1db7dabb16cd716c50906ab861f9b

        SHA1

        013b7ccc09009a77cc61a72f5aa1f386cbff4aab

        SHA256

        4f49c9c5948d2594c93a203c9f8cd3953b48b23579b72937222840ac71d027b6

        SHA512

        72d45e988e6410b467aa65d4dff4f335221303e11e6db123c10bed962a2bd159be21861f89b159f2fd4da147f9ca25bd9116876553082386e23b82dc20838a52

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

        Filesize

        471KB

        MD5

        a373a8be1ec81f756766fd14b3cb1843

        SHA1

        a983ad3b441e2f54288c8d5072827553060ce489

        SHA256

        d161e11512f4ef6f84d1a09e742ebd623a5c6b2cf3135bb1e1015e320fbd1bff

        SHA512

        e661f7fa5373eb5cf879a615260339ce8fc29bdf950aa8127814cb14e1e03cd55184451a894dbb098ef377816aa1a0c50711af1d4e1cae5804fed3abfc9cff94

      • C:\Users\Admin\AppData\Local\Temp\$$a20.bat

        Filesize

        720B

        MD5

        9cba5b96946ddf0065f6a8bfd16ff108

        SHA1

        5c8242cd9f658de854a02354f76eb0217f0add42

        SHA256

        7fb437186189e7b8e8ca1237f539480923e0c57104688b847614fdeb71d1734a

        SHA512

        f9867cb9b775e9f3d7220026bd1b731004dc90402838974af65e2d6325f54594d7ee7ffc6b9d961db58cfce804a38b4d2e19095eefca9c96384b6c58d8a4da2f

      • C:\Users\Admin\AppData\Local\Temp\863540861260956ec6b96769a7acf854d4242caa70220b3175365d8ed22d7045.exe.exe

        Filesize

        544B

        MD5

        e8956547dc8a032556475e5922508574

        SHA1

        f4739558e6f237918b333916c1c89981c10b8c8e

        SHA256

        f87a2969d8835244f6c007e7f4405abf127c142da4dc71a8fd2b426a2728bb95

        SHA512

        a9b6ddd028148ab588c54d4eb9abc18f6cbfc0c9813a6fddc68368005afd687f006c2a6645865a5e16af82b4976c456b2593eb35967ae07583cf4e57607e694e

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        4ce72835d52440e39f0547c5de7bd69a

        SHA1

        35f77a5e5c0be7d3b58cd78fe5194d417e72f8c1

        SHA256

        61154b48d22a8f73d2f6ec32b00fe898068c85bd27dd6b5ed28f7c887842d651

        SHA512

        3a5dc4ec443c84f81b6b22dae04b0bcaad3f7d04ee718ee41b150b5476190803cc21831e63e3dc61447f3d070109600e1a72508090049f2d35f9abd54ada5fd0

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

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/1200-27-0x0000000002E40000-0x0000000002E41000-memory.dmp

        Filesize

        4KB

      • memory/2116-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-29-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-42-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-88-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-94-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-725-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-1847-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-2440-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2116-3307-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2204-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2204-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2204-16-0x0000000000330000-0x0000000000364000-memory.dmp

        Filesize

        208KB