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Analysis

  • max time kernel
    150s
  • 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, 01:17

General

  • Target

    695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe

  • Size

    100KB

  • MD5

    28623d2e7b99de1cd5865b065e1bfd0b

  • SHA1

    ef6d7994ae64c63a727129dbcede9337f6051c05

  • SHA256

    695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9

  • SHA512

    ea27385d80ed0b884e9f738867bd30799f7fb04f8ddadd867cc110359548c5c817c732906b3682173af25f32aa860cc8965297cc31b1e42a4c712fde389ed2a8

  • SSDEEP

    3072:lftffjmN/GfKDBgbNY+JMrK+0o7IJfuuaM1IxG+:lVfjmN6SBgUr0o7I1+

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 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe
        "C:\Users\Admin\AppData\Local\Temp\695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aAC.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2972
          • C:\Users\Admin\AppData\Local\Temp\695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe
            "C:\Users\Admin\AppData\Local\Temp\695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe"
            4⤵
            • Executes dropped EXE
            PID:2628
        • 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:2888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2684
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1744

      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

        2df1418d5d93ba658c5bf738f86f2c57

        SHA1

        6d3d7210a0abbc91c89a15c300c4f095d6831dc2

        SHA256

        83ba73a5b0133a543ab3c508f3927b373cc033a8d1741e9239939881097d5330

        SHA512

        d213e966a95f0a119b1f4cc85f4435d19795e419024790195f3d73d3b1755de25a5cb80acf3c28f8e6aa89ece57dc4e3d79e3fbc4bfab0fe83265b7c268904d8

      • 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\$$aAC.bat

        Filesize

        720B

        MD5

        38ced8f7811e4c5bfc319bb45bd7300b

        SHA1

        b81713fb79d8a0e5aa3098eba26f3edc98868685

        SHA256

        680839604033ff20d89f7f2c252697fa8d0dfdeffac4c5382a2367255d2fdae2

        SHA512

        9521a1d04b77fc3acb7d711efc3122c7c3b1019d43583dbe15f144f1686a1d2f0440fa0c8aea9ae68f51e55ff1517fa72ebb577e47699a1e13abf0b314c3b510

      • C:\Users\Admin\AppData\Local\Temp\695253efeb94cdf31e8dd46590af2d3a4b54258685cc7c1a77499483b1fa7bd9.exe.exe

        Filesize

        74KB

        MD5

        97ae91a7a15bbe0b49b5b99b32a91b71

        SHA1

        d64bdd1dae5fc1c2b07e3cea8c509eccc443a305

        SHA256

        1cd2bdcddabde5c477f01e7c059dd39d9925d1369ad88dc888989a25965c944b

        SHA512

        02073c5b2590989bd36eebbc521146177802fca6aa0193a2149ee74d1e59f69dcc79f8d7692a8ab593872cdf366f4c159aedac69b5292afa16c7ca778bbcd3c7

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        75e4764d2ab25c5ddd76e779117c0243

        SHA1

        46f4018cd51d0e742730469d59389927ecd0eb0e

        SHA256

        ec383ea6b7dd7cdfc13d98cf0d1327685a046d851621b08e2dbaabdebd502396

        SHA512

        8215c629947d5b663b32742ac2ea09a20b227a7cf9f4e82bd0b53e5dfcdc34a5b0a179dc5f3d3472b590b08fe4dfbc3aa073e46988880a3b1ce3fbec18d5ec4b

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

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/1200-29-0x0000000002E40000-0x0000000002E41000-memory.dmp

        Filesize

        4KB

      • memory/1976-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1976-16-0x0000000000320000-0x0000000000354000-memory.dmp

        Filesize

        208KB

      • memory/1976-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-92-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-651-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-1851-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-2203-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-3311-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2888-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB