Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 18:42

General

  • Target

    c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe

  • Size

    315KB

  • MD5

    aae6ff591c23aa7c3e92d4af468e1dac

  • SHA1

    e30862d6b43e82742ede4873b31f3309bfa8c280

  • SHA256

    c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7

  • SHA512

    48c083b85db4853dfc6afc5c895d0ca72ab81e974b590f3dbea6573cec52f820661f7a5d43b427d1d049727d278d47f0b3fff13254f0d1effa986e3d55ace2aa

  • SSDEEP

    6144:vCFplxdBHxlO2XGytf/NMA7+wPy/Miv+kzBSICpi+jyxP/O3goa:8pHHxlO/gf/WA7DhPa

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\c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe
        "C:\Users\Admin\AppData\Local\Temp\c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2444
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1C18.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Users\Admin\AppData\Local\Temp\c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe
            "C:\Users\Admin\AppData\Local\Temp\c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe"
            4⤵
            • Executes dropped EXE
            PID:2976
        • 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:2936
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2200
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2624

      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

        252KB

        MD5

        0b2679dc1eb882abf56d11ca591aeb76

        SHA1

        7a5c7ff9a42f9c84873d269d1e776a89045a1f45

        SHA256

        3d1b129d45f7fe6c861e380906a0c97576a804240426a0d2408f131cbaedc354

        SHA512

        8661ecb16631ac033db4d7ee8aa291647ca3311888988693633acd1a69fd9d6eb890c94c97656602c47964219a082f875bce41710fe036cf546c29ae49e2e114

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

        Filesize

        472KB

        MD5

        88eb1bca8c399bc3f46e99cdde2f047e

        SHA1

        55fafbceb011e1af2edced978686a90971bd95f2

        SHA256

        42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

        SHA512

        149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

      • C:\Users\Admin\AppData\Local\Temp\$$a1C18.bat

        Filesize

        722B

        MD5

        1b7db488ee12fd97bcb8cf29a582e12f

        SHA1

        14552a3f990f3e31c4f2bfe0b4a1bd6bbcc992f6

        SHA256

        bef61d81f288e3ec4522e9926adfeee6bb753b8f3c03d7e2b8d94efefb456cdf

        SHA512

        71da7c1e70914d5f637c6a10ac0175637dc07c634de0b51e0e466c73fc47bcd2bc22313840ffefae8eff28a72ab6c84ad0ac7846e5d510e2465ac00bb07e1cb4

      • C:\Users\Admin\AppData\Local\Temp\c53a5da3dc11fc53bed73e3560b1fdf748f083f662156b98847f9f6683717ae7.exe.exe

        Filesize

        288KB

        MD5

        bf261e4750c3149989422b64ca0a8c61

        SHA1

        d4de22caa39df29160c0d74ca43aa0a124add689

        SHA256

        bbb18f78f5b4892c1e8d0d5285b1c2ecd744b9bd44ecf614117b4b4694d5a5af

        SHA512

        3c7e86ab252b9132ff3d9ebeebb1597f8a5860a2e664ba9f99dafbb54b10bd807cf7ba3a1e7ff0fac3ecaa39edc6613fd5a4735275862326d30b3a80c573113f

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        d0d42004d5e14fecf764dc99963c82fa

        SHA1

        2b05a3b17e23a16df2a838d31d8c4113993dd833

        SHA256

        fe58d080c6a43f69deaec1b3fa9ffa2963dd9a3384b6f3aa9895c4dd2c485a8f

        SHA512

        72f9b71e46512dfcec9bd294930cc9a01acdb8c5b33a3c9a48c9475889f300e35d13191e5868c9798fd335af5a32793f19180b9d015ec18d2b112d0ac1749bee

      • F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\_desktop.ini

        Filesize

        9B

        MD5

        4f2460b507685f7d7bfe6393f335f1c9

        SHA1

        378d42f114b1515872e58de6662373af31ab8c7b

        SHA256

        47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

        SHA512

        75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

      • memory/1200-29-0x0000000002550000-0x0000000002551000-memory.dmp

        Filesize

        4KB

      • memory/2444-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2444-16-0x00000000003B0000-0x00000000003E5000-memory.dmp

        Filesize

        212KB

      • memory/2444-15-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-38-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-44-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-90-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-96-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-638-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-1874-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-2181-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-31-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-3334-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2936-21-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB