Analysis

  • max time kernel
    100s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 06:33

General

  • Target

    a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe

  • Size

    713KB

  • MD5

    fff23e5b02e96f3ab2cb974d19568311

  • SHA1

    3372ec1be288a03be9cad2b7c9849759c128f30b

  • SHA256

    a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863

  • SHA512

    edfb29f1f5534d6a6aded8bc9630ca8b9570ed8bbe6ab9844f8b271b33d6878e779b1f37af00325aaa128f8f82ff2fc13aa5a56381dd13b900a43cc62a5548d9

  • SSDEEP

    12288:bNfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:bFLOS2opPIXV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe
      "C:\Users\Admin\AppData\Local\Temp\a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9FF.bat
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1124
        • C:\Users\Admin\AppData\Local\Temp\a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe
          "C:\Users\Admin\AppData\Local\Temp\a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe"
          4⤵
          • Executes dropped EXE
          PID:2568
      • 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:2044
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2772
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
              PID:2820

    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

            254KB

            MD5

            9fff503fad7fa1d9cc7453fdf86ff0e0

            SHA1

            f9b728ba2e8bf2b3a570583f06b0fd7e9fce4ef2

            SHA256

            826148f8b31a5372a71adf8f51961e1b59de63c8865393feffb99ece5e113147

            SHA512

            c00773863ea4b6d88ba1c5a9dcfd2f1033e540c854f2f041bb193f367a9153d54d9fcec0c71e4e9834bbe98a6a5be030b045d34e3b54d69cddfd4d427895af4f

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

            Filesize

            411KB

            MD5

            9c1671821855ca12975573629ddd484a

            SHA1

            ba971ed691b0a86d1edcd8d6f1cbd1ceba8e6acb

            SHA256

            7441f57dcd2c39df50c7b9a40c858958f1ae0cf10eee1b8e348f8469a8cae3f8

            SHA512

            e3e26e0afbcdc285686d26187c2e39ff1716a794a58cd3615bcf4e3494a0cde80cc41f0be3ca4a87e0018f2c707599041dc86627a581b1c06297c7aab52d9c89

          • C:\Users\Admin\AppData\Local\Temp\$$a9FF.bat

            Filesize

            721B

            MD5

            3f1d5bb04a46a910ae7c09f08e7b5e0f

            SHA1

            c8cb5c6ebe27ed64edc1cc2f390253f12658688b

            SHA256

            99b7d0914547ac04e76d777e601115d3ac3a3c63b26b84e91cfce7b2e3651123

            SHA512

            1add55776163dea7bffaaa1361d1c35d0764d205e876300fa23dcda1d8eb39823391ee78e8614977ec62ee325306372965c80fc3023de195dff5fbbcb1ce0d1f

          • C:\Users\Admin\AppData\Local\Temp\a53b026e7ca85127af47b5f5fa684c9bbc5e0e481d6fbe8a4f9bce4d6e56c863.exe.exe

            Filesize

            684KB

            MD5

            50f289df0c19484e970849aac4e6f977

            SHA1

            3dc77c8830836ab844975eb002149b66da2e10be

            SHA256

            b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

            SHA512

            877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

          • C:\Windows\Logo1_.exe

            Filesize

            29KB

            MD5

            ba189b5e31c56a2e16e9c7accf623760

            SHA1

            52470f4d5e556832e9e4ff4625751ae62219d0ee

            SHA256

            037c1fc35982012dddedd497646d12ef35654415a14d4bbd467dca672954a3ed

            SHA512

            8da8c08b8af3450f715d2a04b492f2f459a93695bdf7514441705d041d5aba0df6edbb7a5e69e9a8bcbabd9f3c692e2522365ef2e889db3857043118c6df05b0

          • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

            Filesize

            9B

            MD5

            60b1ffe4d5892b7ae054738eec1fd425

            SHA1

            80d4e944617f4132b1c6917345b158f3693f35c8

            SHA256

            5e9944cc48c7ec641cf7b1b0125f47f26102c371a973612f0583f604bc3900d4

            SHA512

            7f5c200924dbb5531df997e6a35cb94f36b54f5651284b0d6404f0576301125ef72b410a170fca889d46c033063663cfc7791f9e4c3c30695af069053eee66cc

          • memory/1372-32-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

            Filesize

            4KB

          • memory/2044-41-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-34-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-18-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-47-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-93-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-99-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-593-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-1852-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-2464-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2044-3312-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2364-0-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB

          • memory/2364-17-0x0000000000220000-0x0000000000256000-memory.dmp

            Filesize

            216KB

          • memory/2364-15-0x0000000000400000-0x0000000000436000-memory.dmp

            Filesize

            216KB