Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 12:32

General

  • Target

    3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe

  • Size

    44KB

  • MD5

    5bdeac27a008158522a1e2fec3b9cb34

  • SHA1

    592269cbcecf5cf8e0ae540b7786d5a918fb379c

  • SHA256

    3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097

  • SHA512

    62d4b55e19f820371fb87f0e5f463cfacf73f7cb6965b33fe5547222ad258d4f72f9dafd466b62d2020a2a8bbbac35f6426047accd9671399050c9502e3f028e

  • SSDEEP

    768:eX1ODKAaDMG8H92RwZNQSw+IlJIJJREIOAEeF12ZqpSIdUcvwQ9Uf2hW:ufgLdQAQfhJIJ0IO61KqpnxZUfX

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 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
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe
        "C:\Users\Admin\AppData\Local\Temp\3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6707.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4608
          • C:\Users\Admin\AppData\Local\Temp\3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe
            "C:\Users\Admin\AppData\Local\Temp\3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe"
            4⤵
            • Executes dropped EXE
            PID:3024
        • 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:4656
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2544
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4276
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3356

      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

        20157578c082f76ace74dbbd1118432e

        SHA1

        456923120de4eb2d9efa48aacf8d09bf08e0308d

        SHA256

        b143d8fe8a3e199453eac9ccc15de01e26882e9e1da8021b6ee045dbe0290468

        SHA512

        0916ccac8ca22868cd900a1bf62cafe6522cfe40649fcedfeec650badde7ed6cfc6949509209d85d46da67f616dddfe58ae6e5e209dcf5de9956157825b66a98

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        3d447cacf3d8c6a3027cee02fd87184f

        SHA1

        c47ffb6f1eba8edc0440854f0b04e9ce2b0aeb51

        SHA256

        c47f9a406779bde2b708abd3661622a866b8779debe32f7c756e565ee03d7264

        SHA512

        01c17dd34d8cd7063505a5f8a992291bee549942539ee67e5705fe9023617f040c9224f337ff06ce020b5159332befac610e9dea930581c3dd07680525dc07a0

      • C:\Users\Admin\AppData\Local\Temp\$$a6707.bat

        Filesize

        722B

        MD5

        8e82d03bd39c41d099b23d509b51ff4f

        SHA1

        cc558fc97979c78f3e6fced561d9942bd5957fd4

        SHA256

        ecfe6d75a4e3f32fbbad4ceaf594dbd8696a681b0a6cf3f85f78c6a572808a56

        SHA512

        c9be368950bf39bd73611f90cb500938eee54942f32a099af81147664b6e1f5c182c837139f07e3ad2385ad4001505385b8b7d898b07e7e17aaf026fc1dc9a15

      • C:\Users\Admin\AppData\Local\Temp\3af4017e49292c9b821fd4eb01d4872d953c9867e9c941676097df4790420097.exe.exe

        Filesize

        18KB

        MD5

        f344d9d7bfe9968c258ceb0bcc91a386

        SHA1

        ec85058a634313725b308f883af6f8ba0c729b4b

        SHA256

        1b65136281048ad44c8a51a8332799f800347e05fb3a21f5e3305dcce1d72d4e

        SHA512

        86c74994b75ab0bc2f3c9cb38bc1b3bb51db5c6df2eba783b30f9b7f9a5c54b84f8a9c3bdb6ef6e0c64edeabfddfb0204570a147348406d8a3e30c661dc5822f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        27474799bcd86ee6bc4dfdb0fabe45c3

        SHA1

        d2203d7dedafcaf3d1ddd21a51b92c15b1ad67b5

        SHA256

        237fe393824ae9f88eaf70c5e760de08384ed3c221769f499c2caef1aeb86290

        SHA512

        d84c4bd3709c00c83ee0466af993ae18a215c982395f6e2d11945e6a79eeff6c56192410a36427751bbfe58021cc7390fd28344efb5b47d4c7c719ff3a02b464

      • F:\$RECYCLE.BIN\S-1-5-21-3045580317-3728985860-206385570-1000\_desktop.ini

        Filesize

        8B

        MD5

        658d36413fa4de67d2edb254a0383bbf

        SHA1

        bd660e7319a5040c3af6edca0911a4ab4bdc33df

        SHA256

        0118c20e2d539544ae8e73767b080d41f4ff57be18407222143ebea26d6affa2

        SHA512

        f368a5a7d963fec63b9d599a1da34ae9eea37261f8c4d267d73624f5a36a0402f1f780317e094b240de3980a0a144929ea2076a23b134267cb0209b3172e1b7b

      • memory/1468-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1468-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-553-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-1175-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-3746-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4656-4741-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB