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Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 15:02

General

  • Target

    341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe

  • Size

    84KB

  • MD5

    643728a4f0251aa53eae065f3ba727f9

  • SHA1

    0c2cad3f1694588662982b8fcb45885e3ce50713

  • SHA256

    341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c

  • SHA512

    fba3f94e7973f7d58fe4540f28b7254e9f4c36fc0dbb270baa6e0f4a561e24d7e8daa8cce73f7adbae95cc2b230050179be14c5ac8f87a6b9bf0553945070412

  • SSDEEP

    1536:AfgLdQAQfcfymNsL4p5nkjXut+Mm6Q498gQwRFbBijuz9YCxrfZQIUk04Xf:AftffjmNsL4p5nkjXut+MtQ498gtRDrD

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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3384
      • C:\Users\Admin\AppData\Local\Temp\341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe
        "C:\Users\Admin\AppData\Local\Temp\341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:384
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3D95.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Users\Admin\AppData\Local\Temp\341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe
            "C:\Users\Admin\AppData\Local\Temp\341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe"
            4⤵
            • Executes dropped EXE
            PID:3188
        • 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:3336
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2216
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4476

      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

        7bccc2687df85a1835e6bbcf1b5ebdd4

        SHA1

        1a925ae4a0c41080cd05c90996666142c6c02119

        SHA256

        feca718c189c33d8766c401d21b38e8eb079893a4a98b0384f43892918d11bde

        SHA512

        58d00e2e1d6d1c067f3dd7600f6e60efe543f431f537132bac83e35f09cf8f22d7c5db80f7ce8382714eb94cd3c7c5fd73374c03ce0a9bb62327a0cb77a2ec3a

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        c5a88e3597217a1f626e9d7f21ef017c

        SHA1

        20065f6da3ba04ad7f0d4981beec62a2a7202d06

        SHA256

        7a785cb0ec6396135525b3a873444a18b1770489b2fc5c5abb6c07eed4ae77af

        SHA512

        908e2a4513cc156eace5747c326b9483aee09413070e4763e224e63ee3038fd095dff884e6cd84da055abb5301c164562d6355231f15e4554fee7ab70a28e5f7

      • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

        Filesize

        481KB

        MD5

        1db5b390daa2d070657fbdb4f5d2cc55

        SHA1

        77e633e49df484b827080753514cc376749b0ceb

        SHA256

        d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad

        SHA512

        68aa0152f5aae79a146c1813915fd16ec5454b285bd1781370923f97d6c147d53684192f7f4161e5c1a340959ec432ecaac127b0abe7d08f70c387e08ee4f617

      • C:\Users\Admin\AppData\Local\Temp\$$a3D95.bat

        Filesize

        722B

        MD5

        d485d76de818164406d7a5a275f32e37

        SHA1

        dddc0c2d0a5765af7c42731798d8b8e98759a468

        SHA256

        a96eb6b33c4681aed6bf0a33d804df71ec1045cd173e7b44904eecb15e22b083

        SHA512

        39b9554f5873a49d49da8d1e64448fb042dd61890ce59134a10b13b445224269de342c3e9f6be739603a454922eedef207a1f04a2ce4af091ead961f8cda8a70

      • C:\Users\Admin\AppData\Local\Temp\341e37a9516c9b21c4d353881dee71c15bb8372b427a5d514c2e1d4624744a5c.exe.exe

        Filesize

        58KB

        MD5

        7cf88ab9caf907ad8343eb90aa543812

        SHA1

        64e7c7a02968d9c0e6978dae303877091753dcb0

        SHA256

        6ed4924969f26ab0cf8119c3a15579314213bc6bf634d2e369b6082d6faceb4b

        SHA512

        e544b214b2ac2c7fdcac41664b335f3bbdea0dcb5e01913cc8be326f9daecae8524727894819fb6cf45e311b1c91de93e695e3a26c70903d51afbaa43e0ed08c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        f131c8a61871d776a2bd93bd9c68f965

        SHA1

        85a2d2377f7b90bb4387dcbbae3ad0dec87f8ada

        SHA256

        0bfaec6d73d24f0736ee92b9deba61082f08cdba8482866361fbb57acae7c3d4

        SHA512

        087e9f83e8a9b3c050de6e8fa4989bf614f23a515710f151b84a15f1444e1352b8ef1d7e4e2ae3bcae98bf7281c8597ed85ec9ea84da27651304577a0b7d32d7

      • F:\$RECYCLE.BIN\S-1-5-21-275798769-4264537674-1142822080-1000\_desktop.ini

        Filesize

        9B

        MD5

        9d515d16952bdb1cf51672ad091046bc

        SHA1

        5fe954c6d41499122182eb48cf6f9d203b9eae7c

        SHA256

        12ddf5d72be26a3f4fb46d905661e24bf30948454c9701f20e50436a238a25db

        SHA512

        d0f7522406355a837e55f5a99b6969ed4b0ccbc2e427b83a917eedffc37899b139c2b33ea73a90469a6045b3b71848bf97641528644a4a3f55d666223fa31d4b

      • memory/384-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/384-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3188-35-0x0000000005A90000-0x0000000005AA0000-memory.dmp

        Filesize

        64KB

      • memory/3188-21-0x0000000005800000-0x0000000005892000-memory.dmp

        Filesize

        584KB

      • memory/3188-23-0x00000000058C0000-0x00000000058CA000-memory.dmp

        Filesize

        40KB

      • memory/3188-24-0x0000000005A90000-0x0000000005AA0000-memory.dmp

        Filesize

        64KB

      • memory/3188-19-0x0000000000E10000-0x0000000000E24000-memory.dmp

        Filesize

        80KB

      • memory/3188-20-0x0000000005EA0000-0x0000000006444000-memory.dmp

        Filesize

        5.6MB

      • memory/3188-22-0x0000000005A90000-0x0000000005AA0000-memory.dmp

        Filesize

        64KB

      • memory/3188-34-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/3188-18-0x0000000074C80000-0x0000000075430000-memory.dmp

        Filesize

        7.7MB

      • memory/3188-36-0x0000000005A90000-0x0000000005AA0000-memory.dmp

        Filesize

        64KB

      • memory/3336-42-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-47-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-51-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-122-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-1185-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-4750-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3336-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB