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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 15:09

General

  • Target

    8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe

  • Size

    1.0MB

  • MD5

    18d80f4a86a010d8c71a20fc92be62b3

  • SHA1

    9e288f8d3db9b7b63b114ca0e00c8fdb52dc23b7

  • SHA256

    8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c

  • SHA512

    01948c35fc280b2adce4cc1690125bc9911e44819ca1fc7e5ee567152f4cf47232148ffb318d97666b1e6b7362402f31aaa4a48ede0e7bc08affdfe93aeae6aa

  • SSDEEP

    12288:+7+ByGzzIKB2GjRTKdal60yMoFKimTBEAGlyV/vtvOhw5WxZevp:+7tGYWzkAd8fBlYKwnvp

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 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3480
      • C:\Users\Admin\AppData\Local\Temp\8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe
        "C:\Users\Admin\AppData\Local\Temp\8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2877.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:372
          • C:\Users\Admin\AppData\Local\Temp\8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe
            "C:\Users\Admin\AppData\Local\Temp\8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe"
            4⤵
            • Executes dropped EXE
            PID:5712
        • 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:3464
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5860
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1088

      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

        533ce215a7c274602dc456ca375cef93

        SHA1

        76c502d7c45eca3fd96f6b04eb850e751bc785dd

        SHA256

        d70c9f73bbeed5cbc0df4a4d14bae68789f84d8092281337d2919322b288ce9c

        SHA512

        09d9dee36c48567921de4b7c31c4a822d5f9ed5e0b1cb0330031b320f40b5ba9b15e89dc37d52561094642c0ff16c14d32e81ed5b1dac06150fefbbd6f3365bf

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        22943eaff64aa698a2c9f6988994b846

        SHA1

        f7aadb83188c8496e8dce8528fc036848704e58f

        SHA256

        bb89655aa7af7168303df0ed66d8467ae24a8b1278fcb3809fd79eff2d4b229f

        SHA512

        15d4ca73aa33fff5e2ff7dbfe32b42e8288a47c2ea6b370e40f7b8bfa8ed32695a9cc2f9e81b4d9c5e976b7f9cfc7d3f30c8af1911eb87988f6b3ada99f63747

      • 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\$$a2877.bat

        Filesize

        722B

        MD5

        22d180c25bc8fa0b9d5c9d2698805733

        SHA1

        bc0bfc17e7614105bde21beecfa87b09a12adc0e

        SHA256

        533dc2bf4adfa78c1cbee971b4b9cd9cac1eac4e3f6ee290fd97970bb798a579

        SHA512

        e90f16bde6ece5f44e534177cdcdae2c832cd23984499686c3861c17399f5602d6312f987c8ffe55d9029a3d0fa1ee9bed242868b23dfee9d58dd9709f28599b

      • C:\Users\Admin\AppData\Local\Temp\8c4b92b8336c96c213c4c87a92c0f3d3d8bb8874dcd8aac06152f8a784d2625c.exe.exe

        Filesize

        1.0MB

        MD5

        2a0b9e1cc0c5e6aaa97c5d46a26ed318

        SHA1

        19c7d344e5bac170ce2f49068dc1c1c9fe71a6fa

        SHA256

        b315bdcac92763162f4ef0807dc9ce87b2efd3e0b36b7d2645611f23e28aa69d

        SHA512

        802cb1386c6e060595c288073c896c89319969bdffefcb2212ba021cdb031a9ae8b436148938d4858cfe46f66cba6218b459eb93e81187cb73d1810160f08e0f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        e62adb904ebd7862a69e2a283a4b77b3

        SHA1

        c61a8a5f4845f6a423278303f9c07ffe7bbb4237

        SHA256

        04bf31e57ff334026e97af9022954d7fd2cbfc813c15fe9988e1b5776a695108

        SHA512

        13831dc87dd569a91e7f2954ce04fa1c25bf1c019ca2ed4d178210c6af089b8316ace8cf0647dc5e58464ff3a30d890467d19c30f79585922734b948eb7824a1

      • F:\$RECYCLE.BIN\S-1-5-21-399997616-3400990511-967324271-1000\_desktop.ini

        Filesize

        9B

        MD5

        9d515d16952bdb1cf51672ad091046bc

        SHA1

        5fe954c6d41499122182eb48cf6f9d203b9eae7c

        SHA256

        12ddf5d72be26a3f4fb46d905661e24bf30948454c9701f20e50436a238a25db

        SHA512

        d0f7522406355a837e55f5a99b6969ed4b0ccbc2e427b83a917eedffc37899b139c2b33ea73a90469a6045b3b71848bf97641528644a4a3f55d666223fa31d4b

      • memory/2008-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2008-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-1174-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-4740-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3464-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB