Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 18:34

General

  • Target

    ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe

  • Size

    107KB

  • MD5

    433ca4820e507ac52f5c453012cc170d

  • SHA1

    33022d69883f57c3cdbb647d9157546151fdca6d

  • SHA256

    ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c

  • SHA512

    6c0a68bbd88bd84ec1cb0515fada1b1fa8b3a21c9c3c038fc585b41ac20c497c7838ed60925c0278df9f6c609147f9a5fe0eb41ed20b02dbce19d6f99b1d6e68

  • SSDEEP

    3072:OftffjmN8omnzVincQDKgct5GpRgpzxjHsT4fEB:2VfjmN8tZkRg1sB

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 2 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:3504
      • C:\Users\Admin\AppData\Local\Temp\ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe
        "C:\Users\Admin\AppData\Local\Temp\ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:552
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3C1E.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1324
          • C:\Users\Admin\AppData\Local\Temp\ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe
            "C:\Users\Admin\AppData\Local\Temp\ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe"
            4⤵
            • Executes dropped EXE
            PID:2476
        • 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:316
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1188
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3880

      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

        8991024465539ea4a1f8eecd0015cf21

        SHA1

        59355629756d24fff3379a3ad8581216a0aa9599

        SHA256

        bf17aa18a7c1da825e039ac6ee6245def75cba0a2f7e06ed9d773ba49c262621

        SHA512

        2c4097a2c1d93f375f8df443dab3a02d5dec29e64a62620894ac538e8de22349f9928169ad49cae3ceeaf838869a72a47ed79042e9e5099ce51b5587c8ff7ed5

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        213d988192c0754cd29989df61bf178f

        SHA1

        336f0a27b1ad6e06a743b4d7f9f3e026ee79a0b2

        SHA256

        7b9d46212245d0112a4a706cfc5004544c315e97a4ea1101de55516ca7e5ec6e

        SHA512

        6a963b35b240714d030419deabd718351233958be4d43762da76517f40c47f2d74c1a66ecf49305d275c3ebaf5f60f88794900bffc609fe32c4e4ff6dceb98f2

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        636KB

        MD5

        2500f702e2b9632127c14e4eaae5d424

        SHA1

        8726fef12958265214eeb58001c995629834b13a

        SHA256

        82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

        SHA512

        f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

      • C:\Users\Admin\AppData\Local\Temp\$$a3C1E.bat

        Filesize

        722B

        MD5

        57f5c71628f5e1097c0e24b9bc531377

        SHA1

        734b5140d042acb365935965c35be617f93b9ff3

        SHA256

        961a8f3feaf8b635ea50208b63d4075b6dbe6ceac08cce59ceef403e8dc37782

        SHA512

        bd5d6a05baf4e3e8a40f7f79dc37b9a549d7425412ac81a6444ba70d965b60bb2824b3f91c70bf4b5b76468e7c17e59e57709720555ff2d923d04d47732aac45

      • C:\Users\Admin\AppData\Local\Temp\ff3e3c166d82e26136c98610a54421d49f2632e032d462d457d7bbafe2cc844c.exe.exe

        Filesize

        81KB

        MD5

        fd12f63044721d25faa1036ed2770718

        SHA1

        1a42d4049196f52ea7069e26cbf8eb88db148771

        SHA256

        77c0fee86c0ababa4ce5834f7084092a34b3247dfb3446d902e2659b18855416

        SHA512

        27bb5fdeb89a982181fe8323684d3988b053804c48924842d3ef54f9700eb71708f96b0433c3593ead0ff94747e7e5b2914026e1bea98fd6b077af5ecc4d4e67

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        62c7cb5a0a1111ffa4eec7a19446b0a8

        SHA1

        817533c991e46bcaa3e46682b95ca2ac7c9f0b73

        SHA256

        c3f7959531f637630e5be9fbc86f4d341797fd6f813444df88c37fb6b94e2743

        SHA512

        46f1faf67ee6c017445b2e4574da91f5393a11e28af9133de1000b525db746da72219c00c1bfbf5822698365cca52e1956f006f6a7433cdf8903e26e586ac997

      • F:\$RECYCLE.BIN\S-1-5-21-4018855536-2201274732-320770143-1000\_desktop.ini

        Filesize

        9B

        MD5

        3b22ce0fee2d1aaf2c66dcd142740e29

        SHA1

        94d542b4bb9854a9419753c38e6ffe747653d91c

        SHA256

        8284772f28954a109c16f1583e6e34e29f06673b34e04f268bda961b57ba9f79

        SHA512

        efd4900a49624170e51ea401f0845634f49484a49335845258dc3d41a12e2022bf413a6751fcbcfd1ec68cde506f3363beae57f20e8eaca8b214d28baa138c5b

      • memory/316-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-1230-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-4796-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/316-5235-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/552-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/552-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB