Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 06:17

General

  • Target

    de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe

  • Size

    387KB

  • MD5

    c1d9163f2b3e732451a61948fa6ddb80

  • SHA1

    e8994bab8d639c31081f0db84991ceece460828d

  • SHA256

    de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b

  • SHA512

    1d918f0c65178244b1a572854eae46af3c417b3b4fdd7cde75998f49e1dbbe5e8cefdfcf62d424a4f6f775ae9ae006f4b2574635b92655041f17ff8e2c7ec1fe

  • SSDEEP

    6144:FFpIP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moHXG:3pFahVy41

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:3452
      • C:\Users\Admin\AppData\Local\Temp\de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe
        "C:\Users\Admin\AppData\Local\Temp\de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4323.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4124
          • C:\Users\Admin\AppData\Local\Temp\de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe
            "C:\Users\Admin\AppData\Local\Temp\de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe"
            4⤵
            • Executes dropped EXE
            PID:3320
        • 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:1500
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2064
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2892

      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

        252KB

        MD5

        4e048bca0fcd41a271607320727c8c41

        SHA1

        80e2ede1d6e30f031ecbec1d36510b58ef0e2895

        SHA256

        28ba4edf8042fe1848f73b4a2df0fb60bb486bd2c5a37edffb45e4313deb9f30

        SHA512

        c4f055a4b099b9666fd153499ce9b622c4b2ab0f7a6cdecff660cb108715e48d4fce4d321254d9ccac01acb56f528e6cea0fab8dbb280484556b6ab0d24d6824

      • C:\Program Files\ExpandSend.exe

        Filesize

        231KB

        MD5

        101d3735d96bd1e3822026b905cd6ab3

        SHA1

        50468a2e0720e762f6f7959599985fdadd87e609

        SHA256

        916c6f66de21a4b319c8a181d0160eb2b1f54ff431ad119468ca582d9df816b7

        SHA512

        a4129bbf5f1c92323bb03cadd035558848711f9d1aade22121ec1319d91325a37558556521f594f45220b890c572fa43cde2ae4b7d52f5111460f8030cab68a4

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

        Filesize

        637KB

        MD5

        9cba1e86016b20490fff38fb45ff4963

        SHA1

        378720d36869d50d06e9ffeef87488fbc2a8c8f7

        SHA256

        a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

        SHA512

        2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

      • C:\Users\Admin\AppData\Local\Temp\$$a4323.bat

        Filesize

        722B

        MD5

        0feb2e0dcb79e5af84e477d317ec6ad2

        SHA1

        cebe559de9c78e194f14951804d538d36e988da0

        SHA256

        17cd1f9f71b532a7f30c14fea061bf7deb8c0b758d8c5ea58886913994419114

        SHA512

        4f57070785e7a30f3124d81810eee929804e436849416bd686249097cdc33046d9ac10d59dd8c23d9a72d19150a8a1edbbeb6bfb36f2c576f62a9b9c09070c59

      • C:\Users\Admin\AppData\Local\Temp\de65000a0843457458b250a40c48e0bdaa8872af5e2d282107752fe0968e440b.exe.exe

        Filesize

        360KB

        MD5

        5fbd45261a2de3bb42f489e825a9a935

        SHA1

        ff388f6e9efe651ec62c4152c1739783e7899293

        SHA256

        9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

        SHA512

        7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        8c37f7c2553a1bea86b33630faf6bf88

        SHA1

        38c0360645191f06c7f5ef65d0f12e0c92f4d977

        SHA256

        84e3f53308957006d9a3b2975af76693883b04fff9dd2970618ac336b82d1dfc

        SHA512

        590e6531921ecc3b70c8895f19c469ccedf5d0f34686063389b136df86521df6db4c430b062c4f67a399aa9d93f9c31dab9e1c7a69ee00fa84e6120d3c01175c

      • F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini

        Filesize

        9B

        MD5

        3ba8d99ae07bfe971a8f27f082803beb

        SHA1

        dbcc6b45ae3dc7be2faab524a0fc7415146f128d

        SHA256

        df296de0196b4b56afab78a4a7d68c1cffc9f7f91ebb05dde41f6c382dbd9af3

        SHA512

        ace344b467ecbdf133c69fd4ead288213167a0cd991088b987083df9a9a5b49d9c1588343a81fea32a5e7e3e3d621beaca6924bbcf92471578133c9c111785b5

      • memory/1500-26-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-32-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-36-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-1231-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-10-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-4797-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1500-5236-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2960-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2960-8-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB