Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 15:38

General

  • Target
    1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe
  • Size 666KB
  • Sample240531-s25jlsdd87
  • SHA256 1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe
        "C:\Users\Admin\AppData\Local\Temp\1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:448
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3128
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3350.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1812
            • C:\Users\Admin\AppData\Local\Temp\1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe
              "C:\Users\Admin\AppData\Local\Temp\1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe"
              4⤵
              • Executes dropped EXE
              PID:4756
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:3812
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2128
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2248
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4432
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3192
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:4124

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  UpdateResolve.exe

                  • Path C:\Program Files\UpdateResolve.exe
                  • Size 223KB
                  • SHA256 2274aa96593da37ee081d6fb770a18f600c3f69fca57c3177a3a2061bbdd421b
                  • MD5 SHA1 SHA512 SSDEEP

                  vcredist_x86.exe

                  • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
                  • Size 488KB
                  • SHA256 98ef7492272a218a50165d981a4a1395b9805072bcf197339e5f920b38c60962
                  • MD5 SHA1 SHA512 SSDEEP

                  $$a3350.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a3350.bat
                  • Size 722B
                  • SHA256 bf53165e44d6db3a6c1e4e103522bedd95031d2a18436e7a3fc583ede3cb5e6b
                  • MD5 SHA1 SHA512

                  1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\1ada4bd3a27f8ad13544e8a9a8c8da56124ad0f78f5ff0af700abff6fad07c7d.exe.exe
                  • Size 633KB
                  • SHA256 cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c
                  • MD5 SHA1 SHA512 SSDEEP

                  Logo1_.exe

                  • Path C:\Windows\Logo1_.exe
                  • Size 33KB
                  • SHA256 c771274939a5550080acaa8e6f67019e5fa81ac8a4715e1011aabf475e93db80
                  • MD5 SHA1 SHA512 SSDEEP

                  _desktop.ini

                  • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini
                  • Size 9B
                  • SHA256 8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d
                  • MD5 SHA1 SHA512

                  memory/3812-239-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-9-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-2138-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-3785-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-5561-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-7766-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/3812-8826-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/4844-11-0x0000000000400000-0x000000000043F000-memory.dmp

                  memory/4844-0-0x0000000000400000-0x000000000043F000-memory.dmp