Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 15:29

General

  • Target
    dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe
  • Size 723KB
  • Sample240603-sxesdsca84
  • SHA256 dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589
  • 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:3532
      • C:\Users\Admin\AppData\Local\Temp\dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe
        "C:\Users\Admin\AppData\Local\Temp\dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:728
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1008
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3808.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1048
            • C:\Users\Admin\AppData\Local\Temp\dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe
              "C:\Users\Admin\AppData\Local\Temp\dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe"
              4⤵
              • Executes dropped EXE
              PID:4252
          • 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:3060
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4448
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1492
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1476
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2104

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                GoogleUpdateCore.exe

                • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
                • Size 264KB
                • SHA256 9da3db4094a033f920f9aad3266e823e9d592ad78acac24dd0e358ebb059ec3b
                • MD5 SHA1 SHA512 SSDEEP

                7z.exe

                • Path C:\Program Files\7-Zip\7z.exe
                • Size 583KB
                • SHA256 9f9434143eb8b7666b0d0c8c88cc350c0c03ba8ae0ba25e611056fcd5a955c19
                • MD5 SHA1 SHA512 SSDEEP

                windowsdesktop-runtime-8.0.2-win-x64.exe

                • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
                • Size 649KB
                • SHA256 834cd914a6bc7c3eadf3b23bacc01433aa6a32411ab547d958604a1c434518b7
                • MD5 SHA1 SHA512 SSDEEP

                $$a3808.bat

                • Path C:\Users\Admin\AppData\Local\Temp\$$a3808.bat
                • Size 722B
                • SHA256 72def09fe3689da83b4f1e2df8a4fb45e6131352b462567d270e783f2e6758ee
                • MD5 SHA1 SHA512

                dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe.exe

                • Path C:\Users\Admin\AppData\Local\Temp\dd8c016c9592837494f207453582da377e55b50705c427a11463b4d8e75c2589.exe.exe
                • Size 684KB
                • SHA256 b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305
                • MD5 SHA1 SHA512 SSDEEP

                Logo1_.exe

                • Path C:\Windows\Logo1_.exe
                • Size 39KB
                • SHA256 28612d2c64ed84d1ec223c74aac02dffb75840364574930c5bbc4eea629be22b
                • MD5 SHA1 SHA512 SSDEEP

                _desktop.ini

                • Path F:\$RECYCLE.BIN\S-1-5-21-711569230-3659488422-571408806-1000\_desktop.ini
                • Size 8B
                • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
                • MD5 SHA1 SHA512

                memory/728-9-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/728-0-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/3060-18-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/3060-2680-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/3060-11-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/3060-8706-0x0000000000400000-0x000000000043D000-memory.dmp