Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 19:58

General

  • Target
    9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe
  • Size 130KB
  • Sample240407-ypys7ada3w
  • SHA256 9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe
        "C:\Users\Admin\AppData\Local\Temp\9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4068
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1920
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:5028
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7167.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4736
            • C:\Users\Admin\AppData\Local\Temp\9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe
              "C:\Users\Admin\AppData\Local\Temp\9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4316
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:5040
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2476
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2032
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2404
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:704
          • 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=4100 --field-trial-handle=2588,i,14229658658073991926,6938034815163866135,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3892

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  GoogleUpdateCore.exe

                  • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
                  • Size 258KB
                  • SHA256 dee2cf210ee5f75549462b7cb03674155eb011190c77e332d53edcf655bcc237
                  • MD5 SHA1 SHA512 SSDEEP

                  7z.exe

                  • Path C:\Program Files\7-Zip\7z.exe
                  • Size 577KB
                  • SHA256 1371f108190c128f882a8babd65e575855c16a158530163f97d4aaec08204a3a
                  • MD5 SHA1 SHA512 SSDEEP

                  vcredist_x86.exe

                  • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
                  • Size 488KB
                  • SHA256 37cf90de70064c0ecf765ae35e8b0cf412c90cca2aaa2513cfba95b408b4e604
                  • MD5 SHA1 SHA512 SSDEEP

                  $$a7167.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a7167.bat
                  • Size 722B
                  • SHA256 bad59992bd05c689a5980b8dd7e9df0eac6315039e7f8240955bdb41d26651f6
                  • MD5 SHA1 SHA512

                  9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\9a4e9e734733ef52767bbadc94a028cb5785703e42027aebbaea9416acdf6f51.exe.exe
                  • Size 97KB
                  • SHA256 6b42e2e9822b99f5f13a6d1f639fa64cc93001266ceb7a7d342da1bce84d5c08
                  • MD5 SHA1 SHA512 SSDEEP

                  Logo1_.exe

                  • Path C:\Windows\Logo1_.exe
                  • Size 33KB
                  • SHA256 7e4e7447ce04580a3af3a9bf90810712d6daebc0ced6c6856eae22771ac50956
                  • MD5 SHA1 SHA512 SSDEEP

                  hosts

                  • Path C:\Windows\system32\drivers\etc\hosts
                  • Size 842B
                  • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
                  • MD5 SHA1 SHA512

                  _desktop.ini

                  • Path F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\_desktop.ini
                  • Size 8B
                  • SHA256 2d3dbb80989e5cc7ef9ef800cc986bb8dccf4ca1f78437040bccd59312a55593
                  • MD5 SHA1 SHA512

                  memory/4068-9-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4068-0-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4316-18-0x00000000021A0000-0x00000000021A1000-memory.dmp

                  memory/4316-22-0x00000000021A0000-0x00000000021A1000-memory.dmp

                  memory/5040-20-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-2772-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-395-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-11-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-5817-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-8606-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/5040-8965-0x0000000000400000-0x000000000043E000-memory.dmp