Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 15:42

General

  • Target
    ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe
  • Size 393KB
  • Sample240603-s5mszacd63
  • SHA256 ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3
  • 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:3456
      • C:\Users\Admin\AppData\Local\Temp\ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe
        "C:\Users\Admin\AppData\Local\Temp\ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4188
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4784
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:848
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6D12.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:544
            • C:\Users\Admin\AppData\Local\Temp\ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe
              "C:\Users\Admin\AppData\Local\Temp\ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe"
              4⤵
              • Executes dropped EXE
              PID:3312
          • 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:4456
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2608
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:532
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2888
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4484

          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 d83106c268ab64ec08d40f302737dfa31f64b8cf001808c9be207a6a51783596
                • MD5 SHA1 SHA512 SSDEEP

                7z.exe

                • Path C:\Program Files\7-Zip\7z.exe
                • Size 577KB
                • SHA256 f79e6d72c11672df394a2c2f09f0a5e74c842d6e45b00b85d1f34024035a9b04
                • 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 643KB
                • SHA256 a31829ad88d68b47eea131646207d5b3b53468a9bdd665365f608b6ce186b8ba
                • MD5 SHA1 SHA512 SSDEEP

                $$a6D12.bat

                • Path C:\Users\Admin\AppData\Local\Temp\$$a6D12.bat
                • Size 722B
                • SHA256 91f1b268e1ad284462b0e1bc754ba4c676c8b02596067b65c0460136fe813fde
                • MD5 SHA1 SHA512

                ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ad90fd1b6be937a8ee939f6789fb5db7f9c6a49b7b7dd9b8b401d2e4ef94a7a3.exe.exe
                • Size 360KB
                • SHA256 9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4
                • MD5 SHA1 SHA512 SSDEEP

                Logo1_.exe

                • Path C:\Windows\Logo1_.exe
                • Size 33KB
                • SHA256 270c0ba07fbc7ae9462afa9525d71ee9af3d48c76fa7f35513197ed9ddfd5d63
                • MD5 SHA1 SHA512 SSDEEP

                _desktop.ini

                • Path F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini
                • Size 8B
                • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
                • MD5 SHA1 SHA512

                memory/4188-10-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4188-0-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4456-9-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4456-4840-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4456-18-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4456-8647-0x0000000000400000-0x000000000043D000-memory.dmp