Analysis

  • max time kernel
    150s
  • max time network
    136s
  • 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, 16:29

General

  • Target
    a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe
  • Size 93KB
  • Sample240603-tzgkfacd3w
  • SHA256 a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379
  • 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 WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3520
      • C:\Users\Admin\AppData\Local\Temp\a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe
        "C:\Users\Admin\AppData\Local\Temp\a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4700
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3048
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7ED5.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3540
            • C:\Users\Admin\AppData\Local\Temp\a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe
              "C:\Users\Admin\AppData\Local\Temp\a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe"
              4⤵
              • Executes dropped EXE
              PID:756
          • 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:2164
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2612
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2808
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3304
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2556

          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 f1ef7ece112f6d203077b1191c60aed1ba48c9d434e5b98b0198317f9e4147e0
                • MD5 SHA1 SHA512 SSDEEP

                7z.exe

                • Path C:\Program Files\7-Zip\7z.exe
                • Size 577KB
                • SHA256 55a9b4b5c43c8a630edf8e30c95072302c460727dc8e1e0c020682e87d0ae5c1
                • 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 644KB
                • SHA256 c29e1871d4cdc7c671f96eee5a2961346f30617603e4eef7323f2fe4761fd38d
                • MD5 SHA1 SHA512 SSDEEP

                $$a7ED5.bat

                • Path C:\Users\Admin\AppData\Local\Temp\$$a7ED5.bat
                • Size 722B
                • SHA256 3511f8010be08ed5de33f1dec5456d55e412fd30e26365244d6b52f9fdd90c1f
                • MD5 SHA1 SHA512

                a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe.exe

                • Path C:\Users\Admin\AppData\Local\Temp\a524aa694df2eeaf03ca616b1c148ee1e8d53a202bd5577af7bc871a3a8af379.exe.exe
                • Size 59KB
                • SHA256 ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf
                • MD5 SHA1 SHA512 SSDEEP

                Logo1_.exe

                • Path C:\Windows\Logo1_.exe
                • Size 33KB
                • SHA256 8736ed7b42035f65515a84b24ccd12302af3732a51e5690888626dc7e9ae98dd
                • 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-1-5-21-711569230-3659488422-571408806-1000\_desktop.ini
                • Size 8B
                • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
                • MD5 SHA1 SHA512

                memory/680-0-0x0000000000400000-0x000000000043E000-memory.dmp

                memory/680-12-0x0000000000400000-0x000000000043E000-memory.dmp

                memory/2164-13-0x0000000000400000-0x000000000043E000-memory.dmp

                memory/2164-20-0x0000000000400000-0x000000000043E000-memory.dmp

                memory/2164-4153-0x0000000000400000-0x000000000043E000-memory.dmp

                memory/2164-8705-0x0000000000400000-0x000000000043E000-memory.dmp