Analysis

  • max time kernel
    149s
  • max time network
    141s
  • 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, 16:30

General

  • Target
    ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe
  • Size 5.7MB
  • Sample240603-tz3gxade83
  • SHA256 ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627
  • 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 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe
        "C:\Users\Admin\AppData\Local\Temp\ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4516
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2188
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6C66.bat
            3⤵
              PID:1760
              • C:\Users\Admin\AppData\Local\Temp\ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe
                "C:\Users\Admin\AppData\Local\Temp\ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe"
                4⤵
                • Executes dropped EXE
                PID:3264
            • 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:2340
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4936
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:5008
                • C:\Windows\SysWOW64\net.exe
                  net stop "Kingsoft AntiVirus Service"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4560
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                    5⤵
                      PID:4960

            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 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

                  $$a6C66.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a6C66.bat
                  • Size 722B
                  • SHA256 916a56ac31b8ac017e6a9d94cc1bb3b043887606c2bd4f1119329e9da45ee7cf
                  • MD5 SHA1 SHA512

                  ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\ad0b1f2cbb4d4f746cb803f6b2f3d59f43831f737d3e4fcf6ef6371795514627.exe
                  • Size 5.7MB
                  • SHA256 f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628
                  • 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/2340-20-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/2340-13-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/2340-2800-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/2340-8690-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4360-11-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4360-0-0x0000000000400000-0x000000000043E000-memory.dmp