Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2024, 18:44

General

  • Target
    938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe
  • Size 5.7MB
  • Sample240609-xdfykaed35
  • SHA256 938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70
  • 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:3436
      • C:\Users\Admin\AppData\Local\Temp\938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe
        "C:\Users\Admin\AppData\Local\Temp\938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:968
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3368
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4B13.bat
            3⤵
              PID:5060
              • C:\Users\Admin\AppData\Local\Temp\938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe
                "C:\Users\Admin\AppData\Local\Temp\938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe"
                4⤵
                • Executes dropped EXE
                PID:1332
            • 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:4928
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4572
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1212
                • C:\Windows\SysWOW64\net.exe
                  net stop "Kingsoft AntiVirus Service"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3284
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                    5⤵
                      PID:3892

            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 7fa5727c71a47da122856c4af832bd40f9f9b04393ee2fecb82b5031ba0852e5
                  • MD5 SHA1 SHA512 SSDEEP

                  7z.exe

                  • Path C:\Program Files\7-Zip\7z.exe
                  • Size 577KB
                  • SHA256 4b2e66cc5fc849819829a4f3f97234c18d47b5b2902af2789e4c92de8d0b7cce
                  • 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 636c1c024e59354f13d9bb02fa8f3849112c4557ab790a37146b1c121e597b24
                  • MD5 SHA1 SHA512 SSDEEP

                  $$a4B13.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\$$a4B13.bat
                  • Size 722B
                  • SHA256 1efacb1de1409771c604a031adc93d46a768e11985912c5450faa0158ee46f80
                  • MD5 SHA1 SHA512

                  938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\938da0723e986bd4b5a818066f5914ed436ca2a0b6a80d31185f8093c6573a70.exe.exe
                  • Size 5.7MB
                  • SHA256 f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628
                  • MD5 SHA1 SHA512 SSDEEP

                  Logo1_.exe

                  • Path C:\Windows\Logo1_.exe
                  • Size 33KB
                  • SHA256 0f613830d4414afd617e8e2d765db67ba765ce6d6e97f11b564be43e87ae82a5
                  • 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-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini
                  • Size 8B
                  • SHA256 551cc5b618f0fa78108dd2388d9136893adb10499e4836e9728f4e96530bf02f
                  • MD5 SHA1 SHA512

                  memory/3596-0-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/3596-12-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4928-20-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4928-3181-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4928-10-0x0000000000400000-0x000000000043E000-memory.dmp

                  memory/4928-8634-0x0000000000400000-0x000000000043E000-memory.dmp