Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:09

General

  • Target

    558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe

  • Size

    39KB

  • MD5

    c1c4393bd2098d79eefa6ac914668e70

  • SHA1

    5f18df44f05b51013ec8334a23b8f036638245a1

  • SHA256

    558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4

  • SHA512

    596a0f6d205d3cfdec032ec9dfbd3f660debf0917ee65c5d19f9f0e6e68e82e354730c0992b177b00419f516ae762568fff873e5e4b32ce4c91b17ff07933f76

  • SSDEEP

    768:8RO5RroZJ76739/dZVdfpULiAYXjPrN+8WEjrZMYjV8mp8w:8Re+Zk7VJbwlYXjPrsqrZMYR5p8w

Malware Config

Signatures

  • Drops startup file 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3380
      • C:\Users\Admin\AppData\Local\Temp\558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe
        "C:\Users\Admin\AppData\Local\Temp\558c26ce0acd42db3a916cb557de680fd6f7733e9355b5daf950fe3b1dd53be4.exe"
        2⤵
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3296
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1436
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1420
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\dotnet\dotnet.exe

      Filesize

      183KB

      MD5

      5dab1c803b61aa0a39161aa211544f1a

      SHA1

      b78facb591dd2d4aad1b521af2bd0b8c48ec32bb

      SHA256

      0d89216047e3937d8cfc7f9d48cba16c65f341b37e94c6f763b98c3d22d5e9b2

      SHA512

      1c581a483998450e2c06674eed65b8788184b5ba20a15938c350fed44e7d39ec6281241de33f3c90df7788d35f659da4dd6a0f80a8ef744930551ac87e9dd9cf

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      649KB

      MD5

      3e7cc0550b3e262224a01196dcffca48

      SHA1

      84b97784946a4f4edc8528690aee26cff4a5c35d

      SHA256

      df205fe7ab5dd6c98547afe872f5b3bb66028f2cb14696fbc45610b0ef4723bf

      SHA512

      864943da2a29d2e8aaca17a10ed791f22b3387c85fe19c19dea1ab3b89b3d6540dbd187f867742967a696ba0b76ce6e576a2825cc9147d77ab79f3a4f2a4ab6a

    • F:\$RECYCLE.BIN\S-1-5-21-355097885-2402257403-2971294179-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/3296-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3296-3-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3296-3081-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3296-8865-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB