Analysis

  • max time kernel
    155s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 16:13

General

  • Target

    c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe

  • Size

    905KB

  • MD5

    0d5bc7a4af4e4296ee61a9c53b011380

  • SHA1

    43afe313c0a65b9ced8953dc5cc490d56f2e36e3

  • SHA256

    c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf

  • SHA512

    aa730f77b8a81613afbf59b17b214bb257dd250064f673fdea9545aed22277f12a4db02dd5fae78fc7ea3e7697f329e5bd3430d53a7871a056a1389798208b4f

  • SSDEEP

    24576:2WF1jExoBI7rExW6vkixl0f19ItU57sX5qwlJpN:zseS7rwhl09TFh8vN

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe
    "C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe
      "C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe
        "C:\Users\Admin\AppData\Local\Temp\c4b00eff62e6c730e01fec38ca50ded3bb0df111db5d1e0b18bfabb6b7d18eaf.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1704

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1412-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

          Filesize

          8KB