Resubmissions

03/05/2021, 06:41

210503-xcpqeva776 7

28/04/2021, 04:37

210428-sbbz4qdg2n 10

Analysis

  • max time kernel
    248s
  • max time network
    251s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    03/05/2021, 06:41

General

  • Target

    filee.exe

  • Size

    128KB

  • MD5

    3bc84c0e8831842f2ae263789217245d

  • SHA1

    d60b174c7f8372036da1eb0a955200b1bb244387

  • SHA256

    757e7c2569cc52c9e1639fbca06e957cb40f775d5cb1a8aafa670131b62b0824

  • SHA512

    f3117a6bd79db1d67dce2c67d539c56c177caed9f0b5b019dfb0034f28cb2e79e248893171c2ad78cbca358c2f5813edb17f0126ab40cfe08f9a6357f233f2e4

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\filee.exe
    "C:\Users\Admin\AppData\Local\Temp\filee.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\filee.exe" >> NUL
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:196
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2652

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/640-114-0x0000000000B70000-0x0000000000B7D000-memory.dmp

          Filesize

          52KB