Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07/02/2022, 14:22

General

  • Target

    b27d94521600c442e32f934365fd38936a54c395cca4f8727578b1f759d385d7.exe

  • Size

    2.0MB

  • MD5

    9dab96a19ce340608e3cde6691eaa76d

  • SHA1

    6864b6fe38285e6e8e98f8d9bc182b19f9528597

  • SHA256

    b27d94521600c442e32f934365fd38936a54c395cca4f8727578b1f759d385d7

  • SHA512

    7e696c149cae3e04b8888d9e3b0fc2087d65a2a9c4abe8b3012068b934e12afcc591d981f5c5bda39c5cd05e3f27c69ccf5e4e7a7e24fd2972fe72f35d03bab5

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b27d94521600c442e32f934365fd38936a54c395cca4f8727578b1f759d385d7.exe
    "C:\Users\Admin\AppData\Local\Temp\b27d94521600c442e32f934365fd38936a54c395cca4f8727578b1f759d385d7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\A7C3.tmp\A7C4.bat C:\Users\Admin\AppData\Local\Temp\b27d94521600c442e32f934365fd38936a54c395cca4f8727578b1f759d385d7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Users\Admin\AppData\Local\Temp\A7C3.tmp\1.exe
        1.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        PID:1316

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/2008-54-0x0000000076C91000-0x0000000076C93000-memory.dmp

          Filesize

          8KB