Analysis

  • max time kernel
    49s
  • max time network
    64s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31-03-2023 16:07

General

  • Target

    a/C.class

  • Size

    1KB

  • MD5

    d764074b6f330f1eefcdd5abb9166a68

  • SHA1

    78241182a42c1b4ddc0296c43da83683f3a8707e

  • SHA256

    fcfefe43b8197093bcd22ec454efed531c863dc3588ad39d0fa420b482ce42e9

  • SHA512

    0fc7677048791d8e0bf38ebb38287f7c42b14a79c8fb9a28c96d5bbc81ea1ff98a342bdcc8075b25a34c2c9229bb195ff7c4f92d0e80059cc79e92ded591c9b0

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a\C.class
    1⤵
    • Modifies registry class
    PID:1808
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

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Downloads