Analysis

  • max time kernel
    149s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 05:59

General

  • Target

    9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0.exe

  • Size

    39KB

  • MD5

    ca505fc97b025e9d25487dea8e6bc0e2

  • SHA1

    53b79f9c2277a87b669dada2cf5166dde5308138

  • SHA256

    9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0

  • SHA512

    1f8df3b990f3a7a7e7bf4c082f1ac4ef2f63bcd5311460ace2de8cbfc7cdf8ddfb2affb34f0b4f6ea3dc2ed1b190d651b19d861c93e884a41bb77662ceb0bc46

  • SSDEEP

    768:30hvZ7K2gJSRzmKxBqg+9ZPba3QagR9DZGYVW6YXcTLNNi:kHSEHBq95XagR9lGYV/I

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0.exe
    "C:\Users\Admin\AppData\Local\Temp\9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0.exe
      C:\Users\Admin\AppData\Local\Temp\9d3eb7bef6e24be9a7e8c99bb04253d34a15d48c9b42f3f4a869b9feba8fb1f0.exe
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:1684
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4932

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1684-133-0x0000000000400000-0x0000000000409000-memory.dmp

            Filesize

            36KB

          • memory/1684-135-0x0000000000400000-0x0000000000409000-memory.dmp

            Filesize

            36KB

          • memory/1684-136-0x0000000000400000-0x0000000000409000-memory.dmp

            Filesize

            36KB

          • memory/1684-137-0x0000000000400000-0x0000000000409000-memory.dmp

            Filesize

            36KB