Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-03-2021 12:47

General

  • Target

    16af8d85ef82a5a35e0ba0a87577cbe221374c0cc55d58bc326139c6207ef338.exe

  • Size

    168KB

  • MD5

    f60db4476317c6d130d6102ef7571958

  • SHA1

    d4f41df13bc0f5eec21987f1e412d1d444f86681

  • SHA256

    16af8d85ef82a5a35e0ba0a87577cbe221374c0cc55d58bc326139c6207ef338

  • SHA512

    7bbd954f12915a6867187b96ba62b846627c15a5a3167b72522c4f2bdea95be64782ce1cd65ad89f2edfaba161cb7088866283fddb4c57857cfc2ec795be82ca

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16af8d85ef82a5a35e0ba0a87577cbe221374c0cc55d58bc326139c6207ef338.exe
    "C:\Users\Admin\AppData\Local\Temp\16af8d85ef82a5a35e0ba0a87577cbe221374c0cc55d58bc326139c6207ef338.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5156
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "audioendpointbuilder" /y
        3⤵
          PID:5332
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" stop "samss" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5280
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "samss" /y
          3⤵
            PID:5436
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop "samss" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:44152
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "samss" /y
            3⤵
              PID:44240
          • C:\Windows\SysWOW64\net.exe
            "C:\Windows\System32\net.exe" stop "samss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:103056
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "samss" /y
              3⤵
                PID:105428

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1152-2-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-3-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-4-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-5-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-7-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-6-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-9-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-8-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-11-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-10-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-12-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-13-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-14-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-15-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-16-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-17-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-18-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-20-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-19-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-22-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-21-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-23-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-24-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-26-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-25-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-27-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-28-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-29-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-30-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-31-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-32-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-33-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-35-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-34-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-36-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-38-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-37-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-39-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-41-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-40-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-42-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-43-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-44-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-45-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-46-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-47-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-48-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-49-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-50-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-51-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-52-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-53-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-54-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-56-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-55-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-58-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-57-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-59-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-60-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-61-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-62-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-63-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-64-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-65-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-66-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-67-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-68-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-69-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-71-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-70-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-72-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-73-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB

          • memory/1152-74-0x0000000010160000-0x0000000010161000-memory.dmp

            Filesize

            4KB