Analysis

  • max time kernel
    260s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2022, 08:53

General

  • Target
    PI_4_5767189090436911808.js Pdf.exe
  • Size 1.0MB
  • Sample221210-ktbbssfc35
  • SHA256 9bdc185c4c52ab97921a7d99b7bfe6e22ac5be828d999b19e41983b3c79af0c9
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI_4_5767189090436911808.js Pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PI_4_5767189090436911808.js Pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qcRrBQocv.exe"
      2⤵
        PID:1168
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcRrBQocv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE66A.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:1568

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          tmpE66A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpE66A.tmp
          • Size 1KB
          • SHA256 e565a9cb1b1e1839b1121840ce029b197bbf575feb4f7681f771bf6ce1fc5696
          • MD5 SHA1 SHA512

          memory/828-54-0x0000000001060000-0x000000000116A000-memory.dmp

          memory/828-55-0x0000000075491000-0x0000000075493000-memory.dmp

          memory/828-56-0x0000000000620000-0x000000000063A000-memory.dmp

          memory/828-57-0x0000000000640000-0x000000000064E000-memory.dmp

          memory/828-58-0x0000000005FC0000-0x000000000607C000-memory.dmp

          memory/1168-63-0x000000006E9E0000-0x000000006EF8B000-memory.dmp