Overview

overview

10

Static

static

PO_90654437PR_PDF.exe

windows7_x64

9

PO_90654437PR_PDF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    51s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08/06/2022, 11:44

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General

  • Target
    PO_90654437PR_PDF.exe
  • Size 808KB
  • Sample220608-nv55cacbd2
  • SHA256 3da3c80ea2cc021eb62400339af24ea741180be47582a9699ed3eda1c3389892
  • MD5 SHA1 SHA512
Score
9/10
evasion

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
      2⤵
        PID:284
      • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
        2⤵
          PID:1228
        • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
          "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
          2⤵
            PID:432
          • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
            "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
            2⤵
              PID:1236
            • C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe
              "C:\Users\Admin\AppData\Local\Temp\PO_90654437PR_PDF.exe"
              2⤵
                PID:1140

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/1756-54-0x0000000000080000-0x0000000000150000-memory.dmp
                  Download

                  memory/1756-55-0x00000000750C1000-0x00000000750C3000-memory.dmp
                  Download

                  memory/1756-56-0x0000000002000000-0x0000000002012000-memory.dmp
                  Download

                  memory/1756-57-0x0000000007F00000-0x0000000007F98000-memory.dmp
                  Download

                  memory/1756-60-0x0000000005120000-0x0000000005126000-memory.dmp
                  Download

                  memory/1756-61-0x0000000005C40000-0x0000000005C7C000-memory.dmp
                  Download

                  memory/2040-62-0x000000006EF40000-0x000000006F4EB000-memory.dmp
                  Download

                  memory/2040-63-0x000000006EF40000-0x000000006F4EB000-memory.dmp
                  Download