Overview

overview

10

Static

static

3

restorefil...li.exe

windows7-x64

10

restorefil...li.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:19

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General

  • Target

    [email protected]

  • Size

    56KB

  • MD5

    ceb805e2e76cdedfc302a90689d29036

  • SHA1

    a0fa891e036e932a7294042166564d56ec4310e4

  • SHA256

    5e9902d0d003db7905864ca8a1cf4616d144f56c066156ff700a86d9fa77a09f

  • SHA512

    2abffe6481017829e5a8702a1555eb8385dfc637fa97f8eda4473afb7bda29ea9f598fbe02db079cf1f97509991f8d467d667915c55f7617cabc1827833e4885

  • SSDEEP

    1536:+NeRBl5PT/rx1mzwRMSTdLpJluznEFHWa0IQ:+QRrmzwR5JszEFHoIQ

Score
10/10
phobosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>encrypted</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #EDEDED; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #D0D0E8; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #D0D0E8; border-left: 10px solid #00008B; } .alert { background: #FFE4E4; border-left: 10px solid #FF0000; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>ATTENTION!</div> <div>ALL YOUR DATA ARE PROTECTED WITH RSA ALGORITHM</div> </div> <div class='bold'>Your security system was vulnerable, so all of your files are encrypted.</div> <div class='bold'>If you want to restore them, contact us by email: <span class='mark'>[email protected]</span></div> <div class='bold'>in the header of the letter indicate your encrypted ID <span class='mark'>465A7C09-2930</span></div> <div class='bold'>If you do not receive a response within 24 hours, please contact us by Telegram.org account: <span class='mark'><a href='https://t.me/Resp0nse'>@Resp0nse</a></span></div> <div class='note alert'> <div class='title'>BE CAREFUL AND DO NOT DAMAGE YOUR DATA:</div> <ul> <li>Do not rename encrypted files.</li> <li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li> <li>Do not trust anyone! Only we have keys to your files! Without this keys restore your data is impossible</li> </ul> </div> <div class='note info'> <div class='title'>WE GUARANTEE A FREE DECODE AS A PROOF OF OUR POSSIBILITIES:</div> <ul>You can send us 2 files for free decryption. Size of file must be less than 1 Mb (non archived). We don`t decrypt for test DATABASE, XLS and other important files.</ul> </div> <div class='note info'> <div class='title'>DO NOT ATTEMPT TO DECODE YOUR DATA YOURSELF, YOU ONLY DAMAGE THEM AND THEN YOU LOSE THEM FOREVER.</div> <div class='title'>AFTER DECRYPTION YOUR SYSTEM WILL RETURN TO A FULLY NORMALLY AND OPERATIONAL CONDITION!</div> </div> </body> </html>
Emails

class='mark'>[email protected]</span></div>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
    ransomwareevasion
  • Renames multiple (516) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3440
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1600
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2996
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3668
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:3468
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\system32\netsh.exe
        netsh advfirewall set currentprofile state off
        3⤵
        • Modifies Windows Firewall
        PID:2816
      • C:\Windows\system32\netsh.exe
        netsh firewall set opmode mode=disable
        3⤵
        • Modifies Windows Firewall
        PID:2792
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
        PID:2844
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:2900
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          2⤵
            PID:3040
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            2⤵
              PID:2580
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3260
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:2592
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic shadowcopy delete
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3644
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} bootstatuspolicy ignoreallfailures
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:5020
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled no
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:4936
              • C:\Windows\system32\wbadmin.exe
                wbadmin delete catalog -quiet
                3⤵
                • Deletes backup catalog
                PID:4920
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3308
          • C:\Windows\system32\wbengine.exe
            "C:\Windows\system32\wbengine.exe"
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4240
          • C:\Windows\System32\vdsldr.exe
            C:\Windows\System32\vdsldr.exe -Embedding
            1⤵
              PID:4160
            • C:\Windows\System32\vds.exe
              C:\Windows\System32\vds.exe
              1⤵
              • Checks SCSI registry key(s)
              PID:3312

            Network

            MITRE ATT&CK Enterprise v15

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Management Instrumentation

            1
            T1047

            Persistence

            Boot or Logon Autostart Execution

            1
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Privilege Escalation

            Boot or Logon Autostart Execution

            1
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Defense Evasion

            Impair Defenses

            1
            T1562

            Disable or Modify System Firewall

            1
            T1562.004

            Indicator Removal

            3
            T1070

            File Deletion

            3
            T1070.004

            Modify Registry

            1
            T1112

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Peripheral Device Discovery

            1
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            3
            T1082

            Lateral Movement

            Collection

            Data from Local System

            1
            T1005

            Command and Control

            Exfiltration

            Impact

            Inhibit System Recovery

            4
            T1490

            Replay Monitor

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            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.id[465A7C09-2930].[[email protected]].eking
              Filesize

              2.7MB

              MD5

              793d813fa140ff4ae9725a5eb6e39716

              SHA1

              e42608a3c4fdce6286a7db22e7eac09685847852

              SHA256

              f5f43e3df0208dcbec249632d3fa02351d13c117799fe4d554a9bae982c3e039

              SHA512

              6ff7be939e189f43d3953df99639c2bc34d6aab98e08a67f0264338d2331af35d87cfd42a1af58514bd066fb52f3a03339eef1766f32f3e88cdce16af99364d7

              Download Submit

            • C:\info.hta
              Filesize

              4KB

              MD5

              6d0f1a14f5d42ea87a834e4bcde1cd5d

              SHA1

              8502f1742ebf32845dece99904b02f232698f606

              SHA256

              4ec7e1de32185b324515bfc2cc0b794766687ca88b886b60751eea3cb5348c36

              SHA512

              4bdc9e50e5b0a2e4b1ab258da3fe6cf0d64799b24c1b5b66136a9942e8d9888975a6bf42240df23f90870b15f756468568adccc4ba028acebab68ff67bce8dae

              Download Submit