Overview

overview

10

Static

static

3

2026-08-21...os.exe

windows10-2004-x64

10

2026-08-21...os.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 05:40

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General

  • Target
    2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
  • Size 60KB
  • Sample260822-gcwpma1erg
  • SHA256 d9b87975f99c0ed8fcc31554d53d64305786a19cefd02706368cade47eefb2b3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
credential_accessdefense_evasiondiscoveryevasionexecutionphobosimpactpersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Signatures

  • Family: 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 (852) 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
    defense_evasion
  • Creates a file in the Startup directory 1 TTPs 3 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Interacts with shadow copies 3 TTPs 2 IoCs

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

    ransomware
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 19 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\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe"
    1⤵
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe"
      2⤵
        PID:1568
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3748
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4620
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2060
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:5776
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:4560
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:5076
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2740
      • 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⤵
        • System Location Discovery: System Language Discovery
        PID:400
      • 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⤵
        • System Location Discovery: System Language Discovery
        PID:1548
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2580
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        PID:2684
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5088
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4728
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4576
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2740
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:5080
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1004
    • C:\Users\Admin\AppData\Local\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
      C:\Users\Admin\AppData\Local\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5884
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:4460
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2652

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Management Instrumentation

            1
            T1047

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Event Triggered Execution

            1
            T1546

            Netsh Helper DLL

            1
            T1546.007

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Create or Modify System Process

            1
            T1543

            Windows Service

            1
            T1543.003

            Event Triggered Execution

            1
            T1546

            Netsh Helper DLL

            1
            T1546.007

            Defense Evasion

            Direct Volume Access

            1
            T1006

            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

            Credentials from Password Stores

            2
            T1555

            Credentials from Web Browsers

            1
            T1555.003

            Windows Credential Manager

            1
            T1555.004

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Browser Information Discovery

            1
            T1217

            Peripheral Device Discovery

            2
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            3
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            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

            C2R32.dll.id[5382C1B6-3188].[ICQ_Polsat].POLSAT
            • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.id[5382C1B6-3188].[ICQ_Polsat].POLSAT
            • Size 2.7MB
            • SHA256 f0bc006b0c76acc103e1696cd596b1a4fc86e651b121f10a1cf9026170103803
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
            • Path C:\Users\Admin\AppData\Local\2026-08-21_cc4f5a4a28193bcf58a40010c6916cc8_elex_phobos.exe
            • Size 60KB
            • SHA256 d9b87975f99c0ed8fcc31554d53d64305786a19cefd02706368cade47eefb2b3
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            info.hta
            • Path C:\Users\Admin\Desktop\info.hta
            • Size 9KB
            • SHA256 7df522f97dd7d7357c1956b606077ec7460f8a99b59d500c1254ce29cc01867f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download