Overview

overview

10

Static

static

3

45de59851d...9f.exe

windows7-x64

10

45de59851d...9f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    66s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    07-07-2024 18:14

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe

  • Size

    66KB

  • MD5

    87d6d2488b1260e70f4042bf1f292529

  • SHA1

    161f9a79f8197c9b5de1beb7bd4d425d5c23b45b

  • SHA256

    45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f

  • SHA512

    a9d3930de1ff5849e61d1807c6de4b063790dc03f7e4f3f2101cbddde55002ffcc85d2ff433b753a5936403feedbc93c0f3658ffb5e8051d00ba58641e6afda7

  • SSDEEP

    1536:/NeRBl5PT/rx1mzwRMSTdLpJy/jIlkugRGVy/SR1qo+tEgfNni:/QRrmzwR5JysFV12i

Score
10/10
phobosdefense_evasionevasionexecutionimpactpersistenceprivilege_escalationransomware

Malware Config

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 2 IoCs
    ransomwareevasion
  • Renames multiple (72) files with added filename extension

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

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • 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\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe
    "C:\Users\Admin\AppData\Local\Temp\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe
      "C:\Users\Admin\AppData\Local\Temp\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe"
      2⤵
        PID:2640
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2568
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
            PID:2476
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
            • Modifies boot configuration data using bcdedit
            PID:2228
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            3⤵
            • Modifies boot configuration data using bcdedit
            PID:1680
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            3⤵
            • Deletes backup catalog
            PID:1496
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:2696
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:1740
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2148
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
          PID:960
        • C:\Windows\System32\vdsldr.exe
          C:\Windows\System32\vdsldr.exe -Embedding
          1⤵
            PID:1960
          • C:\Windows\System32\vds.exe
            C:\Windows\System32\vds.exe
            1⤵
              PID:2808

            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

            Event Triggered Execution

            1
            T1546

            Netsh Helper DLL

            1
            T1546.007

            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

            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

            Discovery

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Inhibit System Recovery

            4
            T1490

            Replay Monitor

            Loading Replay Monitor...

            Downloads