Overview

overview

10

Static

static

b0e2a8c3c5...4e.exe

windows7-x64

10

b0e2a8c3c5...4e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2022 05:20

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General

  • Target

    b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e.exe

  • Size

    138KB

  • MD5

    89ecb17e4dd618967b8d31ce34052c2b

  • SHA1

    1c2c6d8809bb77ead595fa41faac6b3861df18aa

  • SHA256

    b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e

  • SHA512

    7fa8c7017d8f643943046487ddeff50328db39cd79c6d967e47e788ff0dadc284e34864b4c99bd5b970237e1517e5fb5da4c474cb60f37dfd0c36bcd19855d4c

  • SSDEEP

    3072:dQRrmzwR5JrGJNnVUQRrmzwR5JEQRrmzwR5JS:dQxR5JrGRUQxR5JEQxR5JS

Score
10/10
phobosevasionpersistenceransomware

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 1 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) 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e.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:4444
    • C:\Users\Admin\AppData\Local\Temp\b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e.exe
      "C:\Users\Admin\AppData\Local\Temp\b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e.exe"
      2⤵
        PID:4800
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5008
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:1160
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:4680
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3588
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2104
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3292
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4288
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4808
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:4828
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2512
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4416
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3876
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1992
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:4372

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1160-135-0x0000000000000000-mapping.dmp

        Download

      • memory/2104-136-0x0000000000000000-mapping.dmp

        Download

      • memory/3292-137-0x0000000000000000-mapping.dmp

        Download

      • memory/3588-133-0x0000000000000000-mapping.dmp

        Download

      • memory/4288-138-0x0000000000000000-mapping.dmp

        Download

      • memory/4680-141-0x0000000000000000-mapping.dmp

        Download

      • memory/4800-132-0x0000000000000000-mapping.dmp

        Download

      • memory/4808-139-0x0000000000000000-mapping.dmp

        Download

      • memory/4828-140-0x0000000000000000-mapping.dmp

        Download

      • memory/5008-134-0x0000000000000000-mapping.dmp

        Download