Overview

overview

10

Static

static

svchost.exe

windows7-x64

10

svchost.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2022 12:57

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    svchost.exe

  • Size

    55KB

  • MD5

    95f685338ecc3926dfd2cd012f6be29e

  • SHA1

    6c63b931c54f9c0f25aeea1d759067f5fad6c1f1

  • SHA256

    46e1fdccfc5746e9c6ba561de9848eb36c051b6be9dc0d11dda69612ed9c6c76

  • SHA512

    05d0dbc82e443e666eb4f293bfe54f317e7b0322de5828af1b336e58542a95e2f67d27c2b704e10a0c2e101bbbb5a6f38eb3b325f506c7e359d0bd4491f6674e

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

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
  • 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) 3 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\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.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:3540
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
        PID:1204
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:3680
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:2104
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:924
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1684
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1096
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:3836
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:4220
    • 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:956
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1736
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:460
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:784
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:1180

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/924-135-0x0000000000000000-mapping.dmp

        Download

      • memory/1096-139-0x0000000000000000-mapping.dmp

        Download

      • memory/1204-132-0x0000000000000000-mapping.dmp

        Download

      • memory/1684-138-0x0000000000000000-mapping.dmp

        Download

      • memory/2104-137-0x0000000000000000-mapping.dmp

        Download

      • memory/3680-136-0x0000000000000000-mapping.dmp

        Download

      • memory/3836-140-0x0000000000000000-mapping.dmp

        Download

      • memory/4220-141-0x0000000000000000-mapping.dmp

        Download

      • memory/4940-133-0x0000000000000000-mapping.dmp

        Download

      • memory/5048-134-0x0000000000000000-mapping.dmp

        Download