Overview

overview

10

Static

static

f4db61bb14...b6.exe

windows7-x64

10

f4db61bb14...b6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2022 18:36

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General

  • Target

    f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6.exe

  • Size

    56KB

  • MD5

    25e0c92a4e1d058d5a04089efe63b290

  • SHA1

    0f34c29d2ce181dbe88bcb5d28ea8aa3c5bbd5e3

  • SHA256

    f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6

  • SHA512

    b07fb95b6138224b789e73e398c74e91a7d311acc49621fa08b875e8dd1a2af4dec58b522ab68e49dfd6ba52085784118bf73c1067a5677551dec532ce56bd50

  • SSDEEP

    1536:qNeRBl5PT/rx1mzwRMSTdLpJR1LY8EcxN/i:qQRrmzwR5JbLY8Ec

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • 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) 10 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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 47 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6.exe
    "C:\Users\Admin\AppData\Local\Temp\f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6.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:1632
    • C:\Users\Admin\AppData\Local\Temp\f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6.exe
      "C:\Users\Admin\AppData\Local\Temp\f4db61bb14a7af406c9cfc33075c6f74ab711bedf1e1fd6edc4f524bd304c1b6.exe"
      2⤵
        PID:1520
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:820
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:816
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:684
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1276
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1168
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1584
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:1780
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1344
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1760
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1520
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1648
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:580

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/684-63-0x0000000000000000-mapping.dmp

          Download

        • memory/816-58-0x0000000000000000-mapping.dmp

          Download

        • memory/820-56-0x0000000000000000-mapping.dmp

          Download

        • memory/1168-65-0x0000000000000000-mapping.dmp

          Download

        • memory/1276-64-0x0000000000000000-mapping.dmp

          Download

        • memory/1344-61-0x0000000000000000-mapping.dmp

          Download

        • memory/1500-57-0x0000000000000000-mapping.dmp

          Download

        • memory/1584-66-0x0000000000000000-mapping.dmp

          Download

        • memory/1632-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1780-59-0x0000000000000000-mapping.dmp

          Download

        • memory/1780-60-0x000007FEFBCD1000-0x000007FEFBCD3000-memory.dmp

          Filesize

          8KB

          Download