Overview

overview

10

Static

static

3

AntiRecuvaDB.exe

windows7-x64

10

AntiRecuvaDB.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    156s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 22:32

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General

  • Target

    AntiRecuvaDB.exe

  • Size

    60KB

  • MD5

    574e43cffc3bde6f5c99dfd08cdd36ec

  • SHA1

    fe51fcd4e6c4cc670db61bd7238eb8077f667784

  • SHA256

    09cb34eeb242e0664d105e6e040ea247072297be4df66a5261eef59e5be613fa

  • SHA512

    1e0a2e705ce36312eca98bd335ccc736cc8c62d9bab0c23e8d1354f370c010ba149052ba6315db9d7c9bbe5157c1a3098c43a0e7b495dd90179ea62c57c492ba

  • SSDEEP

    1536:KNeRBl5PT/rx1mzwRMSTdLpJiCIrTJmxgwRpA9O:KQRrmzwR5JuT8d/A9O

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 2 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 49 IoCs
  • Suspicious use of WriteProcessMemory 18 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\AntiRecuvaDB.exe
    "C:\Users\Admin\AppData\Local\Temp\AntiRecuvaDB.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:1428
    • C:\Users\Admin\AppData\Local\Temp\AntiRecuvaDB.exe
      "C:\Users\Admin\AppData\Local\Temp\AntiRecuvaDB.exe"
      2⤵
        PID:456
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4860
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3696
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4664
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:3056
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4796
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:5072
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3132
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:2820
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:3544
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3220
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:288
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2568
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:380
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3676

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Persistence

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Indicator Removal

        3
        T1070

        File Deletion

        3
        T1070.004

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        2
        T1012

        Peripheral Device Discovery

        1
        T1120

        System Information Discovery

        1
        T1082

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Exfiltration

        Command and Control

        Impact

        Inhibit System Recovery

        4
        T1490

        Resource Development

        Reconnaissance

        Replay Monitor

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        Downloads

        • C:\Program Files\7-Zip\7-zip32.dll
          Filesize

          65KB

          MD5

          e5f729728ef63949ee08cdb344e199a0

          SHA1

          39869fb44914a7aa172a48342d39dbdfbda4d65c

          SHA256

          ce89fdff60df750b5f78ae42df37b822cd79add907d2c2e604fd906bb5f85bd2

          SHA512

          5fe6ac63731b9ad38f2b23c3e9ec7a89f8624a24056cb251ce7e08d18687cdd23f17818892b4e1234121001689da2864a61fb239b1e40d0252554c3048f0d9a7

          Download Submit
        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_96.db
          Filesize

          24B

          MD5

          1681ffc6e046c7af98c9e6c232a3fe0a

          SHA1

          d3399b7262fb56cb9ed053d68db9291c410839c4

          SHA256

          9d908ecfb6b256def8b49a7c504e6c889c4b0e41fe6ce3e01863dd7b61a20aa0

          SHA512

          11bb994b5d2eab48b18667c7d8943e82c9011cb1d974304b8f2b6247a7e6b7f55ca2f7c62893644c3728d17dafd74ae3ba46271cf6287bb9e751c779a26fefc5

          Download Submit