Overview

overview

10

Static

static

34c1121937...dc.exe

windows7-x64

10

34c1121937...dc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2023 20:19

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General

  • Target

    34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe

  • Size

    69KB

  • MD5

    25a54e24e9126fba91ccb92143136e9f

  • SHA1

    27e0e9a39d77a59374b79d31e150ad50a5c622c9

  • SHA256

    34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc

  • SHA512

    156c48c86ddb192b0a8749020890c8a5b6890002bcfedd656b2ae9ea47081a51f0509fbe6f736151de5cab348d6d8d6f871ebe283cdbe20f40cb243fba3ca9cd

  • SSDEEP

    1536:BkGB8nHbKUvryElSpi8jCZGcqDKlKnr8dM4CWYi:BFBMHRvrAjCZmKcnr89CW

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 2C30FC70-2250 You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

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 4 IoCs
    ransomwareevasion
  • Modifies Windows Firewall 1 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 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) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe
    "C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe
      "C:\Users\Admin\AppData\Local\Temp\34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.exe"
      2⤵
        PID:4596
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1428
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:440
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4296
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4612
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1924
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:1052
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:432
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:1772
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          2⤵
            PID:4872
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            2⤵
              PID:284
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4072
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:792
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic shadowcopy delete
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:424
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} bootstatuspolicy ignoreallfailures
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:3616
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled no
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:3180
          • 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:3976
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2464

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\Desktop\info.hta
            Filesize

            5KB

            MD5

            e93411f527a8ebe206d8b8af86a93627

            SHA1

            b074838245d27e7153277adc71415ee6f5de6328

            SHA256

            d6bd45290da1f44f4d0e80e5ed276946186da847f651130aaa021d9569171756

            SHA512

            394fb8383fd00d6925120c6ce27606cfce69a360d645281cb98d8d49099cf7f1e5c04f405ed228cd8f29b0deceeaf48041353ec10cdf717c8675c5222e4f2421

            Download Submit

          • C:\info.hta
            Filesize

            5KB

            MD5

            e93411f527a8ebe206d8b8af86a93627

            SHA1

            b074838245d27e7153277adc71415ee6f5de6328

            SHA256

            d6bd45290da1f44f4d0e80e5ed276946186da847f651130aaa021d9569171756

            SHA512

            394fb8383fd00d6925120c6ce27606cfce69a360d645281cb98d8d49099cf7f1e5c04f405ed228cd8f29b0deceeaf48041353ec10cdf717c8675c5222e4f2421

            Download Submit

          • C:\users\public\desktop\info.hta
            Filesize

            5KB

            MD5

            e93411f527a8ebe206d8b8af86a93627

            SHA1

            b074838245d27e7153277adc71415ee6f5de6328

            SHA256

            d6bd45290da1f44f4d0e80e5ed276946186da847f651130aaa021d9569171756

            SHA512

            394fb8383fd00d6925120c6ce27606cfce69a360d645281cb98d8d49099cf7f1e5c04f405ed228cd8f29b0deceeaf48041353ec10cdf717c8675c5222e4f2421

            Download Submit

          • memory/284-143-0x0000000000000000-mapping.dmp

            Download

          • memory/424-149-0x0000000000000000-mapping.dmp

            Download

          • memory/432-140-0x0000000000000000-mapping.dmp

            Download

          • memory/440-136-0x0000000000000000-mapping.dmp

            Download

          • memory/792-148-0x0000000000000000-mapping.dmp

            Download

          • memory/1052-135-0x0000000000000000-mapping.dmp

            Download

          • memory/1428-133-0x0000000000000000-mapping.dmp

            Download

          • memory/1636-134-0x0000000000000000-mapping.dmp

            Download

          • memory/1772-141-0x0000000000000000-mapping.dmp

            Download

          • memory/1924-139-0x0000000000000000-mapping.dmp

            Download

          • memory/3180-151-0x0000000000000000-mapping.dmp

            Download

          • memory/3616-150-0x0000000000000000-mapping.dmp

            Download

          • memory/4072-144-0x0000000000000000-mapping.dmp

            Download

          • memory/4296-137-0x0000000000000000-mapping.dmp

            Download

          • memory/4596-132-0x0000000000000000-mapping.dmp

            Download

          • memory/4612-138-0x0000000000000000-mapping.dmp

            Download

          • memory/4872-142-0x0000000000000000-mapping.dmp

            Download