Analysis

  • max time kernel
    129s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 01:19

General

  • Target

    PlagueCrack.exe

  • Size

    726KB

  • MD5

    2163c9e0594f85f2088c2d20d17ffe4d

  • SHA1

    f86e2843a28743422b01873f074b6cfa1421656c

  • SHA256

    8870af0fd4d3c26a84b1eb1cd6b34e1e1fccb0ba4058189b544efad768e4ec39

  • SHA512

    53ac098dc91e088fc92ad16735932a0a091a9ea8ff400bd4abe41ebff9a375c5cf2e3396b3f18d41138185f0c31277d5bf4d0c4330abd9e99ebda05400d6f111

  • SSDEEP

    12288:KpoIY///1UFZrXC6EBOqD4f29U4nlEyf9cRUHIoqD:9IY/Q7SBkMaqcRUo

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • Process spawned unexpected child process 18 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 53 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 37 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\PlagueCrack.exe
    "C:\Users\Admin\AppData\Local\Temp\PlagueCrack.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3736
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\containerHost\2fKewMuCXyiCtFIwBRQnc93pKTY8.vbe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\containerHost\3seC6ZDrVIVUAwCAlyvL.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3336
          • C:\containerHost\Containerbroker.exe
            "C:\containerHost\Containerbroker.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4976
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4152
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2340
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/containerHost/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4004
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5060
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1556
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2996
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:316
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3492
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3812
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4480
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3176
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2988
            • C:\Program Files\Internet Explorer\lsass.exe
              "C:\Program Files\Internet Explorer\lsass.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\OneDrive\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4912
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Admin\OneDrive\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4788
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\OneDrive\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2332
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Program Files\Internet Explorer\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3160
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files\Internet Explorer\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\Default\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4476
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Default\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1400
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Users\Default\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1316
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Common Files\Services\conhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2868
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\Common Files\Services\conhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3468
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Program Files\Common Files\Services\conhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\cmd.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    3a6bad9528f8e23fb5c77fbd81fa28e8

    SHA1

    f127317c3bc6407f536c0f0600dcbcf1aabfba36

    SHA256

    986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

    SHA512

    846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    bd5940f08d0be56e65e5f2aaf47c538e

    SHA1

    d7e31b87866e5e383ab5499da64aba50f03e8443

    SHA256

    2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6

    SHA512

    c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    e243a38635ff9a06c87c2a61a2200656

    SHA1

    ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

    SHA256

    af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

    SHA512

    4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

  • C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe

    Filesize

    1.2MB

    MD5

    bbc465dac2a2ad945d309b6c3d71362a

    SHA1

    8715e17e788613de3a7cf488cafffb7af337f076

    SHA256

    cd144188e27cde2b00433551763f97a1bacf7e2237a2275746b2557646393efb

    SHA512

    71174fab1b522f57a37a3d523ed217566e5cc522fedde46a643deda65104f631a96329dddb16ff19709a12d76d99315a7ff7714ade1b4b5597d3bc7ea9d428c1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hepfh5sy.rhc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\containerHost\2fKewMuCXyiCtFIwBRQnc93pKTY8.vbe

    Filesize

    210B

    MD5

    e19f83b824a08b0ea4e326cb32c2d02d

    SHA1

    6b29b4639990f14ef2761b697968e9a27ab1f364

    SHA256

    943ded06e5e6f359540f650106cad70c467e20b40c081149f4665d901f8330ef

    SHA512

    7394f2663bd590a4ccf408dc515a3ce93aa9f6b8790b94c91f8b3c0e6d882eaa47344f3dc70983096b02f785ef3da6c99d4413bedb2544d94dfc7bde0ff7b00e

  • C:\containerHost\3seC6ZDrVIVUAwCAlyvL.bat

    Filesize

    38B

    MD5

    757265e79a6fc0326410a236e366530c

    SHA1

    c15b5f5af6c606936162dc0fbc68eb99e88e9079

    SHA256

    8f6f8a7e41696219f89a89c6e63d748180821747103505bdc57d1afdf058d49b

    SHA512

    23c010d289d5e00adcbbc1c01c510f2534fc33effe445d550406e43af760fee4ca30d7552904e6ac33c948eb28335bf9c890d7cee007da11fb78d6992bfa8240

  • C:\containerHost\Containerbroker.exe

    Filesize

    946KB

    MD5

    3c7c10c178e374d52c5b937d12ddfb59

    SHA1

    c4e4daf3017343944613fc81526b325c2991af9e

    SHA256

    4fc7706ed0082028a12817ef52d20cb55671a96bcc69774f5afcefbf0cde7b35

    SHA512

    fd6b98885871127d657313eb8c872e032d5e49fd87587adf7b538a84aa96d5ec75ade354d1320ac621636cd94933af1961a16a93fcdd389a1069440243b185ab

  • memory/2848-185-0x000000001D690000-0x000000001D852000-memory.dmp

    Filesize

    1.8MB

  • memory/2848-186-0x000000001E090000-0x000000001E5B8000-memory.dmp

    Filesize

    5.2MB

  • memory/4420-20-0x00007FFA71810000-0x00007FFA722D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4420-0-0x00007FFA71813000-0x00007FFA71815000-memory.dmp

    Filesize

    8KB

  • memory/4420-7-0x00007FFA71810000-0x00007FFA722D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4420-1-0x0000000000650000-0x000000000070C000-memory.dmp

    Filesize

    752KB

  • memory/4480-56-0x00000159A6880000-0x00000159A68A2000-memory.dmp

    Filesize

    136KB

  • memory/4976-27-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

    Filesize

    48KB

  • memory/4976-26-0x0000000000B20000-0x0000000000B2E000-memory.dmp

    Filesize

    56KB

  • memory/4976-25-0x0000000000370000-0x0000000000464000-memory.dmp

    Filesize

    976KB