Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 17:40

General

  • Target

    62e056d86cf91f172914969927d2306e52facc801903f08f8a9a1b49cd34a960N.exe

  • Size

    2.6MB

  • MD5

    c48a32fe9ab79809fd6921ec76072980

  • SHA1

    974d3211e7e6b8a51025eab1a172d07068c8c8c4

  • SHA256

    62e056d86cf91f172914969927d2306e52facc801903f08f8a9a1b49cd34a960

  • SHA512

    385d9cbf1604a9ffa12b762b80f23f5a47517c8f2522c745af3ce2121da72fbc37b1dd88e5ba4733dbbaefd4fdbc823b5d9ed07b3584bba75e22b0445e85584f

  • SSDEEP

    49152:Z35SQwOGHHy3Gv6KelFCGDZPU542T5eYfn4jmnHwDKni5Js:ZpSQEHIKqFCGDZs54+5eYfnCMQ+i5J

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 42 IoCs

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

  • UAC bypass 3 TTPs 6 IoCs
  • DCRat payload 6 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 26 IoCs
  • Drops file in Windows directory 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 42 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 6 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\62e056d86cf91f172914969927d2306e52facc801903f08f8a9a1b49cd34a960N.exe
    "C:\Users\Admin\AppData\Local\Temp\62e056d86cf91f172914969927d2306e52facc801903f08f8a9a1b49cd34a960N.exe"
    1⤵
    • UAC bypass
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4060
    • C:\Recovery\WindowsRE\fontdrvhost.exe
      "C:\Recovery\WindowsRE\fontdrvhost.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:4216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\sihost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4000
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1440
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4320
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3052
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2324
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4116
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2704
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3200
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Windows\uk-UA\OfficeClickToRun.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\uk-UA\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4204
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Windows\uk-UA\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1984
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Links\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Default\Links\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Links\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3640
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Photo Viewer\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1624
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Photo Viewer\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Downloads\SppExtComObj.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2000
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Admin\Downloads\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3060
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Downloads\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3856
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\ShellComponents\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3724
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\ShellComponents\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows\ShellComponents\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1560
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1612
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Windows\Containers\serviced\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\Containers\serviced\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Windows\Containers\serviced\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3436
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1492
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Photo Viewer\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1064
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5052
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Photo Viewer\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe

    Filesize

    2.6MB

    MD5

    eb20a5c32d29352c0dbee0d6775a5eb5

    SHA1

    de901bc6fb1cb15fbead83c884a8994436ba7703

    SHA256

    c6507d8f146f17527d835cf85155956da79de5e7c08f6de993d161beabcb0503

    SHA512

    714eecf118595086220e3c7dfe09974768b12b4f9299e8ddfa309811cb7f6e1281937fafe0208263303dce687023b2a034ae9f104babf089ac5e07dafc4afbe8

  • C:\Recovery\WindowsRE\sysmon.exe

    Filesize

    2.6MB

    MD5

    c48a32fe9ab79809fd6921ec76072980

    SHA1

    974d3211e7e6b8a51025eab1a172d07068c8c8c4

    SHA256

    62e056d86cf91f172914969927d2306e52facc801903f08f8a9a1b49cd34a960

    SHA512

    385d9cbf1604a9ffa12b762b80f23f5a47517c8f2522c745af3ce2121da72fbc37b1dd88e5ba4733dbbaefd4fdbc823b5d9ed07b3584bba75e22b0445e85584f

  • C:\Recovery\WindowsRE\sysmon.exe

    Filesize

    2.6MB

    MD5

    f886fe23735ec9ea310b8115f39fe61f

    SHA1

    afa151566a21b797beac810780de2a745080ce4b

    SHA256

    3e2c8252e406de3f0811e0bdb1ce6454fbf95cc8037959acd0fa2660f984da85

    SHA512

    450d4f97b3ef5a5b9b3c2b95ed4cdf99c8ee635717d66e83297b8c25c8dfafffb4a605e04546130725a8894bc944e14b184f25a3dda03343f120a630991cd240

  • C:\Users\Admin\Downloads\SppExtComObj.exe

    Filesize

    2.6MB

    MD5

    0b1ce6745a05ddd54699ae7686ef8c52

    SHA1

    558a2ceea822ebc7ca39fee5ec0f04f187514c1a

    SHA256

    26079b8538d1b235d346303811f8bee5d811c63b196997a373c2231bdec5de54

    SHA512

    b96ccca9279e46913a164a0e0e8482bea02d175e56492e7017bc39f2e8efb8d31e19d85f92b593ca0bf9a1cf5a95d409d59d49502a1a6ab829bfaa81894b62fb

  • C:\Windows\uk-UA\RCXE83A.tmp

    Filesize

    2.6MB

    MD5

    f89f086220a4e25053df0b2da0911b2d

    SHA1

    7728f1b5940c98a5fa044e5c3d9366e80778c0d0

    SHA256

    1c909fd1561912f09fc8266a66d612facff162dadde3635b56a637da48d165fe

    SHA512

    43da3d66b4421afc0f8006b026c21084605bf5406815886d9aacd58032c5a789c781d10b7d6561fee146f04ff674c5c44a7fa4ad68e73b633b6f303f800bfe5f

  • memory/4060-5-0x000000001B910000-0x000000001B960000-memory.dmp

    Filesize

    320KB

  • memory/4060-17-0x000000001C020000-0x000000001C02C000-memory.dmp

    Filesize

    48KB

  • memory/4060-0-0x00007FFD0BD53000-0x00007FFD0BD55000-memory.dmp

    Filesize

    8KB

  • memory/4060-8-0x0000000002EF0000-0x0000000002F06000-memory.dmp

    Filesize

    88KB

  • memory/4060-9-0x0000000002F10000-0x0000000002F18000-memory.dmp

    Filesize

    32KB

  • memory/4060-10-0x0000000002F20000-0x0000000002F2A000-memory.dmp

    Filesize

    40KB

  • memory/4060-11-0x000000001B960000-0x000000001B9B6000-memory.dmp

    Filesize

    344KB

  • memory/4060-13-0x000000001B9C0000-0x000000001B9D2000-memory.dmp

    Filesize

    72KB

  • memory/4060-12-0x000000001B9B0000-0x000000001B9B8000-memory.dmp

    Filesize

    32KB

  • memory/4060-14-0x000000001CA40000-0x000000001CF68000-memory.dmp

    Filesize

    5.2MB

  • memory/4060-16-0x000000001C010000-0x000000001C018000-memory.dmp

    Filesize

    32KB

  • memory/4060-6-0x0000000002ED0000-0x0000000002ED8000-memory.dmp

    Filesize

    32KB

  • memory/4060-15-0x000000001B9F0000-0x000000001B9F8000-memory.dmp

    Filesize

    32KB

  • memory/4060-18-0x000000001C030000-0x000000001C03E000-memory.dmp

    Filesize

    56KB

  • memory/4060-19-0x000000001C040000-0x000000001C04C000-memory.dmp

    Filesize

    48KB

  • memory/4060-20-0x000000001C050000-0x000000001C05A000-memory.dmp

    Filesize

    40KB

  • memory/4060-7-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

    Filesize

    64KB

  • memory/4060-4-0x0000000002EB0000-0x0000000002ECC000-memory.dmp

    Filesize

    112KB

  • memory/4060-3-0x0000000002EA0000-0x0000000002EAE000-memory.dmp

    Filesize

    56KB

  • memory/4060-2-0x00007FFD0BD50000-0x00007FFD0C811000-memory.dmp

    Filesize

    10.8MB

  • memory/4060-182-0x00007FFD0BD53000-0x00007FFD0BD55000-memory.dmp

    Filesize

    8KB

  • memory/4060-201-0x00007FFD0BD50000-0x00007FFD0C811000-memory.dmp

    Filesize

    10.8MB

  • memory/4060-1-0x0000000000AD0000-0x0000000000D78000-memory.dmp

    Filesize

    2.7MB

  • memory/4060-278-0x00007FFD0BD50000-0x00007FFD0C811000-memory.dmp

    Filesize

    10.8MB