Resubmissions

13-01-2025 05:27

250113-f5r2gazrfk 10

12-01-2025 20:06

250112-yvdp7sxlby 10

Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 20:06

General

  • Target

    02d4afb627db486201d4700854e390d9.exe

  • Size

    2.3MB

  • MD5

    02d4afb627db486201d4700854e390d9

  • SHA1

    f63533f82c2a434f9104ccc9beee3216796aeb14

  • SHA256

    46cf8f5e46c3dbdd32c5f300f6fd395a7f12c0ec611de9e518bf7312f187590c

  • SHA512

    0ccaa408f5e1e3481b413ab07dea2b77540e500097a7ab194f6052161517b2c29214d680e7731b9a39a300edf3b88a3b564f85c8008386099474e82c028109fc

  • SSDEEP

    49152:uAHOUI3tHsLi/P025up1V40tz/i4Eq/qo8ychEcMPbVxFAK6E00:uIQ3L/zULV/qWch7MPxxFh6E0

Score
10/10

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 54 IoCs

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

  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 54 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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\02d4afb627db486201d4700854e390d9.exe
    "C:\Users\Admin\AppData\Local\Temp\02d4afb627db486201d4700854e390d9.exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe
      "C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe"
      2⤵
      • Executes dropped EXE
      PID:3052
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1576
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Desktop\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\Desktop\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2612
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Desktop\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2336
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2272
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1720
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2468
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 13 /tr "'C:\Windows\SoftwareDistribution\SelfUpdate\Handler\taskhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2520
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\SoftwareDistribution\SelfUpdate\Handler\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2932
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\Windows\SoftwareDistribution\SelfUpdate\Handler\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Windows\system\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2352
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\system\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\Windows\system\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1060
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Application Data\audiodg.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:484
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\All Users\Application Data\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Application Data\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2116
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\taskhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "02d4afb627db486201d4700854e390d90" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\02d4afb627db486201d4700854e390d9.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1148
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "02d4afb627db486201d4700854e390d9" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\02d4afb627db486201d4700854e390d9.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "02d4afb627db486201d4700854e390d90" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\02d4afb627db486201d4700854e390d9.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files\Common Files\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2268
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Common Files\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files\Common Files\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2176
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2172
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1080
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2228
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Windows\twain_32\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\twain_32\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1076
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Windows\twain_32\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Windows\Migration\WTR\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Windows\Migration\WTR\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Users\Default\services.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2400
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Default\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Users\Default\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Windows\en-US\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\en-US\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2064
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Windows\en-US\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2984
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Journal\fr-FR\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1940
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Windows Journal\fr-FR\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2148
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Journal\fr-FR\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Windows\PolicyDefinitions\de-DE\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\PolicyDefinitions\de-DE\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1524
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Windows\PolicyDefinitions\de-DE\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SoftwareDistribution\SelfUpdate\Handler\taskhost.exe

    Filesize

    2.3MB

    MD5

    02d4afb627db486201d4700854e390d9

    SHA1

    f63533f82c2a434f9104ccc9beee3216796aeb14

    SHA256

    46cf8f5e46c3dbdd32c5f300f6fd395a7f12c0ec611de9e518bf7312f187590c

    SHA512

    0ccaa408f5e1e3481b413ab07dea2b77540e500097a7ab194f6052161517b2c29214d680e7731b9a39a300edf3b88a3b564f85c8008386099474e82c028109fc

  • memory/2976-0-0x000007FEF5A83000-0x000007FEF5A84000-memory.dmp

    Filesize

    4KB

  • memory/2976-1-0x0000000000A70000-0x0000000000CBE000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-2-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

    Filesize

    9.9MB

  • memory/2976-3-0x0000000000480000-0x000000000049C000-memory.dmp

    Filesize

    112KB

  • memory/2976-4-0x00000000004A0000-0x00000000004B6000-memory.dmp

    Filesize

    88KB

  • memory/2976-5-0x00000000004F0000-0x0000000000546000-memory.dmp

    Filesize

    344KB

  • memory/2976-6-0x0000000000280000-0x0000000000292000-memory.dmp

    Filesize

    72KB

  • memory/2976-7-0x0000000000540000-0x000000000054E000-memory.dmp

    Filesize

    56KB

  • memory/2976-49-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

    Filesize

    9.9MB