Resubmissions

25/03/2025, 12:12

250325-pdkyhsyrz5 10

08/02/2025, 06:08

250208-gvvkaazlct 10

08/02/2025, 06:01

250208-gq5jpa1kbl 10

Analysis

  • max time kernel
    33s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 12:12

General

  • Target

    runchicky.exe

  • Size

    624KB

  • MD5

    d22dc0f8675d231c6e89cd6398195ced

  • SHA1

    48377a33001154de3e9067e1ba59a3f2c467016e

  • SHA256

    32b9b361f850a2603397ad184861b667f4a9f2fa301908bf9390f29776a789a6

  • SHA512

    c59658765335e0de941047e3d831a15e89ae1afb1fb54548d7f5018e40e8f932415d031c112077cae1b445b68e924106ba12d8bd59d5bd3cf5b8e7eeff4a50e3

  • SSDEEP

    12288:aRZ+IoG/n9IQxW3OBsee2X+t4Rbm82N7e51DLg1ZMKd3YNdxmZj:U2G/nvxW3Ww0tm828J6MKd3SxmN

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 36 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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 9 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 36 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 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\runchicky.exe
    C:\Users\Admin\AppData\Local\Temp\runchicky.exe bcdedit /set shutdown /r /f /t 2
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\containercomponentbrowsersessionHost\2oJRbutlgxfcdw8Hh9s7qc5Tm6nW.vbe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\containercomponentbrowsersessionHost\BEpBAzWNQZE9Fln77MEjVlk.bat" "
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\containercomponentbrowsersessionHost\chainport.exe
          "C:\containercomponentbrowsersessionHost\chainport.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2284
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\OTjRDLAh0u.bat"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1656
            • C:\Windows\system32\w32tm.exe
              w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
              6⤵
                PID:1776
              • C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\chainport.exe
                "C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\chainport.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:916
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2572
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Sidebar\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2268
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2696
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\wininit.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 "wininitw" /sc MINUTE /mo 10 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2100
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\cmd.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1580
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:828
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\containercomponentbrowsersessionHost\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2784
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\containercomponentbrowsersessionHost\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2900
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\containercomponentbrowsersessionHost\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3040
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\containercomponentbrowsersessionHost\conhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3064
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\containercomponentbrowsersessionHost\conhost.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 "conhostc" /sc MINUTE /mo 13 /tr "'C:\containercomponentbrowsersessionHost\conhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2212
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Defender\it-IT\lsm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\it-IT\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2944
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Defender\it-IT\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1028
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Users\Public\Music\Sample Music\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1920
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Public\Music\Sample Music\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1756
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Music\Sample Music\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2140
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "chainportc" /sc MINUTE /mo 7 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\chainport.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2192
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "chainport" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\chainport.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2104
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "chainportc" /sc MINUTE /mo 10 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\chainport.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2328
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2604
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:900
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2364
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2456
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:808
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:824
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Local Settings\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Admin\Local Settings\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2204
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Local Settings\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1728
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Portable Devices\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2548
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1336
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\OTjRDLAh0u.bat

      Filesize

      227B

      MD5

      d9da1cfc0769c1f38ccd910ef062e478

      SHA1

      a17e1d4c0c752bcb7ebd65b0a608c77d18523fc4

      SHA256

      efdf90ee01dd0883d8746d304be4b8ecec0ddf72ed8bca9bae2e660042d7c2df

      SHA512

      03b33f203f15dc47a3e7d0f1dc3120d1a07f94d9f958be3e23285361a7aaa4e39c75e0f38f9a2bb0715c0695270f6c5940b0cef318cae683b2455a31650f0468

    • C:\containercomponentbrowsersessionHost\2oJRbutlgxfcdw8Hh9s7qc5Tm6nW.vbe

      Filesize

      236B

      MD5

      c9fa9360334e74694bec9389510d78b4

      SHA1

      2defff1cff9f8cf5537d23e36a8142a6234dc6cf

      SHA256

      701836c11a98cceb6c2b4e2b65dfbbc9daf48eab446ee74f2646b820a00439a2

      SHA512

      57c3284db5f7a632b2d605236a43c8edaed0a71881aa158f28402b59edefaa86a8aa538ee1837e654c9f557969249549ddbd4a8d02934b466079a527ce2950c5

    • C:\containercomponentbrowsersessionHost\BEpBAzWNQZE9Fln77MEjVlk.bat

      Filesize

      55B

      MD5

      cefead7e02d3d3d7ceef508021db85c5

      SHA1

      c2b6ab077c82e91833632b6ee7ce2ded769e3f27

      SHA256

      a9638e9e49f1bf899d84de94c7b2d6dbd76fe6713cf111ebfddfc37519afe996

      SHA512

      4fde200afb99fa8c80f0c7354162174807ed441b6037847f70e05f20f1af2d8cbc51f80e49f1b0766c7a66f7b0ad4b068f232c8fc5f94bad06cce68652cd9b02

    • C:\containercomponentbrowsersessionHost\chainport.exe

      Filesize

      315KB

      MD5

      5dbf85cb66c28dd7a2fdee05429bc507

      SHA1

      00b7bb4189987a2c4c0482888717e46c6b954d70

      SHA256

      493e7f443428a30ebfddaa14f309bcf33b9052b61f508b2acf04dc9959c55db3

      SHA512

      9e466d0a6d3a48c45de06c6dccd0c3764a114f4f3662c0802b12c1433011ab9af36a6a76d534f1244b7c44b52752da280374059ca726e07bc24493e11810bc21

    • memory/916-45-0x0000000001310000-0x0000000001366000-memory.dmp

      Filesize

      344KB

    • memory/2284-13-0x0000000000840000-0x0000000000896000-memory.dmp

      Filesize

      344KB