Analysis

  • max time kernel
    147s
  • 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
    19-12-2024 04:11

General

  • Target

    6f3b935175a44298f056598daefd8f4a.exe

  • Size

    2.6MB

  • MD5

    6f3b935175a44298f056598daefd8f4a

  • SHA1

    df49fbdec3d0c697da73ca8d2925522114325e1f

  • SHA256

    94af3f003d23484a189ce50929f7e11b7cb4d30d149eb23f6650fafd548dd3fd

  • SHA512

    ed1346f979b017ec6b04dc6bdb7645c06975c78a8ddcc2fb97b9447aae65eb102403b20279957336112d4c93e7163803086a9ce6d38370d24f9328c704059a2e

  • SSDEEP

    49152:PbA3phxcymVOgnOPsopuCiTsAqKl4iLPuqaLiUDVgZ1jAMLhN:PbYcfVOZEqiTKKl42aLpgZ1jjj

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 27 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.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in Program Files directory 6 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 6 IoCs

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

  • Modifies registry class 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 27 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 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\6f3b935175a44298f056598daefd8f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\6f3b935175a44298f056598daefd8f4a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3388
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\HypercomwebsavesCommon\06TRX2vp5EEa5LRO2qIvamDAISMSY.vbe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\HypercomwebsavesCommon\qBJRRaMx8bIHubO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3492
        • C:\HypercomwebsavesCommon\Mscontainerprovider.exe
          "C:\HypercomwebsavesCommon\Mscontainerprovider.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • 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
          PID:1548
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\5ZtjTEPxws.bat"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3976
            • C:\Windows\system32\w32tm.exe
              w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
              6⤵
                PID:1508
              • C:\Program Files\Microsoft Office\PackageManifests\wscript.exe
                "C:\Program Files\Microsoft Office\PackageManifests\wscript.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:3052
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\HypercomwebsavesCommon\file.vbs"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3464
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\HypercomwebsavesCommon\r2mekDnwHuGTXInEFmE.bat" "
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          PID:2744
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\HypercomwebsavesCommon\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3128
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\HypercomwebsavesCommon\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\HypercomwebsavesCommon\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2128
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\HypercomwebsavesCommon\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3664
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\HypercomwebsavesCommon\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3384
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\HypercomwebsavesCommon\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4272
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Users\Default\NetHood\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3900
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\NetHood\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4020
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Users\Default\NetHood\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1116
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\SppExtComObj.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4072
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Default User\SppExtComObj.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 "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4676
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2496
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3224
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Program Files\WindowsPowerShell\Modules\PSReadline\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2996
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Modules\PSReadline\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3444
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files\WindowsPowerShell\Modules\PSReadline\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:776
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4228
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Windows\Panther\setup.exe\sihost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4252
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Panther\setup.exe\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3176
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Windows\Panther\setup.exe\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wscriptw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Office\PackageManifests\wscript.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4384
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wscript" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\PackageManifests\wscript.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3960
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wscriptw" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Office\PackageManifests\wscript.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\HypercomwebsavesCommon\06TRX2vp5EEa5LRO2qIvamDAISMSY.vbe

      Filesize

      214B

      MD5

      f1d16665ffd0f6c105eb6959fe8191e8

      SHA1

      306ffa126b9323b3cf6eec31d266510898ddd6b4

      SHA256

      5fa7ef03d5257c7deb9ea12f21f4ff5886dbd667d44b28aaffcf9ff070e9da32

      SHA512

      6ce173fe645e5a05a4c02da4b7b67c612867f234e6e0a14f20ef016d5bc2e0b7dc33766dffd98fc62f1fe357a8797486b9dbd198375cf801d4ec2231745cbadf

    • C:\HypercomwebsavesCommon\Mscontainerprovider.exe

      Filesize

      2.3MB

      MD5

      d53b913a47de930d631538231afc9f89

      SHA1

      565818c582c9e8a1ae576111086379c569b5a557

      SHA256

      dfd113a21fa8c15314f5873a2657d6fc698d6e7678f09ffe0755d81e01f422fd

      SHA512

      b1b983139fbe41dcf17171cbb1978d8627347ee532d1b71e33330da4da57f1d096f8f807d3285256b158da73e2c5398d84f803c473196f4efde503d9a9bbbe87

    • C:\HypercomwebsavesCommon\file.vbs

      Filesize

      34B

      MD5

      677cc4360477c72cb0ce00406a949c61

      SHA1

      b679e8c3427f6c5fc47c8ac46cd0e56c9424de05

      SHA256

      f1cccb5ae4aa51d293bd3c7d2a1a04cb7847d22c5db8e05ac64e9a6d7455aa0b

      SHA512

      7cfe2cc92f9e659f0a15a295624d611b3363bd01eb5bcf9bc7681ea9b70b0564d192d570d294657c8dc2c93497fa3b4526c975a9bf35d69617c31d9936573c6a

    • C:\HypercomwebsavesCommon\qBJRRaMx8bIHubO.bat

      Filesize

      51B

      MD5

      e6f650718077366b66c45793bf847aba

      SHA1

      053549a3540eb20fed7b618f899313ec8b36f7f9

      SHA256

      e75e8150eef010f32b581e9bb62b3ff17eda9302452252954ccf0822bfa38a1b

      SHA512

      99c82b2eec28d6c4c91e73c2bf8af1a6ee81234a5f57a5d53644b2bd2c6869f6b0a076bf45a4517f97a58f0974891c4fa5a69d5de09759efb256aa5fa2861814

    • C:\HypercomwebsavesCommon\r2mekDnwHuGTXInEFmE.bat

      Filesize

      12B

      MD5

      cde09bcdf5fde1e2eac52c0f93362b79

      SHA1

      7a0fd90576e08807bde2cc57bcf9854bbce05fe3

      SHA256

      7592a3326e8f8297547f8c170b96b8aa8f5234027fd76593841a6574f098759c

      SHA512

      0c3dc6a9d88ac98ee08a6aac028a1cf72e6d736227d36904a9daec84b30c2fccfd57a41daa4d73384bb91339482e98e226578eb0d87c958c2bfd2353181b680b

    • C:\Users\Admin\AppData\Local\Temp\5ZtjTEPxws.bat

      Filesize

      227B

      MD5

      1ebee73cd8dfff1127232a13136a3c48

      SHA1

      39e57836035c3f1cd6ccad58ddeea1cebe0ad05b

      SHA256

      1edc87dfd9c057f0def4a600d63341dbf58aacfd72fe911ee03b3d2b54a93ef6

      SHA512

      0fba543cd3a319a628bf17063c07c964c960ea5f060c8af538365f1d65699cc89b6af44ec0700056fe81cf41a8076337c7644e568e46ed8446e4f7a63a0e23fa

    • C:\Users\Admin\AppData\Local\Temp\tmp5C8D3.tmp

      Filesize

      904B

      MD5

      12ebf6c4c8c80710f46850ea08181fd8

      SHA1

      e01de4544f79e16cefade22be211c3af606cbb51

      SHA256

      2ce86b43fe4cbc9f9675959f234db6d87d8086422caf8dead607d2886f3fea7e

      SHA512

      14ab082ba9bd25a99d349d31299ab86622efc5e9039688aff55448d0acc751f839202d0fcd17b8aed7cd6fe0f18035234647288d96056e7f11ba1a67cf952715

    • memory/1548-26-0x0000000003010000-0x0000000003066000-memory.dmp

      Filesize

      344KB

    • memory/1548-25-0x00000000016C0000-0x00000000016D6000-memory.dmp

      Filesize

      88KB

    • memory/1548-24-0x0000000002FC0000-0x0000000003010000-memory.dmp

      Filesize

      320KB

    • memory/1548-27-0x00000000014D0000-0x00000000014E2000-memory.dmp

      Filesize

      72KB

    • memory/1548-28-0x000000001C8F0000-0x000000001CE18000-memory.dmp

      Filesize

      5.2MB

    • memory/1548-31-0x0000000003070000-0x0000000003078000-memory.dmp

      Filesize

      32KB

    • memory/1548-30-0x0000000001700000-0x0000000001708000-memory.dmp

      Filesize

      32KB

    • memory/1548-29-0x0000000001510000-0x000000000151E000-memory.dmp

      Filesize

      56KB

    • memory/1548-23-0x00000000014F0000-0x000000000150C000-memory.dmp

      Filesize

      112KB

    • memory/1548-22-0x0000000000AC0000-0x0000000000D12000-memory.dmp

      Filesize

      2.3MB

    • memory/3052-60-0x000000001C3A0000-0x000000001C3F6000-memory.dmp

      Filesize

      344KB

    • memory/3052-61-0x0000000003220000-0x0000000003232000-memory.dmp

      Filesize

      72KB