General

  • Target
    DCRat (1).rar
  • Size 11.6MB
  • Sample260627-1pbprsdy3v
  • SHA256 9eaabb3b4738fb619662c55802c2bdf1eb089633675a0499f6adb34cccb77065
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      DCRat (1).rar
    • Size 11.6MB
    • SHA256 9eaabb3b4738fb619662c55802c2bdf1eb089633675a0499f6adb34cccb77065
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Family: DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Target
      Bypass_license.bat
    • Size 26B
    • SHA256 14909fadf850074a133eb01fcdf0f46426dad2d52e081c3f77ec0bc169499b47
    • MD5 SHA1 SHA512
    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Family: DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Target
      DCRat.exe
    • Size 72KB
    • SHA256 5ede5d774ab65f25357cf5a1fa5e354f6f2a9868651a0fa717485802b21b1939
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Notify.wav
    • Size 938KB
    • SHA256 fe881435f7cb3d6c9b3ab37476a11f8e5ac05b44a6d3acb07e9783e741a1b827
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      back.o
    • Size 664KB
    • SHA256 1dad158eebe2b6437b0ed6089495158be9e6ed7e31725894536888ab3f1a8b5f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/7zxa.dll
    • Size 155KB
    • SHA256 d0680ac62e94f953df031533acd0acb718ad8494f938d84198c655507709e5df
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/Default.SFX
    • Size 309KB
    • SHA256 b11ad1adfa96eacf5f18cf87785884947a6d35a1baebf4f20f16402b04d5109f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/NCC2.dll
    • Size 13KB
    • SHA256 a0b6bb521e52a99abf5ac1017302da014d37296619078d42d9edf5d86d137f63
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/NCC3.dll
    • Size 72KB
    • SHA256 38274608d5a4b53ec22f8099f798ba46ce0ed41db65a33dfb3853f0dbf849f6f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/NCCheck.dll
    • Size 162KB
    • SHA256 c41cd461470ff3c936e225cea37e5190cb06e3cd70a3d76ca8e5d3aceead5493
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/Rar.exe
    • Size 578KB
    • SHA256 770d7b5e40ed9b0aff5d0e3fc2ccf9ba10d4925d3441f38b71a35bd26e6e8d98
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/RarExt.dll
    • Size 481KB
    • SHA256 35a21f1aebf8ea0ab9be1814131fec1fa079d91b701e505054b69eccbdfd0732
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/RarExt64.dll
    • Size 554KB
    • SHA256 db28575f61b1adc88a28ae51ce3b00226e4974ca60894896e414ea408c6ff9fe
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/WinCon.SFX
    • Size 275KB
    • SHA256 ca08ed8423afda4b41757a1f3adf4f855732dc0628fe2ea5d8a96b13f56b9f84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/Zip.SFX
    • Size 263KB
    • SHA256 2293fe261d5c6f5f2a33004b11f068037677b7aa5a6f792031e31555f31f0d69
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      data/dnlib.dll
    • Size 1.1MB
    • SHA256 83445595d38a8e33513b33dfc201983af4746e5327c9bed470a6282d91d539b6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      design/DeleteAll_legacy.json
    • Size 505B
    • SHA256 4ba6475a0a4c6c5066edf7e6804b3aea7f068158a5d4f6338cd588aabfb5761b
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      design/PluginsLoader_legacy.json
    • Size 1KB
    • SHA256 b6bb085530253fdb495e19ed433223fca65a6fc176835120c6f117d7fafd9297
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      eula
    • Size 40B
    • SHA256 9f2b13c0afa3c328ed2fdbb684d3f411c527408a1e5312b79d8fa30c113a4a5f
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      f00263888b3a2bbd9e5834bb59d27e24c093692316706b91d827fcd4ab93ce39
    • Size 8KB
    • SHA256 5a5ca2cf2b9133e60c842d7c37410916944d478c4968bece67623557123ff843
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      plugins/Audio_native.plg
    • Size 168B
    • SHA256 822869646486a798dc943c015e1bca6ac19b440652f8c93ddec4373c76846bef
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/Audio_native/Audio_native.dclib
    • Size 276KB
    • SHA256 e2366996de12777a2e2b044afefdc7eb0dd8ba090c3241879c5426fc95622e0b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      plugins/Audio_native/configuration.json
    • Size 102B
    • SHA256 96184ab6b632d6715d7b9f22de206319c44e3b268db4ac7b85acf4cfd17f6902
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/Audio_native/fav.png
    • Size 2KB
    • SHA256 a4f7e5adde35c1979fbf2cc44b37e2907ec963468443e34262b207dd3dab81b8
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10
    • Target
      plugins/BrowsersStealer_native.plg
    • Size 200B
    • SHA256 d02d6b6f1e2e7291e41d0d076d45322f9d34ba23c9b35be843cf43afffbc06b8
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/BrowsersStealer_native/BrowsersStealer_native.dclib
    • Size 198KB
    • SHA256 0662ebd3f305d8f0ffc5ca67cce8dd920d7d910fb9cf60cb31e11c78b143f173
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      plugins/BrowsersStealer_native/configuration.json
    • Size 112B
    • SHA256 d5b69f3ce285b018f0cd1c4b93f4eacdbd02853f7c17c4c26e65f9665e59de84
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/BrowsersStealer_native/fav.png
    • Size 2KB
    • SHA256 a4f7e5adde35c1979fbf2cc44b37e2907ec963468443e34262b207dd3dab81b8
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10
    • Target
      plugins/ClientsStealer_native.plg
    • Size 197B
    • SHA256 0d93e907d03a8a161deaf26d83221d8159e03768e47c67fac3aedf85d7733210
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/ClientsStealer_native/ClientsStealer_native.dclib
    • Size 153KB
    • SHA256 d3f5b9f9bb6de05dcd59addd71ed7ca7a48a8cdc1bb07792fd8eec1d6b0824f3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      plugins/ClientsStealer_native/configuration.json
    • Size 111B
    • SHA256 9bd962e5d852e0a0c8fb72606bfb0a21ec35e07a0fe34a6ddb22ac7be07fe401
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      plugins/TestDCLIB/file.dclib
    • Size 6KB
    • SHA256 297f15033b833bb4f41c7933d171561c4b4c278a2253c5d6bcb21a6e3d45a3f5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks

static1

upxratinfostealerdcrat
Score
10/10

behavioral1

discoveryexecutiondcratinfostealerpersistencerat
Score
10/10

behavioral2

discoveryexecutiondcratinfostealerpersistencerat
Score
10/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
6/10

behavioral5

Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

discovery
Score
3/10

behavioral16

Score
1/10

behavioral17

Score
3/10

behavioral18

Score
3/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
3/10

behavioral22

Score
3/10

behavioral23

Score
3/10

behavioral24

Score
1/10

behavioral25

Score
3/10

behavioral26

Score
3/10

behavioral27

Score
3/10

behavioral28

Score
1/10

behavioral29

Score
3/10

behavioral30

Score
3/10

behavioral31

Score
3/10

behavioral32

Score
1/10