General

  • Target
    Crystal-Client-Launcher-setup.exe
  • Size 62.3MB
  • Sample260620-qq5dcsfs8j
  • SHA256 24036f23f1be0d4024c16ee49234bbe9df2fbac068ed9df0ed47f56d596d158a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Crystal-Client-Launcher-setup.exe
    • Size 62.3MB
    • SHA256 24036f23f1be0d4024c16ee49234bbe9df2fbac068ed9df0ed47f56d596d158a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates processes with tasklist

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

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

    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      Crystal Client Launcher.exe
    • Size 133.2MB
    • SHA256 8dc40dcd2d9d2c65785999249112fe7729d546f378bd85828a65c29db9078628
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Target
      LICENSES.chromium.html
    • Size 5.2MB
    • SHA256 bf59a74b4404aa0c893ca8bbe636498629b6a3acdff4acb84de692462fd626e4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      d3dcompiler_47.dll
    • Size 4.3MB
    • SHA256 44422e6936dc72b7ac5ed16bb8bcae164b7554513e52efb66a3e942cec328a47
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ffmpeg.dll
    • Size 2.6MB
    • SHA256 61c6bd5fee2c150265241a15379c4053b174b1cd7687749629afcdbd1264a02e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libEGL.dll
    • Size 431KB
    • SHA256 994972c1bc515c199552d50e97ad217ae15a3eed16db06181c7df50e743e8a56
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libGLESv2.dll
    • Size 7.6MB
    • SHA256 1ebc1da8d7e463a5d3dc127a632989ef35cfbd94cb18bf1f8ee790f172d43703
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      swiftshader/libEGL.dll
    • Size 445KB
    • SHA256 162abe61314e720384d8cdd43190a89df8a96de52f3ede7b6c58998f615d8546
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      swiftshader/libGLESv2.dll
    • Size 3.0MB
    • SHA256 c167a458174e2a280c39d7af31bd109e8e2921032a687097b584653adc33ab21
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vk_swiftshader.dll
    • Size 4.3MB
    • SHA256 a648cd4671b12b469c4d2de20c2ba2429c9388c0f9d4b3d9d2244853d0e5acb5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vulkan-1.dll
    • Size 715KB
    • SHA256 22bb65dd206ce7ee10c05557933a04a04144e1a8228d2a9d1e9d704b0b1b2f7c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Uninstall Crystal Client Launcher.exe
    • Size 252KB
    • SHA256 e9923d9abe0d6d360c0331ab30264e002e27eefdc639048ceca21b1902efac54
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscoveryspywaretrojan
Score
7/10

behavioral2

discovery
Score
3/10

behavioral3

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

defense_evasionspywaretrojan
Score
6/10

behavioral7

discovery
Score
4/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

discovery
Score
3/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

discovery
Score
3/10

behavioral18

discovery
Score
3/10

behavioral19

discovery
Score
3/10

behavioral20

discovery
Score
7/10

behavioral21

discovery
Score
3/10

behavioral22

discovery
Score
3/10

behavioral23

discovery
Score
3/10

behavioral24

discovery
Score
3/10

behavioral25

discovery
Score
3/10

behavioral26

discovery
Score
3/10