General

  • Target
    plexo-1.0.0-rc.15-setup.exe
  • Size 245.8MB
  • Sample261030-knw2baxy7p
  • SHA256 55ab7f7f075297898cd2b608789437455e5428c01b26ac69588ea82587c7256b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      plexo-1.0.0-rc.15-setup.exe
    • Size 245.8MB
    • SHA256 55ab7f7f075297898cd2b608789437455e5428c01b26ac69588ea82587c7256b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Checks installed software on the system

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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
      plexo.exe
    • Size 234.6MB
    • SHA256 43fcab90988f161f6915ed833f4611778e7cab4c130b3adc46c5cf28daf24fe9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/build/Release/bufferutil.node
    • Size 151KB
    • SHA256 eddd60b400bd7335da06a9a7984c1a342d317ab79c7802e04438f3e02a16ecbf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/fallback.js
    • Size 899B
    • SHA256 f4a65d1a98db49439616119fba09be0d9a4217af57b21282ab7b91c8b5a082b9
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/index.js
    • Size 136B
    • SHA256 70846a43c2bd3b1077461563194e4d2407b18e7d767d6fd8785ea9b7d6ddd044
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/linux-x64/bufferutil.node
    • Size 14KB
    • SHA256 9d0bce137193c8630da76797596742368798f72d1564d43be0d716ac74312bda
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/win32-ia32/bufferutil.node
    • Size 126KB
    • SHA256 d3cc72764c09f4b2a7f885f5167811fd22dd3728b59bb1a18fa5a6f504317689
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/win32-x64/bufferutil.node
    • Size 151KB
    • SHA256 9bf6ec4d84b75403a50f22d9bdba2cfb287f12472374c9d5eb736c963a997ee9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/binding.js
    • Size 90B
    • SHA256 f6610bfca5b4420ec3d8d061fb0a7b8093fb65daaa7c3b055ed49faa6152658b
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/index.js
    • Size 7KB
    • SHA256 607e535d8f99cd601b172cdb4844519468e61a6101e36910bff959adcd7f663d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-arm/fs-native-extensions.bare
    • Size 28KB
    • SHA256 85bc986ef4301ac05c261623a521490770e365e98b99c3cb996ff91e5a2a012f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-arm/fs-native-extensions.node
    • Size 32KB
    • SHA256 5bc621f1528afebad0502b0ad911cebbe853f00e12dcfd360ba74b3fc0f30f59
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-arm64/fs-native-extensions.bare
    • Size 36KB
    • SHA256 aa0131a1f1ec1010529e3f0d8dcd5991ee55c82274a53c972e6dde3a588a1840
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-arm64/fs-native-extensions.node
    • Size 40KB
    • SHA256 502cbbf6fdc6dcd23f08e5d41f3c9eec5aab2d4320f6718df569bf4d8672d727
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-ia32/fs-native-extensions.bare
    • Size 30KB
    • SHA256 3f99a7aab7b4c4a30ce3c601f3c599d6c94a1b690c27d771b24d996696d4592a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-ia32/fs-native-extensions.node
    • Size 33KB
    • SHA256 6823b0a8fa81d6a7115fc694ef948a18b4aef832587a83d67cc3a365df3193e6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-x64/fs-native-extensions.bare
    • Size 33KB
    • SHA256 9f5110c03aaee25890e8521433808fd634877b0e4de46a7531b4773bf74c8f8e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/fs-native-extensions/prebuilds/android-x64/fs-native-extensions.node
    • Size 36KB
    • SHA256 9e59e652f7a52e6b0a49cf578ab18b3be646983987bb4e7d91e22965760c3d9a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/build/koffi/linux_arm64/koffi.node
    • Size 1.5MB
    • SHA256 03d762daa26800a5680481a6798c05d30c3c4764110d6ff70e4bc87822a7f17e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/build/koffi/linux_x64/koffi.node
    • Size 1.5MB
    • SHA256 384c2a27faf08b82721613d6880c978716b58edcb81656be787c6b59e9a4134a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/build/koffi/win32_x64/koffi.node
    • Size 1.5MB
    • SHA256 1305fdf18bcb5e71c1cd0530cd0834b9858beb01606f58086e587343809bfa3b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/index.js
    • Size 20KB
    • SHA256 d895da378d05e71f76e710d07a0e8688b7cd35cebeff8314a1d1c0786789654e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/indirect.js
    • Size 18KB
    • SHA256 7d9b09b6fa27158991c5594817eaf7ed4ee01876cde52404efacd6d9482a5d14
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/koffi/lib/native/base/crc_gen.py
    • Size 2KB
    • SHA256 605109bcb12c06748b022bb1a7948fe5e4c6376bc87b21d232fca9b1d9a241ec
    • 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
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $R0/Uninstall plexo.exe
    • Size 201KB
    • SHA256 6dbb6f1c224aa34e0ee2a2c35ba079ab72083309201ef56b83f66b5871efe383
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscoveryexecutionspywarestealer
Score
7/10

behavioral2

discovery
Score
3/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discoveryexecutionspywarestealer
Score
7/10

behavioral7

Score
1/10

behavioral8

execution
Score
3/10

behavioral9

execution
Score
3/10

behavioral10

execution
Score
3/10

behavioral11

discovery
Score
3/10

behavioral12

Score
1/10

behavioral13

execution
Score
3/10

behavioral14

execution
Score
3/10

behavioral15

execution
Score
3/10

behavioral16

execution
Score
3/10

behavioral17

execution
Score
3/10

behavioral18

execution
Score
3/10

behavioral19

execution
Score
3/10

behavioral20

execution
Score
3/10

behavioral21

execution
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

execution
Score
3/10

behavioral24

execution
Score
3/10

behavioral25

Score
1/10

behavioral26

execution
Score
3/10

behavioral27

execution
Score
3/10

behavioral28

execution
Score
3/10

behavioral29

discovery
Score
3/10

behavioral30

discovery
Score
3/10

behavioral31

discovery
Score
3/10

behavioral32

defense_evasiondiscoveryexecution
Score
7/10