General

  • Target

    Fluster.Installer.exe

  • Size

    20.6MB

  • Sample

    231106-nh4qraag3y

  • MD5

    a38061b6378ce80dec21156a3be93bfc

  • SHA1

    b53d6e1f809b83c31b305b28c566bc7c4f16ae71

  • SHA256

    23293cb46bc0420025be9a619d0449158feac56bae08846d987dd52872d272ad

  • SHA512

    101a4b58b16e73c662a571408688188e8ca890e8f199762270af2d97e783c925f6c627fbf4f49613d652cc523820963a79a92d51b69ccfbc46a987b33f0dfe92

  • SSDEEP

    393216:VUdMOZ0JTQDXYCxnOshouIkPUktRL5KkJb8LgSUu16RCOdMs9AC:VUdMOZ0JTQ7YCxOwouYktRLIaLSSW4j

Malware Config

Targets

    • Target

      Fluster.Installer.exe

    • Size

      20.6MB

    • MD5

      a38061b6378ce80dec21156a3be93bfc

    • SHA1

      b53d6e1f809b83c31b305b28c566bc7c4f16ae71

    • SHA256

      23293cb46bc0420025be9a619d0449158feac56bae08846d987dd52872d272ad

    • SHA512

      101a4b58b16e73c662a571408688188e8ca890e8f199762270af2d97e783c925f6c627fbf4f49613d652cc523820963a79a92d51b69ccfbc46a987b33f0dfe92

    • SSDEEP

      393216:VUdMOZ0JTQDXYCxnOshouIkPUktRL5KkJb8LgSUu16RCOdMs9AC:VUdMOZ0JTQ7YCxOwouYktRLIaLSSW4j

    • Enumerates VirtualBox DLL files

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Target

      discord_token_grabber.pyc

    • Size

      17KB

    • MD5

      e523026b612006e580e96bd9e2a8882c

    • SHA1

      03b9938701f7eff11a0c3632ed805e8188598c88

    • SHA256

      8ae6baddc552f9a47c488760a3d3b04f217f7c999dbffc1a548bb09532e6bf77

    • SHA512

      a0f15f5edecbab4894aa3b85092fc2bde34b76f6048b198ce387d59a56d6c74969201cc43d19cd27a9ff0a6ab72268884a90ef206f0be34a5707a7f6ea24a853

    • SSDEEP

      384:cGllyAavwS9F0RW807PPQviowoYbCj+Mo8WWIc02a8:cIlytvX9iRW8inQ6owoYOyM0d2a8

    Score
    3/10
    • Target

      get_cookies.pyc

    • Size

      10KB

    • MD5

      b38f506528b3d6d5dbd851426c347b95

    • SHA1

      e91bf4ef42128267934e21be0176e552480f5977

    • SHA256

      85a7c34afad2c270ca690a5b4c30cc8bf16967e623fc77f4de4497901030a93b

    • SHA512

      ab110dc92eba564fd0ec6c6a75e779f588518dc1aa461f072ab02b96bc11fbe25e09faa6a556dc6a127c3e8826382697b72037a0cefbdaf32fd70a723e746295

    • SSDEEP

      192:TzOCIeinQfUF9LdwOEVOFc1mNe47+o+zEzzzzz1zz+HoowAE:TzOUiQccEe4KoOIAE

    Score
    3/10
    • Target

      misc.pyc

    • Size

      5KB

    • MD5

      31aa260c6cdeaa9d942cd0dcfcadd16a

    • SHA1

      a6818f3acf5c2ab9d65b41a81cb92b36b85cc932

    • SHA256

      b522284f1a7e518c269c0414160407ec7834a4397f85ef389433b49367b5df9c

    • SHA512

      0dd277ef948315a3554bd8c5110e27afa9b2eac88defc1211771c050cdd27b3668484dec35ec5c5010bff00b62c2cebd9e7286c0b114ad28437719b42bd0fc2c

    • SSDEEP

      96:DSajAihmJG4n3B4SmSSSSlSSSShDwegPbbVxlj0nIAEDS5ejmw01k9Bddpq:eYAfn3ySmSSSSlSSSSeeOPVxx0nIAZeQ

    Score
    3/10
    • Target

      passwords_grabber.pyc

    • Size

      8KB

    • MD5

      83598b70aceb59c6110ac775b51d5b64

    • SHA1

      2838321de9ef685a66af1157ef18d2ac4d9c06ab

    • SHA256

      ea26e61dc4ebafcb02301290a96e6fb91ea4df1c111eb6a85f156d95c3c5d8c1

    • SHA512

      c8805e7f8a4c4635b44b7611f559de53e8d90c4411631a69dcb9453e7dad13e114efa57793848717da9f410c06d194210406681a52925a0d1dec5f326f61dfd5

    • SSDEEP

      192:+CE34EAL/GFf/PomdPO23NsDmqFUhkxrvP9VRvM:Y4EAL/AfRBO8NsxuOxZw

    Score
    3/10
    • Target

      source_prepared.pyc

    • Size

      51KB

    • MD5

      6af595271fadd2e9ce6c946b8d235ae1

    • SHA1

      13ff0488c5ada57709cb8bba547d43ba6d687e1d

    • SHA256

      b90b8e9af011f2de87c646efde95af7cce62dc953e4d675a046088906ddc159a

    • SHA512

      855ce66a22b9aa05a5c39dd054b108c71f148d5b2993300bd29865bea43ef56117bbbfd05f6be28b37f7a2b5dec6d2a4e03f42dd278053663e1534af4a35476c

    • SSDEEP

      768:xVO2+NxLa2olULdxuTxTAz+sBJsdPdb0HwcgVa+rVh:oxLaaUFAzdJs8HwcIaih

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks