General

  • Target

    LCrypt0rX.vbs

  • Size

    25KB

  • Sample

    250322-es5lcsxxc1

  • MD5

    5c4dad0f397077e5e9cc55febfc096bd

  • SHA1

    eed1a50a4818890cb4c474792f8ad0258ab115a8

  • SHA256

    12897e2e24f1a59cf08655fcb274c08747ef550b16741e6306a0a8f94aefcb9c

  • SHA512

    90290ac0ca91e5cca3b2e19c4b5baec11523d7fe4ce674bd5f3db7e47f83deda55d923a635e2ad9e584af61c36e83209f548cfca867f9720a58a8a2181ac47c4

  • SSDEEP

    384:y8enbIbpBStxYUQHSH7l+ix/J/b6GvPpSy+tNywUTZEC:inucJb6UAUqC

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://45.93.20.18/

Wallets

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

0xCa90599132C4D88907Bd8E046540284aa468a035

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

CSLKveRL2zqkbV2TqiFVuW6twtpqgFajoUZLAJQTTQk2

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

Attributes
  • mutex

    k9ubbn6sdfs

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Extracted

Family

phorphiex

C2

http://185.215.113.66

http://45.93.20.18

185.215.113.66

Targets

    • Target

      LCrypt0rX.vbs

    • Size

      25KB

    • MD5

      5c4dad0f397077e5e9cc55febfc096bd

    • SHA1

      eed1a50a4818890cb4c474792f8ad0258ab115a8

    • SHA256

      12897e2e24f1a59cf08655fcb274c08747ef550b16741e6306a0a8f94aefcb9c

    • SHA512

      90290ac0ca91e5cca3b2e19c4b5baec11523d7fe4ce674bd5f3db7e47f83deda55d923a635e2ad9e584af61c36e83209f548cfca867f9720a58a8a2181ac47c4

    • SSDEEP

      384:y8enbIbpBStxYUQHSH7l+ix/J/b6GvPpSy+tNywUTZEC:inucJb6UAUqC

    • Modifies WinLogon for persistence

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Creates new service(s)

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Stops running service(s)

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks

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