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Resubmissions

25/07/2024, 20:33

240725-zbyrpsshmk 9

25/07/2024, 20:19

240725-y37cgssdmp 9

25/07/2024, 20:16

240725-y18sjavhqg 9

General

  • Target

    f2b3c6d7549e216fe9e8fb517553a240N.exe

  • Size

    64KB

  • Sample

    240725-zbyrpsshmk

  • MD5

    f2b3c6d7549e216fe9e8fb517553a240

  • SHA1

    c8c59541cc7bb898a6ca98e1bcf9981e1fb78ee4

  • SHA256

    b29e8580734a462ecd1834e60e46a5276d5c58d65a89a43fd66e21373c7bc99a

  • SHA512

    cd110e425299c12df33a94121cf3982d4a974145c11d1645b9c7cdf57c15c1fe2ff3e5dc386c73be1b0b51d14466c0059665396d9f985903df0b2ddb9339addd

  • SSDEEP

    768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeIiKxP:CTWJGpG7TWJGpGjUpCUpS

Malware Config

Targets

    • Target

      f2b3c6d7549e216fe9e8fb517553a240N.exe

    • Size

      64KB

    • MD5

      f2b3c6d7549e216fe9e8fb517553a240

    • SHA1

      c8c59541cc7bb898a6ca98e1bcf9981e1fb78ee4

    • SHA256

      b29e8580734a462ecd1834e60e46a5276d5c58d65a89a43fd66e21373c7bc99a

    • SHA512

      cd110e425299c12df33a94121cf3982d4a974145c11d1645b9c7cdf57c15c1fe2ff3e5dc386c73be1b0b51d14466c0059665396d9f985903df0b2ddb9339addd

    • SSDEEP

      768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeIiKxP:CTWJGpG7TWJGpGjUpCUpS

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Renames multiple (12303) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks