Overview

overview

10

Static

static

3

92f124ea52...ed.exe

windows10-2004-x64

10

92f124ea52...ed.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    ryuk_92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed.zip
  • Size 352KB
  • Sample250429-nvs5sa1l17
  • SHA256 dd32372cc27169a4015ecd64bd857b4846faa219cc170b87fb7044e88207650b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
ryukcredential_accessdiscoveryransomwarespywarestealer

Malware Config

Targets

    • Target
      92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed
    • Size 353KB
    • SHA256 92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    ryukcredential_accessdiscoveryransomwarespywarestealer

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Ryuk family

      ryuk

    • Renames multiple (7345) files with added filename extension

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

      ransomware

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks