General

  • Target
    YUMI.rar
  • Size 2.0MB
  • Sample260913-ldly2axvbx
  • SHA256 98b6c6c47069106623a5ba02744b1809405bbc0b2419d40e06d0ee9d15c86c93
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      YUMI.rar
    • Size 2.0MB
    • SHA256 98b6c6c47069106623a5ba02744b1809405bbc0b2419d40e06d0ee9d15c86c93
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      YUMI/YUMI.exe
    • Size 4.3MB
    • SHA256 dbdc81bacde0aabecc19512e2c91e5ebddc62d7665942ccd87256d6e41b0d6ed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      YUMI/license.txt
    • Size 10B
    • SHA256 2a1517114997b3bf7578867e4d212566305c2387a47ba1e534ca8a71ad814c53
    • MD5 SHA1 SHA512
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks