Resubmissions

11-03-2024 12:18

240311-pg1s5sbh41 10

General

  • Target

    Zero.exe

  • Size

    17.9MB

  • Sample

    240311-pg1s5sbh41

  • MD5

    2998f4003a3e6f71c2bed6f03c41010a

  • SHA1

    b84576dc70782fd5611bb2b7823322d5b54dae59

  • SHA256

    765a8be97a33e9c9dd98f186fe9088b7baafa2900dc706d15d23544b5189ff80

  • SHA512

    82adf8b7e92ed13c7844cf04714c15e8e320966504b4d26479f6cee7171c7cf1932fc0830764ba6b0279e64974fbd05bde629288add7f7108a720342d8c773b6

  • SSDEEP

    196608:ORcji51nFGAsxIBTKGu+4xIA/HEaFBheW4+SbI2oenTFLdT:OG251FGAsxevuxx3/KT+SbIZE

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Targets

    • Target

      Zero.exe

    • Size

      17.9MB

    • MD5

      2998f4003a3e6f71c2bed6f03c41010a

    • SHA1

      b84576dc70782fd5611bb2b7823322d5b54dae59

    • SHA256

      765a8be97a33e9c9dd98f186fe9088b7baafa2900dc706d15d23544b5189ff80

    • SHA512

      82adf8b7e92ed13c7844cf04714c15e8e320966504b4d26479f6cee7171c7cf1932fc0830764ba6b0279e64974fbd05bde629288add7f7108a720342d8c773b6

    • SSDEEP

      196608:ORcji51nFGAsxIBTKGu+4xIA/HEaFBheW4+SbI2oenTFLdT:OG251FGAsxevuxx3/KT+SbIZE

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • Modifies WinLogon for persistence

    • UAC bypass

    • Disables RegEdit via registry modification

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks