General

  • Target

    7z2409-x64.exe

  • Size

    1.6MB

  • Sample

    250322-jkx9jazxc1

  • MD5

    6c73cc4c494be8f4e680de1a20262c8a

  • SHA1

    28b53835fe92c3fa6e0c422fc3b17c6bc1cb27e0

  • SHA256

    bdd1a33de78618d16ee4ce148b849932c05d0015491c34887846d431d29f308e

  • SHA512

    2e8b746c51132f933cc526db661c2cb8cee889f390e3ce19dabbad1a2e6e13bed7a60f08809282df8d43c1c528a8ce7ce28e9e39fea8c16fd3fcda5604ae0c85

  • SSDEEP

    24576:hE6TUFJmLWnNo7w3FB/IDmqmhnooXx5bwHRecHNnq8pggpahKhpaAJe0D/Qy4Pq:hEgJL2No7eFBVtoSYRectq8pggJAC/aq

Malware Config

Targets

    • Target

      7z2409-x64.exe

    • Size

      1.6MB

    • MD5

      6c73cc4c494be8f4e680de1a20262c8a

    • SHA1

      28b53835fe92c3fa6e0c422fc3b17c6bc1cb27e0

    • SHA256

      bdd1a33de78618d16ee4ce148b849932c05d0015491c34887846d431d29f308e

    • SHA512

      2e8b746c51132f933cc526db661c2cb8cee889f390e3ce19dabbad1a2e6e13bed7a60f08809282df8d43c1c528a8ce7ce28e9e39fea8c16fd3fcda5604ae0c85

    • SSDEEP

      24576:hE6TUFJmLWnNo7w3FB/IDmqmhnooXx5bwHRecHNnq8pggpahKhpaAJe0D/Qy4Pq:hEgJL2No7eFBVtoSYRectq8pggJAC/aq

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dharma family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (779) files with added filename extension

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

    • Downloads MZ/PE file

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks