Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2022 09:43

General

  • Target

    1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe

  • Size

    79KB

  • MD5

    2cd19f67df6d9e1a42e9893e3813b459

  • SHA1

    308b02416b9930bfc1d3fbbef9d184dcbf5714b4

  • SHA256

    1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368

  • SHA512

    1b77d760ba626308fd67572189821b7c97bf619495da7bd063fe35ee5eceedfe08dfbee02b9d26381b23cdab848bcad27a56632b89a702bb9cac1e5026de5304

  • SSDEEP

    1536:m6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:ghZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

Score
10/10

Malware Config

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 25 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe
    "C:\Users\Admin\AppData\Local\Temp\1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1908
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1804
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/900-54-0x0000000076121000-0x0000000076123000-memory.dmp

    Filesize

    8KB

  • memory/1216-57-0x0000000000000000-mapping.dmp

  • memory/1804-58-0x0000000000000000-mapping.dmp

  • memory/1908-56-0x0000000000000000-mapping.dmp

  • memory/1920-55-0x0000000000000000-mapping.dmp