Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 13:22

General

  • Target

    90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe

  • Size

    256KB

  • MD5

    f7af4a7c9b22da810861a6bd07c55a87

  • SHA1

    a8d832d884d94372f6dc8f9a3718eb3b4db1ee09

  • SHA256

    90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041

  • SHA512

    feeadc83c12b5d8d678b8c1078b48de19fa6bea35224d84e7b1859c79ac8661836c25b9fa8dd5994fe2841cf08adea60864c4d94b43dc7861729174daf7b9ca6

  • SSDEEP

    6144:BcEWAuYkSubM5cAhVIdnwMVtyeelQikCwxjqdsCWTz4M:2hSSS5YlVtyeklPujqdmT9

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
    "C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
      C:\Users\Admin\AppData\Local\Temp\90e7babb24c19f8f9f5d9a708fc1cbd5dcd16609c1c18c85071ee15ff4ca6041.exe
      2⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\syswow64\explorer.exe
        "C:\Windows\syswow64\explorer.exe"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1728
        • C:\Windows\syswow64\svchost.exe
          -k netsvcs
          4⤵
            PID:2028
          • C:\Windows\syswow64\vssadmin.exe
            vssadmin.exe Delete Shadows /All /Quiet
            4⤵
            • Interacts with shadow copies
            PID:1984
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/908-65-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-57-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-66-0x0000000000416E70-mapping.dmp

    • memory/908-68-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/908-58-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-61-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-62-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-64-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/908-55-0x00000000001B0000-0x00000000002AA000-memory.dmp

      Filesize

      1000KB

    • memory/1060-59-0x00000000003C0000-0x00000000003C4000-memory.dmp

      Filesize

      16KB

    • memory/1060-54-0x0000000075021000-0x0000000075023000-memory.dmp

      Filesize

      8KB

    • memory/1728-67-0x0000000000000000-mapping.dmp

    • memory/1728-70-0x0000000074C51000-0x0000000074C53000-memory.dmp

      Filesize

      8KB

    • memory/1728-71-0x0000000000080000-0x00000000000A5000-memory.dmp

      Filesize

      148KB

    • memory/1984-73-0x0000000000000000-mapping.dmp

    • memory/2028-76-0x0000000000080000-0x00000000000A5000-memory.dmp

      Filesize

      148KB

    • memory/2028-72-0x0000000000000000-mapping.dmp

    • memory/2028-75-0x0000000000080000-0x00000000000A5000-memory.dmp

      Filesize

      148KB