Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11/01/2022, 23:39

General

  • Target
    SecuriteInfo.com.Heur.26424.5987.xlsm
  • Size 83KB
  • Sample220111-3m96naaae4
  • SHA256 e8aafc15bf0669df883db0e64e8f43f3682a856e74e19e95d9aa6b44aed98ea4
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://unifiedpharma.com/wp-admin/ildi5K2aTIrdvEobQ/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.26424.5987.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\adi.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\adi.ocx",DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:988
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Apgmimecd\xvbbpwwps.wbp",AtVsSURCPmd
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Apgmimecd\xvbbpwwps.wbp",DllRegisterServer
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1728

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/988-69-0x00000000009C1000-0x00000000009E5000-memory.dmp

        memory/988-75-0x0000000002521000-0x0000000002545000-memory.dmp

        memory/988-77-0x0000000002741000-0x0000000002765000-memory.dmp

        memory/988-67-0x0000000000781000-0x00000000007A5000-memory.dmp

        memory/988-71-0x0000000002421000-0x0000000002445000-memory.dmp

        memory/988-73-0x00000000024C1000-0x00000000024E5000-memory.dmp

        memory/1060-81-0x0000000000251000-0x0000000000275000-memory.dmp

        memory/1576-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1576-56-0x00000000718D1000-0x00000000718D3000-memory.dmp

        memory/1576-55-0x000000002F741000-0x000000002F744000-memory.dmp

        memory/1728-85-0x0000000000231000-0x0000000000255000-memory.dmp

        memory/1728-87-0x0000000000311000-0x0000000000335000-memory.dmp

        memory/1728-89-0x0000000000881000-0x00000000008A5000-memory.dmp

        memory/1728-91-0x0000000001E81000-0x0000000001EA5000-memory.dmp

        memory/1728-93-0x0000000002C01000-0x0000000002C25000-memory.dmp

        memory/1840-62-0x0000000000261000-0x0000000000285000-memory.dmp

        memory/1840-63-0x0000000000285000-0x0000000000286000-memory.dmp

        memory/1840-59-0x0000000076141000-0x0000000076143000-memory.dmp