Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    02/07/2020, 06:32

General

  • Target
    wp-keys_php.dll
  • Size 483KB
  • Sample200702-7k787pd2ee
  • SHA256 cf90fce260606f17508445c8347dc274157bd269c002fd705ab168be96f28538
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Blacklisted process makes network request 37 IoCs
  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1292
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\wp-keys_php.dll,#1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:824
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\wp-keys_php.dll,#1
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          PID:828
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        2⤵
        • Blacklisted process makes network request
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        PID:1368

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1368-1-0x0000000000090000-0x00000000000BC000-memory.dmp

          memory/1368-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

          memory/1368-3-0x0000000000090000-0x00000000000BC000-memory.dmp