Analysis

  • max time kernel
    105s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v200217
  • submitted
    03-03-2020 00:46

General

  • Target

    REVISED PURCHASE ORDER #00146 pdf.exe

  • Size

    1.1MB

  • MD5

    f02cce9c5ca0f7d9fa7e5e680f517399

  • SHA1

    8efa6b644c053e37204c3ad1fe2cb55fec3c264b

  • SHA256

    dfba8d6508a5b6ff77d41785718e4dfe524b968eed5d8db0676804b06c412756

  • SHA512

    7e30e3dc6de142f07fd2d205360dbc8c1e142ddce6800ab4212207bc31d849302edb40f97c029257534a03f32248d9b0e4b08015b991a9f8fd5e00e13003bc56

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • HawkEye Reborn

    HawkEye Reborn is an enchanced version of the HawkEye malware kit.

  • Uses the VBS compiler for execution 1 TTPs
  • Reads browser user data or profiles (possible credential harvesting) 2 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 29 IoCs
  • Suspicious use of SetThreadContext 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REVISED PURCHASE ORDER #00146 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\REVISED PURCHASE ORDER #00146 pdf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:3792
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wVtEKkaHL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA661.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:992
    • C:\Users\Admin\AppData\Local\Temp\REVISED PURCHASE ORDER #00146 pdf.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      PID:3032
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpDD02.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3180
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpE540.tmp"
        3⤵
          PID:3388

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA661.tmp

    • C:\Users\Admin\AppData\Local\Temp\tmpDD02.tmp

    • memory/3032-1-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/3180-2-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/3180-3-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/3388-5-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3388-6-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB