Analysis

  • max time kernel
    136s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04-03-2021 00:18

General

  • Target

    DHL Document.exe

  • Size

    1.1MB

  • MD5

    92900a9f09ad28e0e6068988f85383c4

  • SHA1

    d2088728af43a30bd69fd4bff9db5e9a6f54d55c

  • SHA256

    73429ed369e556843e28f21b233a49aa9cc7b55d36c5be69f3745a75d17eaf1f

  • SHA512

    77ff1b0a1d99f92204955a60599953965292ead8dc41c2b993a4c522350eeb50efead8fcc7500d72e823b04efa6165e750fcc5f5f793f8af192252cebc354d40

Malware Config

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Document.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lTZDstzxRzxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DFD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3780
    • C:\Users\Admin\AppData\Local\Temp\DHL Document.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"
      2⤵
        PID:2224
      • C:\Users\Admin\AppData\Local\Temp\DHL Document.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"
        2⤵
          PID:804

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp4DFD.tmp

        MD5

        734e3f0480ca10f9b9cedc6d451e7d12

        SHA1

        9c113cfb6c427b9f547ae6ae315698f07d15b7e5

        SHA256

        21b877010f002f6c7a0b8e37e37dc84eca0ceaa358544b428fb9ef5a5f167875

        SHA512

        b0dc7201d1c3ffd85707677d0f93e4097bb527c805f912448ab2b8e0f395d163c9134b850ec3b0f86a7f1744400224e7c11d33fa2b2d3b89f53050a12a0fcbd4

      • memory/804-18-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/804-17-0x000000000040242D-mapping.dmp

      • memory/804-16-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/1032-7-0x0000000005360000-0x0000000005361000-memory.dmp

        Filesize

        4KB

      • memory/1032-8-0x00000000052C0000-0x00000000052C1000-memory.dmp

        Filesize

        4KB

      • memory/1032-9-0x0000000005500000-0x0000000005501000-memory.dmp

        Filesize

        4KB

      • memory/1032-10-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

        Filesize

        4KB

      • memory/1032-11-0x0000000005340000-0x0000000005347000-memory.dmp

        Filesize

        28KB

      • memory/1032-12-0x00000000054F0000-0x00000000054F1000-memory.dmp

        Filesize

        4KB

      • memory/1032-13-0x0000000005770000-0x00000000057BF000-memory.dmp

        Filesize

        316KB

      • memory/1032-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

        Filesize

        6.9MB

      • memory/1032-6-0x00000000057C0000-0x00000000057C1000-memory.dmp

        Filesize

        4KB

      • memory/1032-5-0x0000000005220000-0x0000000005221000-memory.dmp

        Filesize

        4KB

      • memory/1032-3-0x00000000008D0000-0x00000000008D1000-memory.dmp

        Filesize

        4KB

      • memory/3780-14-0x0000000000000000-mapping.dmp