Overview

overview

10

Static

static

8

richiesta_...93.xls

windows7_x64

10

richiesta_...93.xls

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08-07-2020 13:12

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General

  • Target

    richiesta_0807.2193.xls

  • Size

    147KB

  • MD5

    1b230ec057ca63103bcc152c9d65d44e

  • SHA1

    65ff4ccc9df22538ae241215115dab731a4df231

  • SHA256

    a1692c6d82afc11ba63d63d04644af1d0f7aa2deb882931b03b0821c0b9588d3

  • SHA512

    e18f1b221dac2ab42a0c7de23ed772f169548580ee89a796bfd5e3a56551f6981f504da8891d471e0d8f3de624cfdd1ce9d6797bc7ddf92355ce531577fbcdac

Score
10/10

Malware Config

Signatures

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\richiesta_0807.2193.xls"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:2984
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\NSag.vbs
      2⤵
      • Process spawned unexpected child process
      PID:8
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\NSag.vbs"
      2⤵
        PID:424

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\NSag.vbs
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    • C:\Users\Admin\AppData\Local\Temp\zaY7.txt
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    • memory/8-0-0x0000000000000000-mapping.dmp

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    • memory/424-2-0x0000000000000000-mapping.dmp

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