Overview

overview

10

Static

static

8

Recibo de pagoUSD.xls

windows7_x64

10

Recibo de pagoUSD.xls

windows10_x64

8

Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10/07/2020, 16:57

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General

  • Target
    Recibo de pagoUSD.xls
  • Size 166KB
  • Sample200710-en8e53a5an
  • SHA256 4c324015e50495b053576c0f1d691f5693d9ea18a33e9bf41d7c26f2101fe777
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Program crash 1 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 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\Recibo de pagoUSD.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe"
      2⤵
      • Executes dropped EXE
      PID:3460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 848
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3192

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/3192-28-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
        Download

        memory/3192-8-0x00000000046A0000-0x00000000046A1000-memory.dmp
        Download

        memory/3192-29-0x00000000008A0000-0x00000000008A1000-memory.dmp
        Download