Overview

overview

10

Static

static

31500fe985...70.exe

windows7_x64

10

31500fe985...70.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    190s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 07:04

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General

  • Target

    31500fe985cc88fd31f0d40b6a063215cbf06bbf05d32874114ff242b397c570.exe

  • Size

    53KB

  • MD5

    49105ba2250df1a9a3b91c909f029169

  • SHA1

    9ac66e5044fb111bec366a33266c20ab5a19353e

  • SHA256

    31500fe985cc88fd31f0d40b6a063215cbf06bbf05d32874114ff242b397c570

  • SHA512

    04853bde5c8e94990bcd308f02b20d95b59e11143acb21dd96b9ccc9e7fb4554983245903cc887fdd65e20645f4b37c1f4749844fe83085b0e583a9f67244715

Score
10/10
globeimposterpersistenceransomware

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 45 IoCs
  • Modifies registry class 33 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31500fe985cc88fd31f0d40b6a063215cbf06bbf05d32874114ff242b397c570.exe
    "C:\Users\Admin\AppData\Local\Temp\31500fe985cc88fd31f0d40b6a063215cbf06bbf05d32874114ff242b397c570.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:2608
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3676
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3424
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3508
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3508 -s 4020
      2⤵
      • Program crash
      PID:2800
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 404 -p 3508 -ip 3508
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:492

Network

MITRE ATT&CK Enterprise v6

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