Overview

overview

10

Static

static

star.exe

windows7_x64

10

star.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25/05/2022, 22:29

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General

  • Target
    star.exe
  • Size 360KB
  • Sample220525-2edbaaabfk
  • SHA256 59e0ab333060b4e510db5d36d87f0fe267ab66b0881955649b06d91d6dd2d486
  • MD5 SHA1 SHA512
Score
10/10
globeimposterpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\read-me.txt

  • globeimposter

Ransom Note
  • All your files are Encrypted! For data recovery needs decryptor. How to buy decryptor: ---------------------------------------------------------------------------------------- | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?STAHYJUHGFV | 3. Create Ticket ---------------------------------------------------------------------------------------- Note! This link is available via Tor Browser only. ------------------------------------------------------------ or http://helpqvrg3cc5mvb3.onion/ Your ID ���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
URLs

  • http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?STAHYJUHGFV

  • http://helpqvrg3cc5mvb3.onion/

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 27 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 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.

    persistence
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\star.exe
    "C:\Users\Admin\AppData\Local\Temp\star.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jVYbanglCI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp126F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1012
    • C:\Users\Admin\AppData\Local\Temp\star.exe
      "{path}"
      2⤵
      • Modifies extensions of user files
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      PID:4372

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmp126F.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmp126F.tmp
        • Size 1KB
        • SHA256 6ec599cb26599957903da52179aec5a7d77dc0a2ede351498887293c1d064741
        • MD5 SHA1 SHA512
        Submit Download

        jVYbanglCI.exe
        • Path C:\Users\Admin\AppData\Roaming\jVYbanglCI.exe
        • Size 360KB
        • SHA256 8c26c6e5a4849b9edd3a24ed93872b4b8344f2db5da7bdd8a89151640947df6c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2416-133-0x0000000004CE0000-0x0000000004D72000-memory.dmp
        Download

        memory/2416-134-0x0000000004BF0000-0x0000000004BFA000-memory.dmp
        Download

        memory/2416-135-0x0000000004EE0000-0x0000000004F36000-memory.dmp
        Download

        memory/2416-130-0x0000000000340000-0x00000000003A0000-memory.dmp
        Download

        memory/2416-132-0x0000000005290000-0x0000000005834000-memory.dmp
        Download

        memory/2416-131-0x0000000004C40000-0x0000000004CDC000-memory.dmp
        Download

        memory/4372-139-0x0000000000400000-0x000000000040E000-memory.dmp
        Download

        memory/4372-141-0x0000000000400000-0x000000000040E000-memory.dmp
        Download

        memory/4372-142-0x0000000000400000-0x000000000040E000-memory.dmp
        Download