Overview

overview

10

Static

static

10

2025-01-25...ry.exe

windows7-x64

10

2025-01-25...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2025, 19:43

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General

  • Target
    2025-01-25_ea6329f56de3d950ec51147a51e7e4f5_destroyer_wannacry.exe
  • Size 23KB
  • Sample250125-yfb8tsxpct
  • SHA256 5a55e691732dc0601f0db09e4e3a9ea5faace1a6497455e5f9223dc913c4f264
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\Documents\read_it.txt

Ransom Note
  • GARMIN Your files have been encrypted! All of your files are locked. We have used strong encryption to secure all of your data. To decrypt it, you need to pay a ransom. Contact us at: [email protected] for the price of your data. Important: Do not try to restore your files using backup systems or third-party tools, as this may lead to permanent data loss. You have 24hours to make the payment before your files are permanently deleted. If you contact law enforcement or attempt to bypass the process, we will delete your data immediately and without warning. We are the only ones who can restore your files.

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Chaos family
    chaos
  • Renames multiple (219) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 34 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-25_ea6329f56de3d950ec51147a51e7e4f5_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-25_ea6329f56de3d950ec51147a51e7e4f5_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Users\Admin\AppData\Roaming\wastedLocker.exe
      "C:\Users\Admin\AppData\Roaming\wastedLocker.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        wastedLocker.exe
        • Path C:\Users\Admin\AppData\Roaming\wastedLocker.exe
        • Size 23KB
        • SHA256 5a55e691732dc0601f0db09e4e3a9ea5faace1a6497455e5f9223dc913c4f264
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        read_it.txt
        • Path C:\Users\Admin\Documents\read_it.txt
        • Size 641B
        • SHA256 be50e1cdfae402763e8cce03be4029e01bd555c8d1f9d6dae54b8515d1dd1875
        • MD5 SHA1 SHA512
        Submit Download

        memory/1396-14-0x00007FFFCD2F0000-0x00007FFFCDDB1000-memory.dmp
        Download

        memory/1396-24-0x00007FFFCD2F0000-0x00007FFFCDDB1000-memory.dmp
        Download

        memory/1396-505-0x00007FFFCD2F0000-0x00007FFFCDDB1000-memory.dmp
        Download

        memory/4596-0-0x00007FFFCD2F3000-0x00007FFFCD2F5000-memory.dmp
        Download

        memory/4596-1-0x0000000000750000-0x000000000075C000-memory.dmp
        Download