Overview

overview

10

Static

static

10

2024-03-07...ry.exe

windows7-x64

10

2024-03-07...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2024, 18:28

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General

  • Target
    2024-03-07_777642d092240d5237da22123428a3ec_destroyer_wannacry.exe
  • Size 21KB
  • Sample240307-w4mncsbd4z
  • SHA256 4494b5ea65a0e3f79d85579866d94cd65f2d42182fbe051ffe286692d07f94f4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosransomwarespywarestealer

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Detects command variations typically used by ransomware 2 IoCs
  • 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 2 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 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-07_777642d092240d5237da22123428a3ec_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-07_777642d092240d5237da22123428a3ec_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.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:1856
      • 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:5084

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        svchost.exe
        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 21KB
        • SHA256 4494b5ea65a0e3f79d85579866d94cd65f2d42182fbe051ffe286692d07f94f4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        read_it.txt
        • Path C:\Users\Admin\Desktop\read_it.txt
        • Size 104B
        • SHA256 341aaae527b38ee958efa8dc5ea799ae948cd9267f4c0b1525d771cc5f088c44
        • MD5 SHA1 SHA512
        Submit Download

        memory/1612-0-0x0000000000D10000-0x0000000000D1C000-memory.dmp
        Download

        memory/1612-1-0x00007FF80A380000-0x00007FF80AE41000-memory.dmp
        Download

        memory/1612-14-0x00007FF80A380000-0x00007FF80AE41000-memory.dmp
        Download

        memory/1856-15-0x00007FF80A380000-0x00007FF80AE41000-memory.dmp
        Download

        memory/1856-68-0x00007FF80A380000-0x00007FF80AE41000-memory.dmp
        Download