Overview

overview

10

Static

static

10

2024-05-26...ry.exe

windows7-x64

10

2024-05-26...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 19:23

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General

  • Target

    2024-05-26_341ed4e1073b23568aae89f31649a5fc_destroyer_wannacry.exe

  • Size

    92KB

  • MD5

    341ed4e1073b23568aae89f31649a5fc

  • SHA1

    77c5487ed054c58e1ad6e96add144f55535f7e90

  • SHA256

    57c744dd855b31fb4fb2356ca93ad49f8a938a24670ed9c08ca2c1de8fecae7c

  • SHA512

    62f92136e8e085c9032d53a3b78d53eec69a52364354e139ea774c3cfc5642099ed8f20cebb5eea3f178a996b0b10d9418f0d19a4178206e37c5d28483ed41dd

  • SSDEEP

    768:x+rus5c9CIbOxDTqoH+/XW3bKGnvXI+940FYC4KGC6xxoyt9P:x+H5c9Cbqj4KUvPN6C6xP

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Detects command variations typically used by ransomware 2 IoCs
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Disables Task Manager via registry modification
    evasion
  • 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) 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-26_341ed4e1073b23568aae89f31649a5fc_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-26_341ed4e1073b23568aae89f31649a5fc_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2300
    • 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:556
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2796
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2416
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3408
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4368
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4496
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3044
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1828
      • 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:5396
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3440,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8
    1⤵
      PID:2324
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3564
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2560
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:516
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2032

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-05-26_341ed4e1073b23568aae89f31649a5fc_destroyer_wannacry.exe.log
        Filesize

        226B

        MD5

        28d7fcc2b910da5e67ebb99451a5f598

        SHA1

        a5bf77a53eda1208f4f37d09d82da0b9915a6747

        SHA256

        2391511d0a66ed9f84ae54254f51c09e43be01ad685db80da3201ec880abd49c

        SHA512

        2d8eb65cbf04ca506f4ef3b9ae13ccf05ebefab702269ba70ffd1ce9e6c615db0a3ee3ac0e81a06f546fc3250b7b76155dd51241c41b507a441b658c8e761df6

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      • C:\Users\Admin\AppData\Local\read_it.txt
        Filesize

        964B

        MD5

        4217b8b83ce3c3f70029a056546f8fd0

        SHA1

        487cdb5733d073a0427418888e8f7070fe782a03

        SHA256

        7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

        SHA512

        2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

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      • C:\Users\Admin\AppData\Roaming\ProtectWatch.mp4
        Filesize

        1B

        MD5

        d1457b72c3fb323a2671125aef3eab5d

        SHA1

        5bab61eb53176449e25c2c82f172b82cb13ffb9d

        SHA256

        8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

        SHA512

        ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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      • C:\Users\Admin\AppData\Roaming\svchost.exe
        Filesize

        92KB

        MD5

        341ed4e1073b23568aae89f31649a5fc

        SHA1

        77c5487ed054c58e1ad6e96add144f55535f7e90

        SHA256

        57c744dd855b31fb4fb2356ca93ad49f8a938a24670ed9c08ca2c1de8fecae7c

        SHA512

        62f92136e8e085c9032d53a3b78d53eec69a52364354e139ea774c3cfc5642099ed8f20cebb5eea3f178a996b0b10d9418f0d19a4178206e37c5d28483ed41dd

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      • memory/556-14-0x00007FFE9FFB0000-0x00007FFEA0A71000-memory.dmp

        Filesize

        10.8MB

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      • memory/556-1311-0x00007FFE9FFB0000-0x00007FFEA0A71000-memory.dmp

        Filesize

        10.8MB

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      • memory/2300-0-0x00007FFE9FFB3000-0x00007FFE9FFB5000-memory.dmp

        Filesize

        8KB

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      • memory/2300-1-0x0000000000F20000-0x0000000000F3C000-memory.dmp

        Filesize

        112KB

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