Overview

overview

10

Static

static

10

2024-08-22...ry.exe

windows7-x64

10

2024-08-22...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22-08-2024 11:32

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General

  • Target

    2024-08-22_8e98d1884214273f81880124de326c18_wannacry.exe

  • Size

    162KB

  • MD5

    8e98d1884214273f81880124de326c18

  • SHA1

    60a38aa52cfa23b03486b246b26e65ce6dc0bf6d

  • SHA256

    cf14edacaa7fa7b13431d72cec2198a737b7ff7064c0de76f26792bc57230b2b

  • SHA512

    2291dce2fe09cf780be926afacc4b96da880a620ddcb13c88e424fe57260ec98b218feb6c875b7413ae5391f4617f1f99e46bf569ae46acbb747ee388f616174

  • SSDEEP

    3072:OLjQc9oj72AompDgm7EFFrLfPdxFzW5zmUEEa2XslNTs3:OQc94ZBp1EvtxFzASUEEa2Xs3T

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\awdawdaw.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 3 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
    evasion
  • 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
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • 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
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 30 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\2024-08-22_8e98d1884214273f81880124de326c18_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-22_8e98d1884214273f81880124de326c18_wannacry.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Maps connected drives based on registry
      • Sets desktop wallpaper using registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:880
      • 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:2736
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2920
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2912
      • 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:2780
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2848
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2908
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:3000
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\awdawdaw.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1260
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2972
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1532
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2092
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:624

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\awdawdaw.txt
        Filesize

        964B

        MD5

        4217b8b83ce3c3f70029a056546f8fd0

        SHA1

        487cdb5733d073a0427418888e8f7070fe782a03

        SHA256

        7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

        SHA512

        2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

        Download Submit

      • C:\Users\Admin\AppData\Roaming\ExpandProtect.xla
        Filesize

        1B

        MD5

        d1457b72c3fb323a2671125aef3eab5d

        SHA1

        5bab61eb53176449e25c2c82f172b82cb13ffb9d

        SHA256

        8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

        SHA512

        ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

        Download Submit

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

        162KB

        MD5

        8e98d1884214273f81880124de326c18

        SHA1

        60a38aa52cfa23b03486b246b26e65ce6dc0bf6d

        SHA256

        cf14edacaa7fa7b13431d72cec2198a737b7ff7064c0de76f26792bc57230b2b

        SHA512

        2291dce2fe09cf780be926afacc4b96da880a620ddcb13c88e424fe57260ec98b218feb6c875b7413ae5391f4617f1f99e46bf569ae46acbb747ee388f616174

        Download Submit

      • memory/880-10-0x0000000000C20000-0x0000000000C52000-memory.dmp

        Filesize

        200KB

        Download

      • memory/880-11-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

        Filesize

        9.9MB

        Download

      • memory/880-14-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

        Filesize

        9.9MB

        Download

      • memory/2304-0-0x000007FEF6563000-0x000007FEF6564000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2304-1-0x0000000001070000-0x00000000010A2000-memory.dmp

        Filesize

        200KB

        Download

      • memory/2304-2-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

        Filesize

        9.9MB

        Download

      • memory/2304-3-0x000007FEF6563000-0x000007FEF6564000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2304-4-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

        Filesize

        9.9MB

        Download

      • memory/2304-12-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

        Filesize

        9.9MB

        Download