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
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 18:25

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2024-08-22_da7836f28eb1d6d8b9403a9446ba46bc_wannacry.exe

  • Size

    276KB

  • MD5

    da7836f28eb1d6d8b9403a9446ba46bc

  • SHA1

    8a93a6ce6540bb529b3a90ad476133a5da836cc7

  • SHA256

    d606cef96f6cbd1ce7b0b577bc0f3c12d3eec8f3da56cce9b6027c315a6ab8ee

  • SHA512

    ea437d424f193869fb99821c35deb0b1590ef256dfa46d3bd95adc647b3e5720647a6a94212942c49889bfb26b0c37799680501fba21fc45e6665b508882835f

  • SSDEEP

    6144:rswX77qtFAjI/SqAg8m5xA+ey0twt4lEr9d4Xu:rswXMAjIaqAg8GxPT0twt4lGq

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\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
  • 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
  • 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.

  • 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
  • Loads dropped DLL 2 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
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • 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 3 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 64 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\2024-08-22_da7836f28eb1d6d8b9403a9446ba46bc_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-22_da7836f28eb1d6d8b9403a9446ba46bc_wannacry.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • 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
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Maps connected drives based on registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4332
      • 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:464
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2632
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2524
      • 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:1180
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:400
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4576
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1760
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4028
      • 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:684
  • 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 --field-trial-handle=4316,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4280 /prefetch:8
    1⤵
      PID:3228
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4544
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:732
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1532
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:4680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\kMspF.dll
        Filesize

        112KB

        MD5

        2f1a50031dcf5c87d92e8b2491fdcea6

        SHA1

        71e2aaa2d1bb7dbe32a00e1d01d744830ecce08f

        SHA256

        47578a37901c82f66e4dba47acd5c3cab6d09c9911d16f5ad0413275342147ed

        SHA512

        1c66dbe1320c1a84023bdf77686a2a7ab79a3e86ba5a4ea2cda9a37f8a916137d5cfec30b28ceae181355f6f279270465ef63ae90b7e8dcd4c1a8198a7fd36a8

        Download Submit

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

        276KB

        MD5

        da7836f28eb1d6d8b9403a9446ba46bc

        SHA1

        8a93a6ce6540bb529b3a90ad476133a5da836cc7

        SHA256

        d606cef96f6cbd1ce7b0b577bc0f3c12d3eec8f3da56cce9b6027c315a6ab8ee

        SHA512

        ea437d424f193869fb99821c35deb0b1590ef256dfa46d3bd95adc647b3e5720647a6a94212942c49889bfb26b0c37799680501fba21fc45e6665b508882835f

        Download Submit

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

        964B

        MD5

        4217b8b83ce3c3f70029a056546f8fd0

        SHA1

        487cdb5733d073a0427418888e8f7070fe782a03

        SHA256

        7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

        SHA512

        2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

        Download Submit

      • memory/2724-0-0x00007FFAABD83000-0x00007FFAABD85000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2724-1-0x0000000000160000-0x00000000001AC000-memory.dmp

        Filesize

        304KB

        Download

      • memory/2724-6-0x0000000000970000-0x0000000000978000-memory.dmp

        Filesize

        32KB

        Download

      • memory/2724-7-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/2724-8-0x00007FFAABD83000-0x00007FFAABD85000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2724-9-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/2724-25-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4332-23-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4332-26-0x00007FFAABD80000-0x00007FFAAC841000-memory.dmp

        Filesize

        10.8MB

        Download