Resubmissions

15-10-2024 03:47

241015-ecgjlashrh 10

05-08-2024 04:49

240805-ffygys1eke 10

05-08-2024 03:50

240805-eee4jszepd 10

Analysis

  • max time kernel
    93s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 04:49

General

  • Target

    1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89.exe

  • Size

    490KB

  • MD5

    2d23c83d6941cf484da19d4367c02df0

  • SHA1

    b63dd1f2e35d8944dee745321643f06037dfe95e

  • SHA256

    1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89

  • SHA512

    28a5d2df80e9a1c5eeb65938479b7b96f754feff28244f91304361bd4c238d533f01d37598eedc95c6549c9066c8f15b2ce16262e02ce944dd47ed6e123ef797

  • SSDEEP

    12288:wIOfQgbI1D/Tj7MACdotmELTtqGJouy9JtsmRrTNaTI7rERFUZ1K1s9L01:rt0v4yPpS

Malware Config

Extracted

Path

C:\Users\Admin\Documents\Fucking_it.txt

Ransom Note
----> Us Nexus Hackers . 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 (Your Systeam Hacked By Us Nexus Hackers White Force) ------- Contact Telegram Group The Virus Upload On Your Mother Board Bios Systeam Or Gpu Bios - (-Warning Dont Reset-Factory You Will Reset Your PC Will Be Crash Burn You Cpu Shell-) Contact ---- Gmail- [email protected] ----- Telegram- https://t.me/usnexushacker ----- Telegram-id Hide Contact Gmail Credit White Hackers -------------------- Cyber Security -------------------- Defance All War ---------------------- Website https://www.propub3r6espa33w.onion Dont Visit The Site Payment informationAmount: 0.3 BTC Bitcoin Wallet: 3LrDFbp6fRqkXE45bLipnrQNg9wMKyTR5S
Wallets

3LrDFbp6fRqkXE45bLipnrQNg9wMKyTR5S

URLs

https://t.me/usnexushacker

https://www.propub3r6espa33w.onion

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • 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.

  • Drops desktop.ini file(s) 34 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 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 3 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 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.

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89.exe
    "C:\Users\Admin\AppData\Local\Temp\1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • 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)
      • Sets desktop wallpaper using registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2528
      • 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:3680
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:876
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2316
      • 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:1400
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:452
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4252
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3972
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1892
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\Fucking_it.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1404
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:404
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1436
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3488
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      490KB

      MD5

      2d23c83d6941cf484da19d4367c02df0

      SHA1

      b63dd1f2e35d8944dee745321643f06037dfe95e

      SHA256

      1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89

      SHA512

      28a5d2df80e9a1c5eeb65938479b7b96f754feff28244f91304361bd4c238d533f01d37598eedc95c6549c9066c8f15b2ce16262e02ce944dd47ed6e123ef797

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

      Filesize

      1KB

      MD5

      65be09f680bae0e52ba74b45d94b1415

      SHA1

      e4c7a68e87f2d460ed9cd925e60f2c56b335d7f2

      SHA256

      a318e1070f4dbf17a17ca1eca5a86ec8ecb414526387ea0aeca17b8921dbe41b

      SHA512

      1402f0c863c7c71a9e5aaf8e9b6108d0b3a4ce4d14aa20f482b805642220990515ad38f254392ac42fc6aeb9c6532c9e6cca2a20d4133b56d86c05be52cce14e

    • memory/2528-14-0x00007FF8ADC30000-0x00007FF8AE6F1000-memory.dmp

      Filesize

      10.8MB

    • memory/2528-496-0x00007FF8ADC30000-0x00007FF8AE6F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3912-1-0x00007FF8ADC33000-0x00007FF8ADC35000-memory.dmp

      Filesize

      8KB

    • memory/3912-0-0x00000000007C0000-0x0000000000840000-memory.dmp

      Filesize

      512KB