Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 04:28

General

  • Target

    e75c2dd0e0e65646911805705bbef7300f2af8f6086608572f6a665667558a3a.exe

  • Size

    337KB

  • MD5

    38bc06d7e66386671deb9829275b262f

  • SHA1

    32fbedbb51026b46ce5d1397289f31f18385a1c0

  • SHA256

    e75c2dd0e0e65646911805705bbef7300f2af8f6086608572f6a665667558a3a

  • SHA512

    c7019f0888c91cbd7ad287bfd41203af0cd4d2e68a093700f3dbf442a437bb8236ffb146e3d1d11e804f5f4471042876e1f3f8eaf6e852c4213b80d45c65176b

  • SSDEEP

    6144:SE+yclwQKjdn+WPtYVJIoBfv2X+t4xWoub:SBdlwHRn+WlYV+W2X+t4xWP

Malware Config

Extracted

Path

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

Ransom Note
All of your files have been stolen and encrypted. in a nutshell you're Hacked You can try whatever you wanna try but don't modify the files, they'll be damaged and impossible to decrypt. it's nothing personal, it's all about money. have a great day. Payment information Non payment will result in your data being published. YOU HAVE 7 DAYS, AFTER 3 DAYS THE MONEY DOUBLES. Bitcoin Address: bc1qpn32q8a3jykzpfnrv6crqulk7wguaryhxzadqa You must contact us using Tox messenger, download it here> https://tox.chat/download.html. Invite us on Tox, Our Tox ID : EEC1A34EA55C1DBC63D8BCC4779D93BB64FC9036C82210467DEB1948A3ABC2248CE1CAB7A181 You need contact us and decrypt one file for free on TOX messenger with your personal DECRYPTION ID 10212
URLs

https://tox.chat/download.html

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 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops desktop.ini file(s) 34 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of WriteProcessMemory 31 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\e75c2dd0e0e65646911805705bbef7300f2af8f6086608572f6a665667558a3a.exe
    "C:\Users\Admin\AppData\Local\Temp\e75c2dd0e0e65646911805705bbef7300f2af8f6086608572f6a665667558a3a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\me.vbs"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3496
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2708
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Set-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender' -Name 'DisableAntiSpyware' -Value 1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3904
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\10.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\10.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • 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:5016
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2116
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • Interacts with shadow copies
            PID:3372
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4292
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2696
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2760
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:3260
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3564
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            5⤵
            • Deletes backup catalog
            PID:868
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
          4⤵
          • Opens file in notepad (likely ransom note)
          PID:2064
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2828
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3976
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1180
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      c3139216aac4f0736cdaa33827088860

      SHA1

      a049dd6d7fdfb7f385c3f6913ba2f1319265b045

      SHA256

      42265ff7d4aac15bd287581f55a2bb80ad939b0332c16902c9325ac23aeef7df

      SHA512

      a98535b31395fb211666418aff7bd3adb83c694b00eae46e80d2bb5c2c8938de46973638d0a12255e9c9e693d12ebeccd06ae262c053a8315c96aadae9dad7dd

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\10.exe

      Filesize

      23KB

      MD5

      7c556a045999ea1ca4f00d5b9b886b4c

      SHA1

      e99a8deb643a2fb835a51664d384c1d9677e7698

      SHA256

      8cafe2829a80bcc87175685e04d9297c8403453d274a2be2c90d764f0c88991d

      SHA512

      b9e142a7a7524febf3f919b28f3b150a0fcff1b5f5948accbe84ceb89a3cbccd130057b4806d0c2b38cdee5803fb189e2200ff29cc9f9954132787c8a1c0b8dd

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\me.vbs

      Filesize

      390B

      MD5

      ea0469477cf5e01e3f6e0b48a54d026c

      SHA1

      b7e68132ad6de36a256cc50002569fd98d5010cd

      SHA256

      62be46145fad36dbc5e0f3220997abbaf16f07c15efc8782586d0e1ea89d9d8e

      SHA512

      61703b05bc07af248799c97d34945368071a0669da2fd5e65c356f65d73068308d0dddbdb29027794125fc9ee6042296b9c32226fe5c1d8229d8a0a7c1220d3d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wxtntwfc.pr2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      755B

      MD5

      ab89c3aa2151781f57352fd2d7d8b73e

      SHA1

      90be8d872e6a7c36e2ffd4a51bece1727506ef31

      SHA256

      079d6eb4aed2f7d634e9f8efaea827ff221f0f03bdd72674647c58b509d15ecb

      SHA512

      4edeb4583ba91c63bf84e733f59eed9158fa7ede0b65d478ffe71d2c8bbc56cee964188e5dd1b98f8b4759d86aa6ee6e709a6aa364f92ce5da04b0785e38e3d3

    • memory/2708-38-0x0000000006C10000-0x0000000006C2E000-memory.dmp

      Filesize

      120KB

    • memory/2708-44-0x0000000007B80000-0x0000000007B91000-memory.dmp

      Filesize

      68KB

    • memory/2708-12-0x0000000005EE0000-0x0000000005F02000-memory.dmp

      Filesize

      136KB

    • memory/2708-13-0x0000000005F80000-0x0000000005FE6000-memory.dmp

      Filesize

      408KB

    • memory/2708-24-0x0000000006060000-0x00000000063B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2708-25-0x0000000006660000-0x000000000667E000-memory.dmp

      Filesize

      120KB

    • memory/2708-26-0x00000000066F0000-0x000000000673C000-memory.dmp

      Filesize

      304KB

    • memory/2708-28-0x000000006F6E0000-0x000000006F72C000-memory.dmp

      Filesize

      304KB

    • memory/2708-27-0x0000000006C30000-0x0000000006C62000-memory.dmp

      Filesize

      200KB

    • memory/2708-39-0x0000000007830000-0x00000000078D3000-memory.dmp

      Filesize

      652KB

    • memory/2708-11-0x0000000072D80000-0x0000000073530000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-41-0x0000000007980000-0x000000000799A000-memory.dmp

      Filesize

      104KB

    • memory/2708-40-0x0000000007FC0000-0x000000000863A000-memory.dmp

      Filesize

      6.5MB

    • memory/2708-42-0x00000000079F0000-0x00000000079FA000-memory.dmp

      Filesize

      40KB

    • memory/2708-43-0x0000000007C00000-0x0000000007C96000-memory.dmp

      Filesize

      600KB

    • memory/2708-14-0x0000000005FF0000-0x0000000006056000-memory.dmp

      Filesize

      408KB

    • memory/2708-45-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

      Filesize

      56KB

    • memory/2708-46-0x0000000007BC0000-0x0000000007BD4000-memory.dmp

      Filesize

      80KB

    • memory/2708-47-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

      Filesize

      104KB

    • memory/2708-48-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

      Filesize

      32KB

    • memory/2708-51-0x0000000072D80000-0x0000000073530000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-10-0x0000000072D80000-0x0000000073530000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-7-0x0000000072D8E000-0x0000000072D8F000-memory.dmp

      Filesize

      4KB

    • memory/2708-9-0x0000000005780000-0x0000000005DA8000-memory.dmp

      Filesize

      6.2MB

    • memory/2708-8-0x0000000003070000-0x00000000030A6000-memory.dmp

      Filesize

      216KB

    • memory/3408-77-0x0000000000B30000-0x0000000000B3C000-memory.dmp

      Filesize

      48KB

    • memory/3904-65-0x0000000007CF0000-0x0000000008294000-memory.dmp

      Filesize

      5.6MB

    • memory/3904-64-0x0000000006930000-0x0000000006952000-memory.dmp

      Filesize

      136KB

    • memory/3904-62-0x0000000005D50000-0x00000000060A4000-memory.dmp

      Filesize

      3.3MB