Overview

overview

10

Static

static

10

2dd3144ab2...b4.exe

windows7-x64

10

2dd3144ab2...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 15:29

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General

  • Target

    2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4.exe

  • Size

    6.3MB

  • MD5

    95be77dac172c472cba318f9876ec444

  • SHA1

    e24fc0a73ff5675a33de6bf033b65fa4b139d85a

  • SHA256

    2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4

  • SHA512

    4eeefdd69073f33d7369e52a306e812178365322ce26573331c9bfe9b60935e87b1a10b754df7159d87f1767ac945183b178923a53e21b7a5808e31e2af5a0a0

  • SSDEEP

    49152:31WDsGsL5TCvRc46CCGZuoKzzkvhctESbe7t0G8IfPIu3GTJ:

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important files have been encrypted with military-grade encryption. What guarantees do we give you? You can send 3 of your encrypted files and we will decrypt them for free. You must follow these steps to decrypt your files: 1) Write on our telegram: @RansowHacking 2) Get Bitcoin (you must pay for decryption in any cryptocurrency below: After paying the amount of 500usdt, we will send you the tool that will decrypt all your files.) BTC: bc1qngsfpztnqlvs2jktxdkh53j5mgrty3s003tas5 ETH: 0x75427fC1b7830528748F914951bBF1D6403d072e XMR: 0x082b5a11e1c727F6be2A4a3c1028cD6797370786 TRC20: TB5nxv8hUKRvpfeHjgnNaCEbwXfja73gMb ============================ {PT-BT}============================== Não se preocupe, você pode devolver todos os seus arquivos! Todos os seus arquivos como documentos, fotos, bancos de dados e outros arquivos importantes foram criptografados com uma criptografia de nivel militar. Que garantias lhe damos? Você pode enviar 3 de seus arquivos criptografados e nós os descriptografamos gratuitamente. Você deve seguir estas etapas para descriptografar seus arquivos: 1) Escreva em nosso telegram: @RansowHacking 2) Obtenha Bitcoin (você deve pagar pela descriptografia em qualquer criptomoeda abaixo: Após o pagamento do valor de 500usdt, enviaremos a você a ferramenta que irá descriptografar todos os seus arquivos.) BTC: bc1qngsfpztnqlvs2jktxdkh53j5mgrty3s003tas5 ETH: 0x75427fC1b7830528748F914951bBF1D6403d072e XMR: 0x082b5a11e1c727F6be2A4a3c1028cD6797370786 TRC20: TB5nxv8hUKRvpfeHjgnNaCEbwXfja73gMb

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

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

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (196) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • 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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • 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).

  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 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\2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4.exe
    "C:\Users\Admin\AppData\Local\Temp\2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3716
    • 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
      • Adds Run key to start application
      • 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:4024
      • 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:2164
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:4056
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4908
      • 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:1344
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:5028
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4420
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1836
      • 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:2540
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4228
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1012
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2960
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1584

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Command and Scripting Interpreter

    1
    T1059

    Windows Management Instrumentation

    1
    T1047

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Direct Volume Access

    1
    T1006

    Indicator Removal

    3
    T1070

    File Deletion

    3
    T1070.004

    Modify Registry

    2
    T1112

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Peripheral Device Discovery

    1
    T1120

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Exfiltration

    Impact

    Defacement

    1
    T1491

    Inhibit System Recovery

    4
    T1490

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4.exe.log
      Filesize

      1KB

      MD5

      baf55b95da4a601229647f25dad12878

      SHA1

      abc16954ebfd213733c4493fc1910164d825cac8

      SHA256

      ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

      SHA512

      24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

      Download Submit

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

      1KB

      MD5

      3e2b5192e7ca51e0bd3fe0910b680ee6

      SHA1

      a0a124d65a22f6f614dedc8cc9c35da9ac54c598

      SHA256

      897da642f47d00bc703e62b3e9d451ab24af1ec742dfe739c924a02a56988c61

      SHA512

      ee7326f3dabff32ebaaa7285b23ea2ec3a7753e7e8a255a81fe8f957083f016482b6beeb4468da00e1ab1ceed209a4b37bbc07ea7ba3f5046a2f5d7434d3db24

      Download Submit

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

      6.3MB

      MD5

      95be77dac172c472cba318f9876ec444

      SHA1

      e24fc0a73ff5675a33de6bf033b65fa4b139d85a

      SHA256

      2dd3144ab294d675eae0290d5b2d385d4d7ddb36e0450b982358a1519ba19fb4

      SHA512

      4eeefdd69073f33d7369e52a306e812178365322ce26573331c9bfe9b60935e87b1a10b754df7159d87f1767ac945183b178923a53e21b7a5808e31e2af5a0a0

      Download Submit

    • C:\Users\Admin\Desktop\DisconnectResume.wmv
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

    • memory/3716-0-0x00007FFEF6F03000-0x00007FFEF6F05000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3716-1-0x0000000000430000-0x0000000000A82000-memory.dmp

      Filesize

      6.3MB

      Download

    • memory/3716-2-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3716-15-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4024-16-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4024-1250-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

      Filesize

      10.8MB

      Download