Overview

overview

10

Static

static

10

2025-01-22...ry.exe

windows7-x64

10

2025-01-22...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 13:25

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General

  • Target

    2025-01-22_b91edc9a88f5594fefc736db0269eb72_destroyer_wannacry.exe

  • Size

    27KB

  • MD5

    b91edc9a88f5594fefc736db0269eb72

  • SHA1

    3be3378fb44541dafb1771184ef65339c0406b83

  • SHA256

    b77060ede73003ffba13c286c44dd0ef8c5b1bb7437df6c9544cc435fe3aa4d4

  • SHA512

    ade74383b26a9636ab405cf7e46a1680dc163b9d85345fdfd939816b0044b1cf98aa9fc59925fba9a48f3601e7b82276b0c401dcb7066a8ff87f12f8157c882a

  • SSDEEP

    384:QJtvVCneCtqpR86DagyzemwbZ2oz/ZmO5xNhS6U1G:utdfCIA6HbJowu1G

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES HAVE BEEN ENCRYPTED!!! Don't worry, you can have your files returned. All your files like documents, photos, databases and other important are encrypted You must follow these steps To decrypt your files with in 6 Hours. Send 2 BTC to, bc1q9rvwt772dm79pdnk6syx25wnnh8khrqppj55rk Once we receive the BTC and its safe, we will send you a decryption key. WARNING: Tampering with the encryption or any attempt to decrypt any file will result in COMPLETE destruction of your data which will be on you!!! TICK TOCK!!!

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
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Disables Task Manager via registry modification
    defense_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
  • 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 50 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\2025-01-22_b91edc9a88f5594fefc736db0269eb72_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-22_b91edc9a88f5594fefc736db0269eb72_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • 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)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5032
      • 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:4796
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:4840
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3980
      • 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:4600
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4128
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4476
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4508
      • 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:3720
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:976
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3204
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4764
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1508

    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

    1
    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

    Inhibit System Recovery

    4
    T1490

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2025-01-22_b91edc9a88f5594fefc736db0269eb72_destroyer_wannacry.exe.log
      Filesize

      1KB

      MD5

      baf55b95da4a601229647f25dad12878

      SHA1

      abc16954ebfd213733c4493fc1910164d825cac8

      SHA256

      ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

      SHA512

      24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

      Download Submit

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

      27KB

      MD5

      b91edc9a88f5594fefc736db0269eb72

      SHA1

      3be3378fb44541dafb1771184ef65339c0406b83

      SHA256

      b77060ede73003ffba13c286c44dd0ef8c5b1bb7437df6c9544cc435fe3aa4d4

      SHA512

      ade74383b26a9636ab405cf7e46a1680dc163b9d85345fdfd939816b0044b1cf98aa9fc59925fba9a48f3601e7b82276b0c401dcb7066a8ff87f12f8157c882a

      Download Submit

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

      540B

      MD5

      fc06ea746145b09425708a2ec123519d

      SHA1

      3502166afc532c492f43beefa97e9c07b2cbbc8e

      SHA256

      3774aab168bf8ea634f247d49fbaafdf9707c60652be2a0617f4d3a5160e5c69

      SHA512

      f8870567b45f5632e422169a2f93105deda551ab1ee77d6286495313f938dcd6cf7d5226fc9a42abe929ecb75d19b2090cc8166d5d974462cce2f39fcf9634fe

      Download Submit

    • C:\Users\Admin\Desktop\InitializeRestart.odp
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

    • memory/2216-0-0x00007FFA28463000-0x00007FFA28465000-memory.dmp

      Filesize

      8KB

      Download

    • memory/2216-1-0x00000000004C0000-0x00000000004CE000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2216-2-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2216-15-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/5032-16-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/5032-1246-0x00007FFA28460000-0x00007FFA28F21000-memory.dmp

      Filesize

      10.8MB

      Download