Overview

overview

10

Static

static

10

2024-04-23...ry.exe

windows7-x64

10

2024-04-23...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 09:32

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General

  • Target

    2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry.exe

  • Size

    279KB

  • MD5

    fa2bc41c30b3a2941d80fc425fc2a77c

  • SHA1

    5691f15157cbc09cab0c8060fda383b10a5d08d4

  • SHA256

    7aa856f4de63761e009aab09314a53181fece93c83d683f34144cc5a5d3f5745

  • SHA512

    66cd14cdbeb7b112f7c976bae986c9cbe95bfc40a79233d6a6fe98bd2084ff43cdab9a3b0d02c2ad3b6ae0c24540c106e75f59805680c81a37858b0c34a8157b

  • SSDEEP

    3072:bN3/0c9VyUSG0jZ6Km+q9aYZBDn/wxCotkzHzvnOlo+lDLcRkchuJItSNVdWand:Bcc9kxjUlauIhoa4jpt

Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
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 $5000. 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: 0.077 BTC Bitcoin Address: bc1qdzwmcv9m0uz9c5s7jcvd2y3hjgd68xyc7sgtlm When paid send Screenshot , Download Tox and message us using this Tox ID Tox Id: EB022AB3ACEAC60B82E9ADE0C2590D6D7753EFB8BFE272F074E2ACB18E5F3D1FCE1E844E3FD7 When Confirmed we send you the Decryptor.

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Detects command variations typically used by ransomware 2 IoCs
  • 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
    evasion
  • 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.

    spywarestealer
  • 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 2 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 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\2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4620
    • 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:1868
      • 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:3488
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:972
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:5012
      • 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:4428
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4984
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3036
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:724
      • 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:3548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:336
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3528
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:700
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-04-23_fa2bc41c30b3a2941d80fc425fc2a77c_wannacry.exe.log
      Filesize

      226B

      MD5

      28d7fcc2b910da5e67ebb99451a5f598

      SHA1

      a5bf77a53eda1208f4f37d09d82da0b9915a6747

      SHA256

      2391511d0a66ed9f84ae54254f51c09e43be01ad685db80da3201ec880abd49c

      SHA512

      2d8eb65cbf04ca506f4ef3b9ae13ccf05ebefab702269ba70ffd1ce9e6c615db0a3ee3ac0e81a06f546fc3250b7b76155dd51241c41b507a441b658c8e761df6

      Download Submit

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

      1KB

      MD5

      3c08014c9c865e808db93f81d9e99d42

      SHA1

      c529887dc860f5f82868001e2736bc09291d0c9b

      SHA256

      a3293c7c2918b1f33c63872f2322f2b057487739b68b5025ce8128986a06cfd1

      SHA512

      af5bbb7c6e0efbe31838334397edced832df773859a5c273335973c3d0711d909f1717bfcbf981ae12f8f0b382db1671c28c600bad8cf38032b9e2895cdaf581

      Download Submit

    • C:\Users\Admin\AppData\Roaming\JoinDisable.3g2
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

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

      279KB

      MD5

      fa2bc41c30b3a2941d80fc425fc2a77c

      SHA1

      5691f15157cbc09cab0c8060fda383b10a5d08d4

      SHA256

      7aa856f4de63761e009aab09314a53181fece93c83d683f34144cc5a5d3f5745

      SHA512

      66cd14cdbeb7b112f7c976bae986c9cbe95bfc40a79233d6a6fe98bd2084ff43cdab9a3b0d02c2ad3b6ae0c24540c106e75f59805680c81a37858b0c34a8157b

      Download Submit

    • memory/1868-15-0x00007FF83F760000-0x00007FF840221000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1868-1179-0x00007FF83F760000-0x00007FF840221000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4620-0-0x0000000000140000-0x000000000018C000-memory.dmp

      Filesize

      304KB

      Download

    • memory/4620-1-0x00007FF83F760000-0x00007FF840221000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4620-14-0x00007FF83F760000-0x00007FF840221000-memory.dmp

      Filesize

      10.8MB

      Download