Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 19:35

General

  • Target

    2024-12-09_b6db59aed6a103fa87f454355284a96c_destroyer_wannacry.exe

  • Size

    27KB

  • MD5

    b6db59aed6a103fa87f454355284a96c

  • SHA1

    d0418cd34b979a819b9a2f1cae55b88b781e44bd

  • SHA256

    0d903dafadeb4a3908b2d74967b139565114ba28aaf3bb264f24fd1bf2f15f7e

  • SHA512

    77eccd8d76914f9c208d235cff74571391683e932d266ef28b92e1751a42144bf630b2f8eca5d26b96e31ddc9e7aecf62ad832cf27dd9cca3b2b15e5fc65658e

  • SSDEEP

    384:UDtWZPzzxAm1vp5ZRoDMS74WtRQUxhhlsNpGVol7Oy5o91dLrpZ82vy:U67zxAmpfyMS1RQUxGN44ho9L7826

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 are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 IoCs
  • Chaos family
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-09_b6db59aed6a103fa87f454355284a96c_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-09_b6db59aed6a103fa87f454355284a96c_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4416
    • 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:1872
      • 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:3652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-12-09_b6db59aed6a103fa87f454355284a96c_destroyer_wannacry.exe.log

    Filesize

    1KB

    MD5

    baf55b95da4a601229647f25dad12878

    SHA1

    abc16954ebfd213733c4493fc1910164d825cac8

    SHA256

    ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

    SHA512

    24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

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

    Filesize

    582B

    MD5

    ed5cc52876db869de48a4783069c2a5e

    SHA1

    a9d51ceaeff715ace430f9462ab2ee4e7f33e70e

    SHA256

    45726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36

    SHA512

    1745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5

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

    Filesize

    27KB

    MD5

    b6db59aed6a103fa87f454355284a96c

    SHA1

    d0418cd34b979a819b9a2f1cae55b88b781e44bd

    SHA256

    0d903dafadeb4a3908b2d74967b139565114ba28aaf3bb264f24fd1bf2f15f7e

    SHA512

    77eccd8d76914f9c208d235cff74571391683e932d266ef28b92e1751a42144bf630b2f8eca5d26b96e31ddc9e7aecf62ad832cf27dd9cca3b2b15e5fc65658e

  • C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Magnify.lnk

    Filesize

    1B

    MD5

    d1457b72c3fb323a2671125aef3eab5d

    SHA1

    5bab61eb53176449e25c2c82f172b82cb13ffb9d

    SHA256

    8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

    SHA512

    ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

  • memory/1872-15-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB

  • memory/1872-1297-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4416-0-0x00007FFC04313000-0x00007FFC04315000-memory.dmp

    Filesize

    8KB

  • memory/4416-1-0x0000000000AC0000-0x0000000000ACE000-memory.dmp

    Filesize

    56KB

  • memory/4416-2-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4416-16-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

    Filesize

    10.8MB