Analysis

  • max time kernel
    95s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 23:27

General

  • Target

    2024-11-22_e31f3d42bf3d0fc4d8f2a568eb956d01_destroyer_wannacry.exe

  • Size

    27KB

  • MD5

    e31f3d42bf3d0fc4d8f2a568eb956d01

  • SHA1

    34fcda5e1628d6872c7d61a42d45ec11d9efcd31

  • SHA256

    3fdabc2dd0da231d971197eae267c8c34ac1bf4e89a9417742408db184a90d32

  • SHA512

    64229dcdc7cca556ab2efb852ab7dd51b5f3d7c446dbcd42e0a8f6076bde5d6d993fb2b680c5c9a7c2f8d606df0c3c71facc32fc3b62b8c05b7076807366460f

  • SSDEEP

    384:4tWZPzzxAm1vp5ZRoDPpYOcYgDzY7gFWlKOy5o91QFpK82vf:N7zxAmpfyP0YQYk7ho9+FQ82H

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\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 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-22_e31f3d42bf3d0fc4d8f2a568eb956d01_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-22_e31f3d42bf3d0fc4d8f2a568eb956d01_destroyer_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3596
    • 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:2820
      • 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:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\read_it.txt

    Filesize

    582B

    MD5

    ed5cc52876db869de48a4783069c2a5e

    SHA1

    a9d51ceaeff715ace430f9462ab2ee4e7f33e70e

    SHA256

    45726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36

    SHA512

    1745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-11-22_e31f3d42bf3d0fc4d8f2a568eb956d01_destroyer_wannacry.exe.log

    Filesize

    1KB

    MD5

    baf55b95da4a601229647f25dad12878

    SHA1

    abc16954ebfd213733c4493fc1910164d825cac8

    SHA256

    ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

    SHA512

    24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

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

    Filesize

    27KB

    MD5

    e31f3d42bf3d0fc4d8f2a568eb956d01

    SHA1

    34fcda5e1628d6872c7d61a42d45ec11d9efcd31

    SHA256

    3fdabc2dd0da231d971197eae267c8c34ac1bf4e89a9417742408db184a90d32

    SHA512

    64229dcdc7cca556ab2efb852ab7dd51b5f3d7c446dbcd42e0a8f6076bde5d6d993fb2b680c5c9a7c2f8d606df0c3c71facc32fc3b62b8c05b7076807366460f

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

    Filesize

    1B

    MD5

    d1457b72c3fb323a2671125aef3eab5d

    SHA1

    5bab61eb53176449e25c2c82f172b82cb13ffb9d

    SHA256

    8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

    SHA512

    ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

  • memory/2820-16-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

    Filesize

    10.8MB

  • memory/2820-1234-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

    Filesize

    10.8MB

  • memory/3596-0-0x00007FF8C10F3000-0x00007FF8C10F5000-memory.dmp

    Filesize

    8KB

  • memory/3596-1-0x0000000000B70000-0x0000000000B7E000-memory.dmp

    Filesize

    56KB

  • memory/3596-2-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

    Filesize

    10.8MB

  • memory/3596-15-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

    Filesize

    10.8MB