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Overview

overview

10

Static

static

1

f4f4712417...53.exe

windows7-x64

10

f4f4712417...53.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2023, 19:39

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General

  • Target

    f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe

  • Size

    859KB

  • MD5

    30927f9bc15d99900d377747494f5c60

  • SHA1

    b34c12bafd26ae92d8217eb16a5a846c5ced92e2

  • SHA256

    f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53

  • SHA512

    e8e59cacb3c24e4f8876d618bb9510d8a6c6b5a98201f79d367a6874804849c7cee403519e776f004f4bd69ed7ba680de9253ff70a0f8d48ecc52a29a65fa5a1

  • SSDEEP

    12288:l0v5NBjYIR0yhfVf/Wc7OhgkYa5EpaHe7yCfxnR1P4GfcM53ICDQhlquDXXCM:l0rBjVOc7OUaGv7yazgqDCIElqK

Score
10/10
ransomware

Malware Config

Extracted

Path

C:\instructions_read_me.txt

Ransom Note
ATTENTION! Your network has been breached and all data was encrypted. Please contact us at: https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion/ Login ID: e49f0f49-0bc7-4a3b-bc3d-f50072e3a006 *!* To access .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) *!* To restore all your PCs and get your network working again, follow these instructions: - Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency. Please follow these simple rules to avoid data corruption: - Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. Waiting you in a chat.
URLs

https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion/

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe
    "C:\Users\Admin\AppData\Local\Temp\f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2172
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3368-132-0x0000000001040000-0x0000000001235000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3368-135-0x0000000001320000-0x0000000001401000-memory.dmp

    Filesize

    900KB

    Download

  • memory/3368-136-0x0000000001320000-0x0000000001401000-memory.dmp

    Filesize

    900KB

    Download