Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 12:50

General

  • Target

    25ef66d44bc8b5ed72dbc39e1995ba3ec72673d1c5698a9cb0d6d88ed93b17ae.exe

  • Size

    1.7MB

  • MD5

    b4eef01bc21a819ba8efb859825e3071

  • SHA1

    b9b60dbeba7acb34d56559da7cd3289a88957264

  • SHA256

    25ef66d44bc8b5ed72dbc39e1995ba3ec72673d1c5698a9cb0d6d88ed93b17ae

  • SHA512

    69ce30cdd4781b14e7e6cd90b83d2e4f89208673390a8ee0cb9a0faf7d9bae80c5105dfbedf22066cae64ef7100a29a307eda9df9131eff2a536bed48b7677d7

  • SSDEEP

    24576:iRUpoMcdt/qw+tBXpIJJfq7pyQKddfcKBQ66eyZ6vKe/jmJtPL3unz+Dt2PqNC9L:ipFqZtBX6dqkQQdpi3itrmvzI05cQY

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25ef66d44bc8b5ed72dbc39e1995ba3ec72673d1c5698a9cb0d6d88ed93b17ae.exe
    "C:\Users\Admin\AppData\Local\Temp\25ef66d44bc8b5ed72dbc39e1995ba3ec72673d1c5698a9cb0d6d88ed93b17ae.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1900-54-0x0000000000400000-0x00000000007B7000-memory.dmp

    Filesize

    3.7MB

  • memory/1900-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1900-56-0x0000000077840000-0x00000000779C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1900-57-0x0000000000400000-0x00000000007B7000-memory.dmp

    Filesize

    3.7MB

  • memory/1900-58-0x0000000000400000-0x00000000007B7000-memory.dmp

    Filesize

    3.7MB

  • memory/1900-59-0x0000000077840000-0x00000000779C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1900-60-0x0000000000400000-0x00000000007B7000-memory.dmp

    Filesize

    3.7MB