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Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 11:14

General

  • Target

    19fa48bc7ff8440268f8899534d6dc61.dll

  • Size

    740KB

  • MD5

    19fa48bc7ff8440268f8899534d6dc61

  • SHA1

    b0b673c4028979896ba8cd6454a14bb665199fb3

  • SHA256

    aeea81ffcf20e782e8dffcbedacef2e098cc8be09671825fea533a8e28a13f42

  • SHA512

    9df6bb95170f9a0d9bb8331098afc565eebf6785cbc777a901926216779eb0b21c9d5541658ab46de012e872b8a7fc3eeb772eb80f4405a4ce90696280d8152d

  • SSDEEP

    12288:MGEueETm04Dider2XNGQx0JFoITTKDKMXsGKEFU+abeycvyPVk2A8juwjY4Jt90:MybmH+BHx0oGm+AFUlQvyPdbb9

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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\19fa48bc7ff8440268f8899534d6dc61.dll,#1
    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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2724
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\19fa48bc7ff8440268f8899534d6dc61.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2724-0-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-1-0x0000000002C10000-0x0000000002CAD000-memory.dmp

    Filesize

    628KB

  • memory/2724-2-0x00000000771E4000-0x00000000771E6000-memory.dmp

    Filesize

    8KB

  • memory/2724-7-0x0000000004100000-0x0000000004102000-memory.dmp

    Filesize

    8KB

  • memory/2724-12-0x00000000041F0000-0x00000000041F1000-memory.dmp

    Filesize

    4KB

  • memory/2724-22-0x0000000004160000-0x0000000004161000-memory.dmp

    Filesize

    4KB

  • memory/2724-21-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2724-20-0x0000000004070000-0x0000000004071000-memory.dmp

    Filesize

    4KB

  • memory/2724-19-0x00000000041E0000-0x00000000041E1000-memory.dmp

    Filesize

    4KB

  • memory/2724-18-0x00000000041C0000-0x00000000041C1000-memory.dmp

    Filesize

    4KB

  • memory/2724-17-0x00000000040B0000-0x00000000040B1000-memory.dmp

    Filesize

    4KB

  • memory/2724-16-0x00000000040F0000-0x00000000040F1000-memory.dmp

    Filesize

    4KB

  • memory/2724-15-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/2724-14-0x0000000004120000-0x0000000004121000-memory.dmp

    Filesize

    4KB

  • memory/2724-13-0x0000000004060000-0x0000000004061000-memory.dmp

    Filesize

    4KB

  • memory/2724-11-0x0000000004080000-0x0000000004081000-memory.dmp

    Filesize

    4KB

  • memory/2724-10-0x00000000040E0000-0x00000000040E1000-memory.dmp

    Filesize

    4KB

  • memory/2724-9-0x0000000004090000-0x0000000004091000-memory.dmp

    Filesize

    4KB

  • memory/2724-8-0x00000000040D0000-0x00000000040D1000-memory.dmp

    Filesize

    4KB

  • memory/2724-6-0x00000000040A0000-0x00000000040A1000-memory.dmp

    Filesize

    4KB

  • memory/2724-5-0x00000000040C0000-0x00000000040C1000-memory.dmp

    Filesize

    4KB

  • memory/2724-4-0x0000000004110000-0x0000000004111000-memory.dmp

    Filesize

    4KB

  • memory/2724-3-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-23-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-24-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-25-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-26-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-27-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-28-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-29-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-30-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-31-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-32-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-33-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-34-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-35-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-36-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB

  • memory/2724-37-0x0000000000400000-0x00000000005A0000-memory.dmp

    Filesize

    1.6MB