Analysis

  • max time kernel
    106s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2025, 18:43

General

  • Target

    avformat-53.dll

  • Size

    187KB

  • MD5

    c5ccb86cd745746b9908031a54315f90

  • SHA1

    d00147298fc236730a4076d5a03444ac970d053b

  • SHA256

    ac1f83180e07ac2b3d1e6f80f94aee0b2591be13e8a1fe63998cf7f0a9f18f1e

  • SHA512

    bcf3b40b241cba632d9fe15426d28f2ce4460523fcb1992d29ba2d85f9ee2973c7c23be0013319a973a11d2eafe882cf611d976ccb5e5877d393a035d652cbcf

  • SSDEEP

    3072:sr928cq80ZkRaW391QjTnXPXFvbZ8/pLGVg+QwRlkR6j7lA8b:sr929YWaW3YjzpV8/YVg+wR6j7lv

Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\avformat-53.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\avformat-53.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4308

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4308-21-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-19-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-24-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-32-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-44-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-50-0x0000000074970000-0x0000000074A00000-memory.dmp

    Filesize

    576KB

  • memory/4308-49-0x000000007496F000-0x0000000074A00000-memory.dmp

    Filesize

    580KB

  • memory/4308-48-0x0000000074975000-0x0000000074A00000-memory.dmp

    Filesize

    556KB

  • memory/4308-47-0x0000000074923000-0x0000000074A00000-memory.dmp

    Filesize

    884KB

  • memory/4308-46-0x0000000074923000-0x0000000074A00000-memory.dmp

    Filesize

    884KB

  • memory/4308-45-0x0000000074923000-0x0000000074A00000-memory.dmp

    Filesize

    884KB

  • memory/4308-43-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-42-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-41-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-40-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-39-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-38-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-37-0x0000000074B10000-0x0000000074B43000-memory.dmp

    Filesize

    204KB

  • memory/4308-36-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-35-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-34-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-33-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-31-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-30-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-29-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-27-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-26-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-25-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-18-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-17-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-16-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-14-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-13-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-10-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-9-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-8-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-7-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-6-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-5-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-4-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-2-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-1-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-0-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-23-0x0000000074922000-0x0000000074A00000-memory.dmp

    Filesize

    888KB

  • memory/4308-20-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-15-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-12-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-11-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-3-0x0000000074920000-0x0000000074AD2000-memory.dmp

    Filesize

    1.7MB

  • memory/4308-51-0x0000000074970000-0x0000000074A00000-memory.dmp

    Filesize

    576KB