Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 01:15

General

  • Target
    a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm
  • Size 16KB
  • Sample240331-bmqy8sbb4v
  • SHA256 a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\ProgramData\signed_20240329011751156.exe
      C:\ProgramData\signed_20240329011751156.exe
      2⤵
      • Executes dropped EXE
      PID:2968
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4152 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4584

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          signed_20240329011751156.exe

          • Path C:\ProgramData\signed_20240329011751156.exe
          • Size 3.1MB
          • SHA256 f00ed06a1d402ecf760ec92f3280ef6c09e76036854abacadcac9311706ed97d
          • MD5 SHA1 SHA512 SSDEEP

          memory/5004-43-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-1-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-3-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-5-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-4-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-7-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-6-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-8-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-9-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-10-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-11-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-12-0x00007FFAC1010000-0x00007FFAC1020000-memory.dmp

          memory/5004-13-0x00007FFAC1010000-0x00007FFAC1020000-memory.dmp

          memory/5004-26-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-27-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-30-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-2-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-37-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-40-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-41-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-44-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-42-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-0-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-45-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-46-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-47-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-48-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-49-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-50-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-51-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-52-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-53-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-54-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-55-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-56-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-58-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-59-0x000001EEDBAC0000-0x000001EEDCA90000-memory.dmp

          memory/5004-80-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-81-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-83-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-82-0x00007FFAC3530000-0x00007FFAC3540000-memory.dmp

          memory/5004-84-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-85-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp

          memory/5004-86-0x00007FFB034B0000-0x00007FFB036A5000-memory.dmp