Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 09:44

General

  • Target

    a8d70882b3b3ff024c06336db0309bc4.xls

  • Size

    135KB

  • MD5

    a8d70882b3b3ff024c06336db0309bc4

  • SHA1

    cc15626fe6613e0550a97f9cb574a65a5180816a

  • SHA256

    3f2c0b00d9380b4d4de3ac6ce7398aa7d807783652442d84be7c5fe6200ad063

  • SHA512

    279492184ff711a43e47b6b267e8ea9b59c82cae9f72a38c5d18bc6d4d4f005388b7041de74bdd699a4bb4958e2fdffa0cd21ec2353234f9041799354a800650

  • SSDEEP

    1536:Gt44n0o4g0hmVnLziCdymRxoiKTM4O+Ky2fsqITzrWCBE+Mvi2ytWVbrzQ7ITkaJ:4aziCQ8WVbrzQ7ITkZYrjhJtXwy1H

Score
6/10

Malware Config

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a8d70882b3b3ff024c06336db0309bc4.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4664
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:4588
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4664
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:4256
  • C:\Windows\System32\Upfc.exe
    C:\Windows\System32\Upfc.exe /launchtype periodic /cv Q6eVbV+mn0yF5CNER5Sw2g.0
    1⤵
      PID:1468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3252-17-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-3-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/3252-1-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-18-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-5-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-19-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-7-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/3252-6-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-8-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-9-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-10-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-11-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-12-0x00007FFA86740000-0x00007FFA86750000-memory.dmp

      Filesize

      64KB

    • memory/3252-13-0x00007FFA86740000-0x00007FFA86750000-memory.dmp

      Filesize

      64KB

    • memory/3252-14-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-15-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-55-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-2-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/3252-4-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/3252-20-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-16-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-21-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-23-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-22-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/3252-0-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/4588-40-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-41-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-48-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/4588-49-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/4588-51-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/4588-50-0x00007FFA88BD0000-0x00007FFA88BE0000-memory.dmp

      Filesize

      64KB

    • memory/4588-52-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-53-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-39-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-54-0x00007FFAC8B50000-0x00007FFAC8D45000-memory.dmp

      Filesize

      2.0MB