Analysis

  • max time kernel
    149s
  • 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
    28-02-2024 00:53

General

  • Target

    aa96389495cc5f553c6cb99cc65aa2dd.xls

  • Size

    36KB

  • MD5

    aa96389495cc5f553c6cb99cc65aa2dd

  • SHA1

    009279eb3e8b912318adaba6731c2c37355b4257

  • SHA256

    70a89f7a6edc643b75d777dea2bfffb248d83d4103f7c79ba1ed71614cb6e284

  • SHA512

    665dfc657b1f5a78b96ebedba5d453776ec718ed50a0b49bbebc955edf60d1a6a690574c7ce87a9567fbcda271b86f51ca8b6433676cb2411b303dc95c386682

  • SSDEEP

    768:/PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ2Yt1uYDme3/gN2qvzVE:3ok3hbdlylKsgqopeJBWhZFGkE+cL2NS

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\aa96389495cc5f553c6cb99cc65aa2dd.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\lgHjGk.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1288
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\lgHjGk.vbs"
      2⤵
        PID:4468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\lgHjGk.vbs

      Filesize

      563B

      MD5

      3ed513e92c2d89128c5638c999e366d2

      SHA1

      07828789668cc68d56b209f76e5588636e49ce4b

      SHA256

      68d568ea2965ff8888a17da09cb0eed76bb4f591a415eeb91f433c72c5fe011e

      SHA512

      3a42bb7a84f524555fbcf49643f8a47d5544f1155b61c0a946f6987ff6fd16b04f506ea96c36aa09922c2002e5348934ee631b335dd9ab2c1e2e32ea4a1d586e

    • memory/1296-13-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-3-0x00007FFD71A50000-0x00007FFD71A60000-memory.dmp

      Filesize

      64KB

    • memory/1296-11-0x00007FFD6F260000-0x00007FFD6F270000-memory.dmp

      Filesize

      64KB

    • memory/1296-15-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-5-0x00007FFD71A50000-0x00007FFD71A60000-memory.dmp

      Filesize

      64KB

    • memory/1296-8-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-7-0x00007FFD71A50000-0x00007FFD71A60000-memory.dmp

      Filesize

      64KB

    • memory/1296-6-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-9-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-10-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-12-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-0-0x00007FFD71A50000-0x00007FFD71A60000-memory.dmp

      Filesize

      64KB

    • memory/1296-32-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-4-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-1-0x00007FFD71A50000-0x00007FFD71A60000-memory.dmp

      Filesize

      64KB

    • memory/1296-17-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-18-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-16-0x00007FFD6F260000-0x00007FFD6F270000-memory.dmp

      Filesize

      64KB

    • memory/1296-19-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-20-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-21-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-22-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-2-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-30-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-31-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB

    • memory/1296-14-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp

      Filesize

      2.0MB